D-Link xStack DGS-3610 Series User manual

xStack DGS-3610 Series
Configuration Guide
Version 10.2

DGS-3610 Series Configuration Guide
Revision No.: Version 10.2
Date:
Copyright Statement
D-Link Corporation. ©2008
All rights reserved.
Without our written permission, this document may not be excerpted, reproduced, transmitted, or otherwise in all or in
part by any party in any means.

Preface
Version Description
This manual matches the firmware version v10.2.
Target Readers
This manual is intended for the following readers:
Network engineers
Technical salespersons
Network administrators
Conventions in this Document
1. Universal Format Convention
Arial: Arial with the point size 10 is used for the body.
A line is added respectively above and below the prompts such as caution and note to
separate them from the body.
Format of information displayed on the terminal: Courier New, point size 8, indicating the
screen output. User's entries among the information shall be indicated with characters in
bold.
2. Command Line Format Convention
Arial is used as the font for the command line. The meanings of specific formats are
described below:
Bold: Key words in the command line (which shall be entered exactly as they are displayed),
shall be indicated with characters in bold.
Italic: Parameters in the command line (which must be replaced with actual values), shall be
indicated with italic characters.
[ ]: The part enclosed with [ ] is optional in the command.
{ x | y | ... }: It means one shall be selected among two or more options.
[ x | y | ... ]: It means one or none shall be selected among two or more options.
//: A Line starting with a double slash "//" is a comment line.

3. Signs
Various striking identifiers are adopted in this manual to indicate the matters that special
attention should be paid in the operation, as detailed below:
Caution
Warning, danger or alert in the operation.
Note
Description, prompt, tip or any other necessary supplement or explanation
for the operation.
Note
1. The port types described in the examples in this manual may not be
consistent with the actual types. During actual operations, configuration
should be made according to the type of ports supported by various
products.
2. The display information in some examples in this manual may include
the content of other product series (such as the product model and
description). For the concrete display information, refer to actual device
information used.

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Contents
1Command Line Interface Configuration .............................................................................................. 2-1
1.1 Command Mode ........................................................................................................................2-1
1.2 Obtaining Help ...........................................................................................................................2-3
1.3 Abbreviating Commands ...........................................................................................................2-4
1.4 Using no and default Options ....................................................................................................2-4
1.5 Understanding CLI Prompt Messages.......................................................................................2-4
1.6 Using History Commands ..........................................................................................................2-5
1.7 Using Editing Features...............................................................................................................2-5
1.7.1 Edit Shortcut Keys .........................................................................................2-6
1.7.2 Sliding Window of Command Line.................................................................2-6
1.8 Filtration and Lookup of CLI Output Information........................................................................2-7
1.8.1 Lookup and Filtration of Show Command......................................................2-7
1.9 Using Command Alias................................................................................................................2-8
1.10 Accessing CLI ............................................................................................................................2-9
2Configuration of Switch Basic Management....................................................................................... 2-1
2.1 Overview ....................................................................................................................................2-1
2.2 Access Control by Command Authorization ..............................................................................2-1
2.2.1 Overview ........................................................................................................2-1
2.2.2 Default Password and Privilege Level Configuration.....................................2-2
2.2.3 Configuring or Changing Passwords of Different Levels ...............................2-2
2.2.4 Configuring Multiple Privilege Levels.............................................................2-2
2.2.5 Configuration of Command Authorization......................................................2-3
2.2.6 Example of Command Authorization configuration........................................2-3
2.2.7 Configuring Line Password Protection...........................................................2-4
2.2.8 Supporting Session Locking ..........................................................................2-4
2.3 Logon Authentication Control.....................................................................................................2-5
2.3.1 Overview ........................................................................................................2-5
2.3.2 Configuring Local Users.................................................................................2-5
2.3.3 Configuring Line Logon Authentication ..........................................................2-6
2.4 System Time Configuration........................................................................................................2-6
2.4.1 Overview ........................................................................................................2-6
2.4.2 Setting the System Time................................................................................2-6
2.4.3 Setting the System Time and Date ................................................................2-7
2.5 Scheduled Restart .....................................................................................................................2-7
2.5.1 Overview ........................................................................................................2-7
2.5.2 Specifying the System to Restart at a Specific Time .....................................2-8

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2.5.3 Specifying the System to Restart after a Period of Time ...............................2-9
2.5.4 Immediate Restart..........................................................................................2-9
2.5.5 Deleting the Configured Reload Scheme ......................................................2-9
2.6 System Name and Command Prompt.......................................................................................2-9
2.6.1 Overview ........................................................................................................2-9
2.6.2 Configuring a System Name........................................................................2-10
2.6.3 Configuring a Command Prompt .................................................................2-10
2.7 Banner Configuration...............................................................................................................2-10
2.7.1 Overview ......................................................................................................2-10
2.7.2 Configuring a Message-of-the-Day..............................................................2-11
2.7.3 Configuring a Login Banner .........................................................................2-11
2.7.4 Displaying a Banner.....................................................................................2-12
2.8 Viewing System Information ....................................................................................................2-12
2.8.1 Overview ......................................................................................................2-12
2.8.2 Viewing System Information and Version ....................................................2-13
2.8.3 Viewing Hardware Information.....................................................................2-13
2.9 Console Rate Setting...............................................................................................................2-13
2.9.1 Overview ......................................................................................................2-13
2.9.2 Setting Console Rate...................................................................................2-13
2.10 Using telnet on the Network Devices.......................................................................................2-14
2.10.1 Overview ......................................................................................................2-14
2.10.2 Using Telnet Client .......................................................................................2-15
2.11 Connection Timeout Setting.....................................................................................................2-15
2.11.1 Overview ......................................................................................................2-15
2.11.2 Connection Timeout.....................................................................................2-15
2.11.3 Session Timeout ..........................................................................................2-16
2.12 Process the command in the execution file in batch ...............................................................2-16
2.13 Setting of Service Switch .........................................................................................................2-17
3LINE Mode Configuration.................................................................................................................... 3-1
3.1 Overview ....................................................................................................................................3-1
3.2 LINE Mode Configuration ..........................................................................................................3-1
3.2.1 Enter the LINE mode .....................................................................................3-1
3.2.2 Increase/decrease LINE VTY quantity...........................................................3-1
3.2.3 Configure the allowed communication protocol in LINE ................................3-2
3.2.4 Configure the access control list in Line ........................................................3-2
4Configuration of System Upgrade and Maintenance.......................................................................... 4-1
4.1 Overview ....................................................................................................................................4-1
4.2 Upgrade and Maintenance Method ...........................................................................................4-1

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4.2.1 Transferring Files by Using the TFTP Protocol..............................................4-1
4.2.2 Transferring Files by Using the XMODEM Protocol ......................................4-2
4.2.3 Upgrade the System ......................................................................................4-4
5Network Communication Detection Tools ........................................................................................... 5-1
5.1 Ping Connectivity Test................................................................................................................5-1
5.2 Traceroute Connectivity Test .....................................................................................................5-2
6Configuring Interfaces......................................................................................................................... 6-1
6.1 Overview of Interface Types ......................................................................................................6-1
6.1.1 L2 Interfaces ..................................................................................................6-1
6.1.2 L3 Interfaces ..................................................................................................6-3
6.2 Configuring Interfaces................................................................................................................6-5
6.2.1 Numbering Rules for Interfaces .....................................................................6-5
6.2.2 Using Interface Configuration Commands.....................................................6-6
6.2.3 Using the interface range Command.............................................................6-6
6.2.4 Selecting Interface Medium Type...................................................................6-8
6.2.5 Setting Description and Management Status of the Interface .......................6-9
6.2.6 Setting Speed, Duplexing, and Flow Control for Interfaces.........................6-10
6.2.7 Configuring MTU of the Interface.................................................................6-10
6.2.8 Configuring L2 Interfaces.............................................................................6-11
6.2.9 Configuring L3 Interfaces.............................................................................6-14
6.3 Showing Interface Configuration and Status............................................................................6-17
6.4 LinkTrap Policy Configuration..................................................................................................6-19
6.4.1 Configuring Command.................................................................................6-19
6.4.2 Configuration Example.................................................................................6-19
7Aggregate Port Configuration ............................................................................................................. 7-1
7.1 Overview ....................................................................................................................................7-1
7.1.1 Understanding Aggregate Port.......................................................................7-1
7.1.2 Understanding Traffic Balancing ....................................................................7-1
7.2 Configuring Aggregate Port .......................................................................................................7-3
7.2.1 Default Configurations of Aggregate Port ......................................................7-3
7.2.2 Configuration Guide for Aggregate Port.........................................................7-3
7.2.3 Configuring Aggregate Port............................................................................7-4
7.2.4 Configuring Layer-3 Aggregate Port ..............................................................7-4
7.2.5 Configuring Traffic Balancing of Aggregate Port............................................7-5
7.3 Showing Aggregate Port ............................................................................................................7-6
8VLAN Configuration ............................................................................................................................ 8-1
8.1 Overview ....................................................................................................................................8-1

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8.1.2 Supported VLAN ............................................................................................8-2
8.1.3 VLAN Member Type.......................................................................................8-2
8.2 Configuring VLAN ......................................................................................................................8-2
8.2.1 Saving the VLAN Configuration Information..................................................8-2
8.2.2 Default VLAN Configuration...........................................................................8-3
8.2.3 Creating/Modifying a VLAN............................................................................8-3
8.2.4 Deleting a VLAN ............................................................................................8-3
8.2.5 Assigning Access Ports to the VLAN .............................................................8-3
8.3 Configuring VLAN Trunks ..........................................................................................................8-4
8.3.1 Trunking Overview .........................................................................................8-4
8.3.2 Configuring a Trunk Port................................................................................8-6
8.3.3 Defining the Allowed VLAN List of a Trunk Port.............................................8-6
8.3.4Configure Native VLAN..................................................................................8-7
8.4 Showing VLAN...........................................................................................................................8-7
9Super VLAN Configuration.................................................................................................................. 9-1
9.1 Overview ....................................................................................................................................9-1
9.2 Configuring Super VLAN ...........................................................................................................9-2
9.3 Configuring Sub VLAN of Super VLAN......................................................................................9-3
9.4 Setting Address Range of Sub VLAN ........................................................................................9-3
9.5 Setting Virtual Interface for Super VLAN ...................................................................................9-4
9.6 Setting Agent ARP Function for VLAN.......................................................................................9-4
9.7 Showing Super VLAN Setting....................................................................................................9-5
9.8 Configuration Example...............................................................................................................9-5
10 Protocol VLAN Configuration............................................................................................................ 10-1
10.1 Protocol VLAN Technology ......................................................................................................10-1
10.2 Configuring Protocol VLAN......................................................................................................10-2
10.2.1 Default Protocol VLAN .................................................................................10-2
10.2.2 Configuring IP address-based VLAN Classification.....................................10-2
10.2.3 Configuring the Profile of Packet Type and Ethernet Type..........................10-3
10.2.4 Applying Profile ............................................................................................10-3
10.3 Showing Protocol VLAN...........................................................................................................10-4
11 Private VLAN Configuration ...............................................................................................................11-1
11.1 Private VLAN Technology ........................................................................................................11-1
11.2 Private VLAN Configuration.....................................................................................................11-2
11.2.1 Default Private VLAN Setting.......................................................................11-2
11.2.2 Configuring VLAN as a Private VLAN..........................................................11-2
11.2.3 Associating Secondary VLAN with Primary VLAN.......................................11-3

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11.2.4 Mapping Layer 3 Interfaces of Secondary VLAN and Primary VLAN..........11-4
11.2.5 Configuring Layer 2 Interface as Host Port of Private VLAN.......................11-4
11.2.6 Configuring Layer 2 Interface as Promiscuous Port of Private VLAN .........11-5
11.3 Private VLAN Showing.............................................................................................................11-6
11.3.1 Showing private VLAN.................................................................................11-6
12 802.1Q Tunneling.............................................................................................................................. 12-1
12.1 Understanding 802.1Q Tunneling ............................................................................................12-1
12.2 Configuring 802.1Q tunneling ..................................................................................................12-3
12.2.1 Default Configurations of the 802.1Q Tunneling..........................................12-3
12.2.2 802.1Q Tunneling Configuration Guide .......................................................12-3
12.2.3 Restriction of 802.1Q Tunneling Configuration............................................12-4
12.2.4 Configuring an 802.1Q Tunneling Port ........................................................12-4
12.2.5 Configuring an Uplink Port...........................................................................12-5
12.2.6 Configuring TPID Value in Vendor Tag ........................................................12-5
12.2.7 Configuring Priority Duplication of User Tag................................................12-6
13 MAC Address Configuration.............................................................................................................. 13-1
13.1 Managing the MAC Address Table ..........................................................................................13-1
13.1.1 Overview ......................................................................................................13-1
13.1.2 Configuring MAC Address............................................................................13-2
13.1.3 Viewing MAC Addresses Information...........................................................13-5
13.2 The Changing Notification of the MAC Address ......................................................................13-6
13.2.1 Overview ......................................................................................................13-6
13.2.2 Configuring MAC Address Changing Notification Function .........................13-7
13.2.3 Viewing the InformationMAC Address change Notification..........................13-8
13.3 IP and MAC Address Binding ..................................................................................................13-9
13.3.1 Overview ......................................................................................................13-9
13.3.2 Configuring Address Binding........................................................................13-9
13.3.3 Viewing the Address Binding Table..............................................................13-9
13.3.4 Configuring the Exceptional Ports for Address Binding .............................13-10
13.3.5 Viewing Exceptional Ports for Address Binding .........................................13-10
14 DHCP Snooping Configuration ......................................................................................................... 14-1
14.1 DHCP Snooping Overview.......................................................................................................14-1
14.1.1 Understanding DHCP ..................................................................................14-1
14.1.2 Understanding DHCP Snooping ..................................................................14-2
14.1.3 Understanding DHCP Snooping information option ....................................14-2
14.1.4 Related Security Functions of DHCP snooping ...........................................14-3
14.1.5 Understanding Address Binding Function of DHCP Snooping ....................14-4

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14.1.6 Relationship between DHCP Snooping and ARP Detectation.....................14-4
14.1.7 Other Precautions on DHCP Snooping Configuration.................................14-4
14.2 DHCP Snooping Configuration ................................................................................................14-5
14.2.1 Configuration of Enabling and Disabling DHCP Snooping ..........................14-5
14.2.2 Configuring DHCP Source MAC Check Function........................................14-5
14.2.3 Configuring Static DHCP Snooping User.....................................................14-5
14.2.4 Configuring Static DHCP Snooping Information Option...............................14-6
14.2.5 Configuring Static Address Binding of DHCP snooping...............................14-6
14.2.6 Schedule Writing of DHCP Snooping Database Information to flash ..........14-7
14.2.7 Writing DHCP Snooping Database Information to Flash Manually .............14-8
14.2.8 Configuring Port as TRUST Port..................................................................14-8
14.2.9 Clearing Dynamic User Information from DHCP Snooping Database.........14-8
14.3 Showing DHCP Snooping Configuration .................................................................................14-9
14.3.1 Showing DHCP snooping ............................................................................14-9
14.3.2 Showing DHCP Snooping Database Information ........................................14-9
15 IGMP Snooping Configuration .......................................................................................................... 15-1
15.1 Overview ..................................................................................................................................15-1
15.1.1 Understanding IGMP ...................................................................................15-1
15.1.2 Understanding IGMP Snooping ...................................................................15-4
15.1.3 Understanding Router Interface...................................................................15-4
15.1.4 Understanding Operation Modes of IGMP Snooping ..................................15-7
15.1.5 Understanding Source Port Check ..............................................................15-8
15.1.6 Understanding fast-leave.............................................................................15-8
15.1.7 Understanding IGMP Snooping Suppression ..............................................15-8
15.1.8 Typical Application .......................................................................................15-8
15.2 Configuring IGMP Snooping ....................................................................................................15-9
15.2.1 IGMP Snooping Default .............................................................................15-10
15.2.2 Configuring IGMP Profiles .........................................................................15-10
15.2.3 Configuring Router Interface......................................................................15-11
15.2.4 Configuring the Range of Multicast Frame Forwarded by Router Interface15-12
15.2.5 Configuring the Aging Time of the Route Interface in Dynamic Learning..15-13
15.2.6 Configuring IVGL Mode..............................................................................15-13
15.2.7 Configuring SVGL Mode ............................................................................15-14
15.2.8 Configuring Coexistence Mode of IVGL and SVGL...................................15-14
15.2.9 Configuring DISABLE Mode ......................................................................15-15
15.2.10 Configuring Maximum Response Time of Query Message .......................15-15
15.2.11 Configuring Source Port Check .................................................................15-15
15.2.12 Configuring Source IP Check.....................................................................15-16

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15.2.13 Configuring Fast-Leave..............................................................................15-16
15.2.14 Configuring IGMP Snooping Suppression .................................................15-17
15.2.15 Configuring Static Members of IGMP Snooping ........................................15-17
15.2.16 Configuration IGMP Filtering......................................................................15-18
15.3 Viewing IGMP Snooping Information.....................................................................................15-18
15.3.1 Viewing Current Mode ...............................................................................15-19
15.3.2 Viewing and Clearing IGMP snooping Statistics........................................15-19
15.3.3 View Router Interface Information .............................................................15-19
15.3.4 Viewing Dynamic Forwarding Table...........................................................15-20
15.3.5 Viewing Source Port Check Status ............................................................15-20
15.3.6 Viewing IGMP Profile .................................................................................15-21
15.3.7 Viewing IGMP Filtering...............................................................................15-21
15.3.8 Configuring Other Restrictions of IGMP Snooping ....................................15-21
16 PIM Snooping Configuration............................................................................................................. 16-1
16.1 Understanding PIM Snooping Principle...................................................................................16-1
16.2 Configuration of PIM Snooping by Default...............................................................................16-2
16.3 Guiding and Limiting PIM Snooping Configuration..................................................................16-2
16.4 Configuring PIM Snooping.......................................................................................................16-2
16.4.1 Enable PIM Snooping Globally ....................................................................16-3
16.4.2 Enable PIM Snooping on SVI ......................................................................16-3
17 MSTP Configuration.......................................................................................................................... 17-1
17.1 MSTP Overview.......................................................................................................................17-1
17.1.1 STP and RSTP.............................................................................................17-1
17.1.2 MSTP Overview .........................................................................................17-10
17.2 Overview of Optional Features of MSTP ...............................................................................17-16
17.2.1 Understanding Port Fast ............................................................................17-16
17.2.2 Understanding BPDU Guard......................................................................17-17
17.2.3 Understanding BPDU Filter........................................................................17-17
17.2.4 Understanding Tc-protection......................................................................17-17
17.2.5 Understanding TC Guard...........................................................................17-18
17.2.6 Understanding BPDU Source MAC Check................................................17-18
17.2.7 Understanding Illegal Length Filtering for BPDU .......................................17-18
17.2.8 Understanding Automatic Identification of Edge Ports...............................17-18
17.3 Configuring MSTP..................................................................................................................17-19
17.3.1 Default Configuration of Spanning Tree.....................................................17-19
17.3.2 Enable and Disable Spanning Tree Protocol .............................................17-20
17.3.3 Configuring Mode of Spanning Tree ..........................................................17-20
17.3.4 Configuring Switch Priority.........................................................................17-21

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17.3.5 Configuring Port Priority.............................................................................17-21
17.3.6 Configuring Path Cost of the Port ..............................................................17-22
17.3.7 Configuring Default Calculation Method of Path Cost (path cost method) 17-23
17.3.8 Configuring Hello Time...............................................................................17-24
17.3.9 Configuring Forward-Delay Time ...............................................................17-24
17.3.10 Configuring Max-Age Time ........................................................................17-25
17.3.11 Configuring Tx-Hold-Count ........................................................................17-25
17.3.12 Configuring Link-type.................................................................................17-26
17.3.13 Configuring Protocol Migration Processing................................................17-27
17.3.14 Configuring MSTP Region .........................................................................17-27
17.3.15 Configuring Maximum-Hop Count..............................................................17-28
17.4 Configuring Optional Features of MSTP................................................................................17-29
17.4.1 Default Setting of Optional Features for Spanning Tree ............................17-29
17.4.2 Enabling Port Fast .....................................................................................17-29
17.4.3 Enabling BPDU Guard...............................................................................17-30
17.4.4 Enabling BPDU Filter.................................................................................17-30
17.4.5 Enabling Tc_Protection ..............................................................................17-31
17.4.6 Enabling TC Guard ....................................................................................17-31
17.4.7 Enabling the BPDU source MAC check.....................................................17-32
17.4.8 Disabling the Automatic Identification of Edge Ports .................................17-33
17.5 Showing MSTP Configuration and Status..............................................................................17-33
18 SPAN Configuration .......................................................................................................................... 18-1
18.1 Overview ..................................................................................................................................18-1
18.1.1 Understanding SPAN ...................................................................................18-1
18.1.2 Precautions ..................................................................................................18-1
18.2 SPAN Concepts and Terms .....................................................................................................18-2
18.2.1 SPAN Session..............................................................................................18-2
18.2.2 Frame Type..................................................................................................18-2
18.2.3 Source Port ..................................................................................................18-3
18.2.4 Destination Port ...........................................................................................18-3
18.2.5 SPAN Traffic.................................................................................................18-3
18.2.6 Interfaces between the SPAN and Other Functions ....................................18-3
18.2.7 Configuring SPAN ........................................................................................18-3
18.2.8 SPAN Configuration Guide ..........................................................................18-4
18.2.9 Creating a SPAN Session and Specifying the Monitoring Port and Monitored
Port18-4
18.2.10 Deleting a Port from the SPAN Session.......................................................18-5
18.3 Showing the SPAN Status........................................................................................................18-6

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19 IP Address and Service Configuration .............................................................................................. 19-1
19.1 IP Addressing Configuration ....................................................................................................19-1
19.1.1 IP Address Overview....................................................................................19-1
19.1.2 IP Address Configuration Task List ..............................................................19-3
19.1.3 Monitoring and Maintaining IP Address .......................................................19-8
19.1.4 IP Addressing Configuration Examples........................................................19-9
19.2 IP Service Configuration ........................................................................................................19-11
19.2.1 IP Services Configuration Task List ...........................................................19-11
19.2.2 IP ConnectionsManagement......................................................................19-11
20 DHCP Configuration.......................................................................................................................... 20-1
20.1 Introduction to DHCP...............................................................................................................20-1
20.2 Introduction to DHCP Server ...................................................................................................20-1
20.3 Introduction to DHCP Client.....................................................................................................20-3
20.4 Introduction to DHCP Relay Agent ..........................................................................................20-3
20.5 Configuring DHCP ...................................................................................................................20-3
20.5.1 Enabling DHCP Server and Relay Agent.....................................................20-4
20.5.2 Configuring DHCP Excluded Addresses......................................................20-4
20.5.3 Configuration of DHCP Address Pool ..........................................................20-4
20.5.4 Configuring Address Pool Name and Enter Its Configuration Mode............20-5
20.5.5 Configuring Client Boot File .........................................................................20-5
20.5.6 Configuring Default Gateway for Client .......................................................20-6
20.5.7 Configuring Address Lease Period ..............................................................20-6
20.5.8 Configuring Domain Name of Client ............................................................20-6
20.5.9 Configuring Domain Name Server...............................................................20-7
20.5.10 Configuring NetBIOS WINS Server .............................................................20-7
20.5.11 Configuring NetBIOS Node Type for Client .................................................20-7
20.5.12 Configuring Network Number and Mask for DHCP Address Pool ...............20-8
20.5.13 Binding Address Manually............................................................................20-8
20.5.14 Configuring Number of Packet Ping ............................................................20-9
20.5.15 Configuring Packet Ping Timeout ..............................................................20-10
20.5.16 Configuring DHCP Client over Ethernet Interface .....................................20-10
20.5.17 Configuring DHCP Client on PPP Encapsulated Link ...............................20-10
20.5.18 Configuring DHCP Client on FR Encapsulated Link..................................20-10
20.5.19 Configuring DHCP Client on HDLC Encapsulated Link.............................20-11
20.6 Monitoring and Maintaining Information.................................................................................20-11
20.6.1 Monitoring and Maintaining DHCP Server.................................................20-11
20.6.2 Monitoring and Maintaining DHCP Client ..................................................20-12
20.7 Configuration Examples.........................................................................................................20-12

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20.7.1 Address Pool Configuration Example........................................................20-12
20.7.2 Manual Binding Configuration....................................................................20-13
20.7.3 DHCP Client Configuration ........................................................................20-13
21 DHCP Relay Configuration ............................................................................................................... 21-1
21.1 Overview ..................................................................................................................................21-1
21.1.1 Understanding DHCP ..................................................................................21-1
21.1.2 Understanding DHCP Relay Agent ..............................................................21-1
21.1.3 Understanding DHCP Relay Agent Information(option 82)..........................21-2
21.1.4 Understanding DHCP relay Check Server-id Function................................21-3
21.2 Configuring DHCP ...................................................................................................................21-3
21.2.1 Configuring DHCP Relay Agent...................................................................21-3
21.2.2 Configuring the DHCP Server IP Address ...................................................21-4
21.2.3 Configuring DHCP option dot1x...................................................................21-4
21.2.4 Configuring DHCP option dot1x access-group............................................21-5
21.2.5 Configuring DHCP option 82........................................................................21-6
21.2.6 Configuring DHCP relay check server-id.....................................................21-6
21.2.7 Configuring DHCP relay suppression ..........................................................21-7
21.2.8 DHCP Configuration Example .....................................................................21-7
21.3 Other Precautions on DHCP Relay Configuration...................................................................21-7
21.3.1 Precautions on DHCP option dot1x Configuration.......................................21-8
21.3.2 Precautions on DHCP option82 Configuration ............................................21-8
21.4 Showing DHCP Configuration .................................................................................................21-8
22 DNS Configuration ............................................................................................................................ 22-1
22.1 DNS Overview .........................................................................................................................22-1
22.2 Configuring Domain Name Resolution ....................................................................................22-1
22.2.1 Default Configuration of DNS.......................................................................22-1
22.2.2 Enabling DNS Resolution Service ...............................................................22-2
22.2.3 Configuring DNS Server ..............................................................................22-2
22.2.4 Configuring Mapping between Host Name and IP Address Statically .........22-2
22.2.5 Clearing Cache Table of Dynamic Host Names...........................................22-3
22.2.6 Showing Domain Name Resolution Information..........................................22-3
22.2.7 Application examples...................................................................................22-3
23 NTP Configuration............................................................................................................................. 23-1
23.1 Unerstanding NTP ...................................................................................................................23-1
23.2 Configuring NTP ......................................................................................................................23-1
23.2.1 Configuring Global Security Authentication Mechanism for the NTP ..........23-2
23.2.2 Configuring Global Authentication Key for the NTP.....................................23-2

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23.2.3 Configuring Global Trusted Key ID for the NTP...........................................23-3
23.2.4 Configuring NTP Server...............................................................................23-3
23.2.5 Disabling receiving NTP Packets on the Interface.......................................23-4
23.2.6 Enabling/Disabling NTP Function ................................................................23-5
23.2.7 Configuring Real Time Synchronization for NTP .........................................23-5
23.3 Display of NTP Information......................................................................................................23-6
23.3.1 Debugging the NTP .....................................................................................23-6
23.3.2 Showing NTP Information ............................................................................23-6
23.4 Configuration Examples...........................................................................................................23-6
24 UDP-Helper Configuration ................................................................................................................ 24-1
24.1 UDP-Helper Configuration .......................................................................................................24-1
24.1.1 UDP-Helper Overview..................................................................................24-1
24.2 Configuring UDP-Helper ..........................................................................................................24-1
24.2.1 Default Configuration of UDP-Helper...........................................................24-1
24.2.2 Enable the Function of Relay and Forwarding for UDP-Helper...................24-2
24.2.3 Configuring Destination Server for Relay and Forward ...............................24-2
24.2.4 Configuring UDP Port Requiring Relay and Forwarding..............................24-3
25 SNMP Configuration ......................................................................................................................... 25-1
25.1 SNMP Related Information ......................................................................................................25-1
25.1.1 Overview ......................................................................................................25-1
25.1.2 SNMP Protocol Versions..............................................................................25-3
25.1.3 SNMP Management Operations..................................................................25-3
25.1.4 SNMP Security.............................................................................................25-4
25.1.5 SNMP Engine ID..........................................................................................25-5
25.2 SNMP Configuration ................................................................................................................25-6
25.2.1 Setting the Community String and Access Authority....................................25-6
25.2.2 Configuring MIB Views and Groups.............................................................25-7
25.2.3 Configuring SNMP Users.............................................................................25-7
25.2.4 Configuring SNMP Host Address.................................................................25-8
25.2.5 Configuring SNMP Agent Parameters .........................................................25-8
25.2.6 Defining Maximum Packet Length of SNMP Agent .....................................25-8
25.2.7 Shielding SNMP Agent.................................................................................25-9
25.2.8 Disable SNMP Agent ...................................................................................25-9
25.2.9 Configuring Agent to Send Trap to NMS Initiatively.....................................25-9
25.2.10 Configuration of Link Trap Policy .................................................................25-9
25.2.11 Configuring Message Sending Operation Parameters ..............................25-10
25.3 SNMP Monitoring and Maintenance......................................................................................25-10
25.3.1 Checking Current SNMP Status.................................................................25-10

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25.3.2 Checking MIB Objects Supported by Current SNMP Agent ......................25-11
25.3.3 Viewing SNMP User...................................................................................25-13
25.3.4 Viewing SNMP View and Group ................................................................25-13
25.4 SNMP Configuration Example ...............................................................................................25-13
25.4.2 Example of SNMP Access List Association Control...................................25-16
25.4.3 SNMPv3 Related Configuration Examples ................................................25-16
26 Configuration of RMON..................................................................................................................... 26-1
26.1 Overview ..................................................................................................................................26-1
26.1.1 Statistics.......................................................................................................26-1
26.1.2 History..........................................................................................................26-1
26.1.3 Alarm............................................................................................................26-2
26.1.4 Event............................................................................................................26-2
26.2 List of RMON Configuration Tasks...........................................................................................26-2
26.2.1 Configuring Statistics ...................................................................................26-2
26.2.2 Configuring History Control..........................................................................26-2
26.2.3 Configuring Alarm and Event .......................................................................26-3
26.2.4 Showing RMON status.................................................................................26-4
26.3 RMON Configuration Examples...............................................................................................26-4
26.3.1 Example of Configuring Statistics ................................................................26-4
26.3.2 Example of Configuring History ...................................................................26-4
26.3.3 Example of Configuring Alarm and Event....................................................26-4
26.3.4 Example of Showing rmon Status................................................................26-5
27 RIP Routing Protocol Configuration .................................................................................................. 27-1
27.1 RIP Overview ...........................................................................................................................27-1
27.2 RIP Configuration Task List......................................................................................................27-2
27.2.1 Create the RIP routing process....................................................................27-2
27.2.2 Configuration of Packet Unicast for the RIP ................................................27-3
27.2.3 Configuration of Split Horizon ......................................................................27-3
27.2.4 Defining the RIP Version..............................................................................27-4
27.2.5 Disable automatic route summary ...............................................................27-5
27.2.6 Configuring RIP Authentication....................................................................27-5
27.2.7 Adjusting the RIP Timer ...............................................................................27-6
27.2.8 Configuring the RIP Route Source Address Validation................................27-7
27.2.9 Control of RIP interface status .....................................................................27-7
27.3 RIP Configuration Examples....................................................................................................27-8
27.3.1 Example of Configuring Split Horizon ..........................................................27-8
27.3.2 Example of Configuring RIP Authentication...............................................27-11
27.3.3 Example of Configuring Packet Unicast for the RIP ..................................27-12

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28 OSPF Routing Protocol Configuration .............................................................................................. 28-1
28.1 OSPF Overview .......................................................................................................................28-1
28.2 OSPF Configuration Task List..................................................................................................28-3
28.2.1 Creating the OSPF Routing Process ...........................................................28-5
28.2.2 Configuring the OSPF Interface Parameters...............................................28-6
28.2.3 Configuring the OSPF to Accommodate Different Physical Networks.........28-7
28.2.4 Configuring the OSPF Area Parameters....................................................28-11
28.2.5 Configuring OSPF NSSA...........................................................................28-12
28.2.6 Configuring the Route Summary between OSPF Areas............................28-13
28.2.7 Configuring Route Summary When Routes Are Injected to the OSPF .....28-14
28.2.8 Creating the Virtual Connections ...............................................................28-14
28.2.9 Creating the Default Routes.......................................................................28-15
28.2.10 Using the Loopback address as the route ID.............................................28-16
28.2.11 Changing the OSPF Default Management Distance .................................28-16
28.2.12 Configuring the Route Calculation Timer...................................................28-17
28.2.13 Changing LSAs Group Pacing...................................................................28-17
28.2.14 Configuring Route Selection ......................................................................28-18
28.2.15 Configuring whether to check the MTU value when the interface receives the
database description packets...........................................................................................28-19
28.2.16 Configuring to prohibit an interface from sending the OSPF interface
parameters 28-19
28.2.17 OSPF TRAP Sending Configuration..........................................................28-20
28.3 Monitoring and Maintaining OSPF.........................................................................................28-20
28.4 OSPF Configuration Examples..............................................................................................28-24
28.4.1 Example of configuring the OSPF NBMA network type.............................28-25
28.4.2 Example of configuring the OSPF point-to-multipoint board network type28-26
28.4.3 Example of configuring OSPF authentication............................................28-28
28.4.4 Example of configuring route summary .....................................................28-29
28.4.5 OSPF ABR, ASBR Configuration Examples..............................................28-31
28.4.6 Example of configuring OSPF stub area ...................................................28-33
28.4.7 Example of configuring OSPF virtual connection ......................................28-35
29 BGP Configuration ............................................................................................................................ 29-1
29.1 Operating BGP Protocol ..........................................................................................................29-2
29.2 Default Configuration of BGP ..................................................................................................29-2
29.3 Inject Route Information to BGP Protocol................................................................................29-3
29.4 Configuring BGP Peer (Group) and Its Parameters ................................................................29-5
29.5 Configuring Management Policy for BGP................................................................................29-9
29.6 Configuring Synchronization between BGP and IGP ............................................................29-10

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29.7 Configuring Interaction between BGP and IGP .....................................................................29-11
29.8 Configuration Timer of BGP...................................................................................................29-11
29.9 Configuring Path Attribute for BGP ........................................................................................29-12
29.9.1 AS_PATH Attribute Related Configuration.................................................29-12
29.9.2 NEXT_HOP Attribute Related Configuration .............................................29-13
29.9.3 MULTI_EXIT_DISC Attribute Related Configuration..................................29-14
29.9.4 LOCAL_PREF Attribute Related Configuration .........................................29-15
29.9.5 COMMUNITY Attribute Related Configuration...........................................29-15
29.9.6 Other Related Configuration ......................................................................29-17
29.10 Selection of Optimal Path for BGP ........................................................................................29-17
29.11 Configuring Route Aggregate for BGP...................................................................................29-18
29.12 Configuring Route Reflector for BGP.....................................................................................29-18
29.13 Configuring Route Dampening for BGP.................................................................................29-20
29.14 Configuring AS Confederation for BGP .................................................................................29-21
29.15 Configuring Management Distance for BGP..........................................................................29-22
29.16 Monitoring of BGP..................................................................................................................29-23
29.17 Protocol Independent Configuration ......................................................................................29-24
29.17.1 route-map Configuration ............................................................................29-24
29.17.2 Regular Expression Configuration .............................................................29-24
29.18 BGP Configuration Examples ................................................................................................29-25
29.18.1 Configuring BGP Neighbor ........................................................................29-25
29.18.2 Configuring BGP Synchronization .............................................................29-26
29.18.3 Configuring Neighbors to Use aspath Filter...............................................29-27
29.18.4 Configuring Aggregate Route.....................................................................29-28
29.18.5 Configuring Confederation.........................................................................29-29
29.18.6 Configuring Route Reflector.......................................................................29-31
29.18.7 Configuring peergroup ...............................................................................29-33
29.18.8 Configuring TCP MD5 Code ......................................................................29-36
30 Protocol-Independent Configuration ................................................................................................. 30-1
30.1 IP Route Configuration.............................................................................................................30-1
30.1.1 Configuring Static Routes ............................................................................30-1
30.1.2 Configuring Default Routes..........................................................................30-2
30.1.3 Configuring the Number of Equivalent Routes ............................................30-3
30.2 Route Redistribution ................................................................................................................30-3
30.2.1 Configuring Route Redistribution.................................................................30-3
30.2.2 Configuration of Route Filtering ...................................................................30-6
30.2.3 Configuration Examples:..............................................................................30-8
30.3 Configuring Switch Fast Forwarding ECMP/WCMP Policy ...................................................30-11

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30.3.1 Selecting Hash Keyword............................................................................30-11
30.3.2 Selecting the Hash Algorithm.....................................................................30-12
30.3.3 Configuration Commands ..........................................................................30-12
30.3.4 Configuration Examples.............................................................................30-12
31 Policy-Based Routing Configuration ................................................................................................. 31-1
32 IPv6 Configuration ............................................................................................................................ 32-1
32.1 IPv6 Related Information .........................................................................................................32-1
32.1.1 IPv6 Address Format ...................................................................................32-3
32.1.2 Type of IPv6 Address...................................................................................32-4
32.1.3 IPv6 Packet Header Structure......................................................................32-9
32.1.4 IPv6 MTU Discovery ..................................................................................32-10
32.1.5 IPv6 Neighbor Discovery ...........................................................................32-11
32.2 IPv6 Configuration .................................................................................................................32-13
32.2.1 Configuring IPv6 Address ..........................................................................32-13
32.2.2 Configuring Redirection Function for ICMPv6 ...........................................32-15
32.2.3 Configuring Static Neighbor .......................................................................32-16
32.2.4 Configuring Address Conflict Detection .....................................................32-17
32.2.5 Configuring Other Interface Parameters of Routers ..................................32-18
32.3 IPv6 Monitoring and Maintenance .........................................................................................32-19
33 IPV6 Tunnel Configuration................................................................................................................ 33-1
33.1 Overview ..................................................................................................................................33-1
33.1.2 IPv6 Manually Configured Tunnel................................................................33-2
33.1.3 Automatic 6to4 Tunnel .................................................................................33-2
33.1.4 ISATAP Tunnel .............................................................................................33-4
33.2 IPv6 Tunnel Configuration .......................................................................................................33-5
33.2.1 Configuring Manual IPv6 Tunnels................................................................33-5
33.2.2 Configuring 6to4 Tunnel...............................................................................33-6
33.2.3 Configuring ISATAP Tunnel..........................................................................33-7
33.3 Verifying IPv6 Tunnel Configuration and Monitoring................................................................33-9
33.4 IPv6 Tunnel Configuration Instances.....................................................................................33-11
33.4.1 Manual IPv6 Tunnel Configuration Instance ..............................................33-11
33.4.2 6to4 Tunnel Configuration Instance ...........................................................33-13
33.4.3 ISATAP Tunnel Configuration Instance......................................................33-15
33.4.4 Configuration Instance for Composite Application of ISATAP and 6to4 Tunnels33-16
34 OSPFv3 Configuration ...................................................................................................................... 34-1
34.1 OSPFv3 Protocol Overview .....................................................................................................34-1
34.1.1 LSA Association Change..............................................................................34-1

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34.1.2 Interface Configuration.................................................................................34-3
34.1.3 Router ID Configuration ...............................................................................34-3
34.1.4 Authentication Mechanism Setting ..............................................................34-4
34.2 OSPFv3 Basic Configuration ...................................................................................................34-4
34.3 Configuring OSPFv3 Interface Parameters .............................................................................34-6
34.4 Configuring OSPFv3 Area Parameters....................................................................................34-8
34.4.1 Configuring OSPFv3 Virtual Connection .....................................................34-9
34.5 Configuring OSPFv3 Route Information Convergence..........................................................34-10
34.5.1 Configuring Inter-Area Convergence .........................................................34-10
34.6 Configuring Bandwidth Reference Value of OSPFv3 Interface Measurement ......................34-10
34.7 Configuring OSPFv3 Timer....................................................................................................34-11
34.7.1 Configuring OSPFv3 Route Redistribution ................................................34-11
34.7.2 Configuring OSPFv3 Passive Interface .....................................................34-12
34.8 OSPFv3 Debug and Monitoring.............................................................................................34-12
34.8.1 OSPFv3 Debug Command ........................................................................34-13
34.8.2 OSPFv3 Monitoring Command..................................................................34-13
35 IP Multicast Routing Configuration.................................................................................................... 35-1
35.1 Overview ..................................................................................................................................35-1
35.1.1 IP Multicast Routing Implementation ...........................................................35-1
35.1.2 IGMP Overview............................................................................................35-2
35.1.3 PIM-DM Overview........................................................................................35-6
35.2 PIM-SM Overview....................................................................................................................35-7
35.3 Basic Configuration of the Multicast Routing.........................................................................35-10
35.4 Enabling Multicast Routing Forwarding .................................................................................35-10
35.5 Enabling IP Multicast Routing Protocol..................................................................................35-10
35.5.1 Enabling IGMP...........................................................................................35-11
35.6 Advanced Multicast Routing Configuration............................................................................35-11
35.6.1 Configuring Multicast Routing Characteristics...........................................35-11
35.6.2 Configuring IGMP ......................................................................................35-13
35.6.3 Configuring Query Count of the Last Member...........................................35-15
35.6.4 Configuring Query Interval of the Last Member.........................................35-15
35.6.5 Configuring Query Interval of the General Member...................................35-15
35.6.6 Configuring the Maximum Response Interval............................................35-16
35.6.7 Configuring the Timeout Interval of the Other Queriers.............................35-16
35.6.8 Configuring the IGMP Group Member Quantity Limit................................35-16
35.6.9 Configuring Immediate Group Leaving ......................................................35-18
35.6.10 Configuring IGMP PROXY - SERVER.......................................................35-18
35.6.11 Configuring IGMP MROUTE - PROXY......................................................35-19