ASUSTeK COMPUTER GigaX3112 Series User manual

GigaX3112 Series
User Manual
Layer 3 Managed Switch

E2460
Second Edition V2
February 2006
Copyright © 2006 ASUSTeK COMPUTER INC. All Rights Reserved. No part
of this manual, including the products and software described in it, may be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated
into any language in any form or by any means, except documentation kept by
the purchaser for backup purposes, without the express written permission of
ASUSTeK COMPUTER INC. (ASUS).
Product warranty or service will not be extended if: (1) the product is repaired,
modified or altered, unless such repair, modification of alteration is authorized in
writing by ASUS; or (2) the serial number of the product is defaced or missing.
ASUS provides this manual “as is” without warranty of any kind, either express
or implied, including but not limited to the implied warranties or conditions of
merchantability or fitness for a particular purpose. In no event shall ASUS,
its directors, officers, employees, or agents be liable for any indirect, special,
incidental, or consequential damages (including damages for loss of profits,
loss of business, loss of use or data, interruption of business and the like), even
if ASUS has been advised of the possibility of such damages arising from any
defect or error in this manual or product.
Specifications and information contained in this manual are furnished for
informational use only, and are subject to change at any time without notice,
and should not be construed as a commitment by ASUS. ASUS assumes no
responsibility or liability for any errors or inaccuracies that may appear in this
manual, including the products and software described in it.
Products and corporate names appearing in this manual may or may not be
registered trademarks or copyrights of their respective companies, and are used
only for identification or explanation and to the ownersʼ benefit, without intent to
infringe.

i
GigaX3112 Series Layer 3 Managed Switch
Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
• This device may not cause harmful interference, and
• This device must accept any interference received including interference
that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with manufacturerʼs
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following
measures:
• Re-orient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an outlet on a circuit different from that to which
the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
WARNING! The use of shielded cables for connection of the monitor to the
graphics card is required to assure compliance with FCC regulations. Changes
or modifications to this unit not expressly approved by the party responsible for
compliance could void the userʼs authority to operate this equipment.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise
emissions from digital apparatus set out in the Radio Interference Regulations of
the Canadian Department of Communications.
This class B digital apparatus complies with Canadian ICES-003.

ii
GigaX3112 Series Layer 3 Managed Switch
ASUS contact information
ASUSTeK COMPUTER INC. (Asia-Pacific)
Address 150 Li-Te Road, Peitou, Taipei, Taiwan 112
Telephone [phone]
Web site www.asus.com.tw
Technical Support
Telephone (MB/Component) [phone] (English)
(Notebook) [phone] (English)
(Server/PC) [phone] (English)
Support fax [phone]
ASUS COMPUTER INTERNATIONAL (America)
Address 44370 Nobel Drive, Fremont, CA 94538, USA
Fax [phone]
E-mail: [email protected]
Web site: usa.asus.com
Technical Support
Telephone (General) [phone]
(Notebook) +1-877-918-ASUS (2787)
Fax [phone]
Support e-mail: [email protected]
ASUS COMPUTER GmbH (Germany and Austria)
Address Harkort Str. 25, D-40880 Ratingen, Germany
Telephone [phone]
Fax [phone]
Online contact www.asuscom.de/sales
Technical Support
Telephone [phone]
Fax [phone]
Online support www.asuscom/de/support
Web site www.asuscom.de/news
ASUS COMPUTER (Middle East and North Africa)
Address P.O. Box 64133, Dubai, U.A.E.
Telephone [phone]
Fax [phone]
Web site www.ASUSarabia.com

iii
GigaX3112 Series Layer 3 Managed Switch
Table of contents
1 Introduction ......................................................................... 1
1.1 L2/L3 managed switching features ............................................. 1
1.2 Conventions used in this document ........................................... 3
1.2.1 Notations ....................................................................................... 3
1.2.2 Typography .................................................................................... 3
1.2.3 Symbols ......................................................................................... 3
2 Getting to know the GigaX3112(F) ..................................... 4
2.1 Package contents ....................................................................... 4
2.2 Front panel ................................................................................. 5
2.3 Rear panel .................................................................................. 6
2.4 Technical specifications .............................................................. 7
3 Quick Start Guide ................................................................ 8
3.1 Part 1 — Installing the hardware ................................................ 8
3.1.1 Installing the switch on a flat surface ............................................. 8
3.1.2 Mounting the switch on a rack ....................................................... 8
3.2 Part 2 — Setting up the switch ................................................... 8
3.2.1 Connect the console port ............................................................... 8
3.2.2 Connect to the computers or a LAN .............................................. 9
3.2.3 Attach the RPS module ................................................................ 9
3.2.4 Attach the power adapter ............................................................. 9
3.3 Part 3 — Basic switch setting for management .........................................10
3.3.1 Setting up through the console port ............................................. 10
3.3.2 Setting up through the web interface ........................................... 12
4 Management with the web interface ................................ 14
4.1 Log into web user interface ...................................................... 14
4.2 Functional layout ........................................................................ 15
4.2.1 Menu navigation tips .................................................................... 17

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GigaX3112 Series Layer 3 Managed Switch
4.2.2 Commonly used buttons and icons ............................................. 17
4.3 System pages ........................................................................... 18
4.3.1 Management ................................................................................ 18
4.3.2 IP Setup ....................................................................................... 18
4.3.3 Reboot ........................................................................................ 19
4.3.4 Firmware upgrade ....................................................................... 19
4.4 Physical interface ..................................................................... 20
4.5 Bridge ......................................................................................... 21
4.5.1 Spanning tree .............................................................................. 21
4.5.1.1 STP Status .......................................................................... 21
4.5.1.2 Current Roots ...................................................................... 22
4.5.1.3 Bridge Parameters .............................................................. 23
4.5.1.4 Port Parameters .................................................................. 23
4.5.2 Link aggregation static ................................................................. 24
4.5.3 LACP ........................................................................................... 26
4.5.4 Mirroring ...................................................................................... 27
4.5.5 Static multicast ............................................................................ 28
4.5.6 IGMP snooping ............................................................................ 28
4.5.7 Traffic control ............................................................................... 30
4.5.8 Dynamic addresses ..................................................................... 30
4.5.9 Static addresses .......................................................................... 31
4.5.10 VLAN Configuration ..................................................................... 32
4.5.11 GVRP .......................................................................................... 33
4.5.12 QoS and CoS .............................................................................. 34
4.5.12.1 802.1p Priority ..................................................................... 34
4.5.12.2 CoS queue mapping ........................................................... 35
4.5.12.3 QoS Bandwidth ................................................................... 36
4.6 L3 Switch .................................................................................... 36
4.6.1 Interface ....................................................................................... 36

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GigaX3112 Series Layer 3 Managed Switch
4.6.2 Static Route ................................................................................. 38
4.6.3 RIP ............................................................................................... 38
4.6.3.1 Basic ................................................................................... 38
4.6.3.2 Passive Interface ................................................................ 39
4.6.3.3 RIP Version ......................................................................... 39
4.6.4 OSPF ........................................................................................... 40
4.6.4.1 Basic ................................................................................... 40
4.6.4.2 Interface ............................................................................. 41
4.6.4.3 Area ................................................................................... 42
4.6.5 Multicast Route ............................................................................ 42
4.6.5.1 M-Route .............................................................................. 42
4.6.5.2 DVMRP ............................................................................... 43
4.6.6 VRRP ........................................................................................... 44
4.7 SNMP ....................................................................................... 46
4.7.1 Community table .......................................................................... 46
4.7.2 Host table .................................................................................... 46
4.7.3 Trap setting .................................................................................. 47
4.7.4 SNMPv3 VGU Table .................................................................... 47
4.7.4.1 VACM View ......................................................................... 47
4.7.4.2 VACM Group ....................................................................... 48
4.7.4.3 USM User ........................................................................... 49
4.8 Filter pages ............................................................................... 50
4.8.1 Filter set ....................................................................................... 50
4.8.2 Filter attach .................................................................................. 52
4.9 Security .................................................................................... 53
4.9.1 Port Access Control ..................................................................... 53
4.9.2 Dial-In User .................................................................................. 55
4.9.3 RADIUS ....................................................................................... 56
4.9.4 Port Security ................................................................................ 57

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GigaX3112 Series Layer 3 Managed Switch
4.9.4.1 Port Configuration ............................................................... 57
4.9.4.2 Port Status .......................................................................... 58
4.9.4.3 Secure MAC Address .......................................................... 59
4.10 Traffic chart ............................................................................... 60
4.10.1 Traffic comparison ....................................................................... 60
4.10.2 Error Group Chart ........................................................................ 60
4.10.3 Historical status ........................................................................... 61
4.11 Save configuration ................................................................... 62
5 Console interface .............................................................. 63
5.1 Power On Self Test .................................................................... 63
5.1.1 Boot ROM command mode ......................................................... 63
5.1.2 Boot ROM commands ................................................................. 64
5.2 Login and logout ....................................................................... 65
5.3 CLI commands ......................................................................... 66
5.3.1 User account .............................................................................. 66
5.3.1.1 Add user .............................................................................. 66
5.3.1.2 Delete user .......................................................................... 66
5.3.2 Backup and Restore ................................................................... 66
5.3.2.1 Backup start-up configuration file ........................................ 66
5.3.2.2 Restore start-up configuration file ....................................... 66
5.3.3 System Management Configuration ........................................... 67
5.3.3.1 Firmware upgrade ............................................................... 67
5.3.3.2 configure terminal ............................................................... 67
5.3.3.3 enable ................................................................................. 67
5.3.3.4 disable ................................................................................. 67
5.3.3.5 end ...................................................................................... 67
5.3.3.6 exit ...................................................................................... 67
5.3.3.7 help ..................................................................................... 68
5.3.3.8 Host name .......................................................................... 68

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GigaX3112 Series Layer 3 Managed Switch
5.3.3.9 System Contact .................................................................. 68
5.3.3.10 System Location ................................................................. 68
5.3.3.11 IP Address and Network Mask ............................................ 69
5.3.3.12 Default Gateway ................................................................. 69
5.3.3.13 reboot .................................................................................. 69
5.3.3.14 reload default-config file ...................................................... 69
5.3.3.15 show running-config ............................................................ 69
5.3.3.16 write memory ...................................................................... 70
5.3.3.17 Assign a new user account ................................................. 70
5.3.3.18 Delete a new user account ................................................. 70
5.3.4 Physical interface commands ...................................................... 70
5.3.4.1 Interface mode .................................................................... 70
5.3.4.2 Interface duplex .................................................................. 70
5.3.4.3 Interface flow control ........................................................... 71
5.3.4.4 Show L2 interface .............................................................. 71
5.3.5 IP interface .................................................................................. 71
5.3.5.1 show vlan name string ........................................................ 71
5.3.5.2 Create a vlan entry .............................................................. 71
5.3.5.3 interface vlan VLAN-ID ....................................................... 72
5.3.5.4 ip address ........................................................................... 72
5.3.5.5 ip helper-address ................................................................ 72
5.3.5.6 ip ospf ................................................................................ 72
5.3.5.7 ip pim ................................................................................. 72
5.3.5.8 ip rip ................................................................................... 72
5.3.6 RIP .............................................................................................. 73
5.3.6.1 router rip .............................................................................. 73
5.3.6.2 no router rip ......................................................................... 73
5.3.6.3 version ................................................................................ 73
5.3.6.4 network ............................................................................... 73

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GigaX3112 Series Layer 3 Managed Switch
5.3.7 OSPF .......................................................................................... 73
5.3.7.1 router ospf ........................................................................... 73
5.3.7.2 router-id ............................................................................... 74
5.3.7.3 area ..................................................................................... 74
5.3.8 Multicast Route ............................................................................ 74
5.3.9 VRRP ........................................................................................... 74
5.3.10 Spanning Tree ............................................................................ 74
5.3.10.1 clear spanning-tree counters .............................................. 74
5.3.10.2 clear spanning-tree counters interface IFNAME ................. 74
5.3.10.3 default spanning-tree .......................................................... 75
5.3.10.4 show spanning-tree active .................................................. 75
5.3.10.5 spanning-tree enable and disable ....................................... 75
5.3.11 Link Aggregation ......................................................................... 75
5.3.11.1 trunk aggregation group ...................................................... 75
5.3.11.2 trunk load balancing ............................................................ 75
5.3.11.3 show aggregation-link trunk ................................................ 75
5.3.12 LACP .......................................................................................... 76
5.3.12.1 clear lacp counters .............................................................. 76
5.3.12.2 lacp aggregation-link trunk .................................................. 76
5.3.12.3 disable lacp aggregation-link trunk ..................................... 76
5.3.12.4 lacp port-priority .................................................................. 76
5.3.12.5 lacp system-priority ............................................................. 76
5.3.13 Mirroring ..................................................................................... 77
5.3.13.1 mirror mode ......................................................................... 77
5.3.13.2 mirror setting ....................................................................... 77
5.3.13.3 show mirror ......................................................................... 77
5.3.13.4 no mirror .............................................................................. 77
5.3.14 Static Multicast ........................................................................... 77
5.3.14.1 mac-address-table multicast ............................................... 77

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GigaX3112 Series Layer 3 Managed Switch
5.3.14.2 no mac-address-table multicast .......................................... 78
5.3.14.3 show mac-address-table multicast ...................................... 78
5.3.15 IGMP Snooping .......................................................................... 78
5.3.15.1 default ip igmp snooping ..................................................... 78
5.3.15.2 ip igmp snooping ................................................................. 78
5.3.15.3 interval time ......................................................................... 78
5.3.16 Traffic Control ............................................................................. 79
5.3.16.1 storm-control ....................................................................... 79
5.3.16.2 no storm-control .................................................................. 79
5.3.16.3 show storm-control .............................................................. 79
5.3.17 Dynamic Addresses .................................................................... 79
5.3.17.1 clear dynamic mac-address ................................................ 79
5.3.17.2 aging time ........................................................................... 79
5.3.17.3 no aging time ...................................................................... 80
5.3.17.4 show mac-address-table aging-time ................................... 80
5.3.18 Static Addresses ......................................................................... 80
5.3.18.1 add static mac-address ....................................................... 80
5.3.18.2 show mac-address-table ..................................................... 80
5.3.19 VLAN .......................................................................................... 80
5.3.19.1 show vlan name string ........................................................ 80
5.3.19.2 vlan vid ................................................................................ 81
5.3.19.3 name string ......................................................................... 81
5.3.19.4 access vlan ......................................................................... 81
5.3.19.5 allowed VLANs .................................................................... 81
5.3.20 GVRP ......................................................................................... 81
5.3.20.1 clear gvrp statistics ............................................................. 81
5.3.20.2 default gvrp configuration .................................................... 82
5.3.20.3 gvrp mode ........................................................................... 82
5.3.20.4 show gvrp configuration ...................................................... 82

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GigaX3112 Series Layer 3 Managed Switch
5.3.20.5 show gvrp statistics ............................................................. 82
5.3.21 CoS/QoS .................................................................................... 82
5.3.21.1 queue cos-map ................................................................... 82
5.3.21.2 show queue cos-map .......................................................... 82
5.3.21.3 qos mode ............................................................................ 83
5.3.21.4 show qos mode ................................................................... 83
5.3.21.5 qos egress bandwidth ......................................................... 83
5.3.22 SNMP ......................................................................................... 83
5.3.22.1 show rmon statistics ............................................................ 83
5.3.22.2 show snmp-server community ............................................ 83
5.3.22.3 snmp-server host ................................................................ 83
5.3.23 Filter ............................................................................................ 84
5.3.23.1 deny any host ...................................................................... 84
5.3.23.2 filter set ............................................................................... 84
5.3.23.3 filter conditions .................................................................... 84
5.3.23.4 filter attach .......................................................................... 84
5.3.24 Port Access Control .................................................................... 84
5.3.24.1 default system authentication control .................................. 84
5.3.24.2 dot1x default ....................................................................... 85
5.3.24.3 dot1x guest-vlan .................................................................. 85
5.3.24.4 dot1x initialize interface ....................................................... 85
5.3.24.5 dot1x max-req ..................................................................... 85
5.3.24.6 dot1x port-control ................................................................ 86
5.3.25 Dial-in User ................................................................................. 86
5.3.25.1 dot1x username password .................................................. 86
5.3.25.2 show dot1x user .................................................................. 86
5.3.26 RADIUS ...................................................................................... 86
5.3.26.1 RADIUS settings ................................................................. 86
5.3.26.2 show dot1x radius ............................................................... 86

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GigaX3112 Series Layer 3 Managed Switch
5.3.27 Port Security ............................................................................... 87
5.3.27.1 show port security ............................................................... 87
5.3.27.2 clear port security ................................................................ 87
5.3.27.3 switchport port-security ....................................................... 87
5.3.27.4 switchport port-security aging ............................................. 88
5.4 Miscellaneous commands .......................................................... 88
6 IP addresses, network masks, and subnets ................... 89
6.1 IP addresses ............................................................................ 89
6.1.1 Structure of an IP address ........................................................... 89
6.2 Subnet masks ............................................................................ 90
7 Troubleshooting ................................................................ 92
7.1 Diagnosing problems using IP utilities ....................................... 92
7.1.1 ping .............................................................................................. 92
7.1.2 nslookup ...................................................................................... 93
7.2 Replacing defective fans ............................................................ 94
Fan specifications ................................................................................... 95
7.3 Simple fixes ................................................................................ 96
8 Glossary ............................................................................. 98
9 Index ................................................................................. 104

1
GigaX3112 Series Layer 3 Managed Switch
1 Introduction
Congratulations on becoming the owner of the ASUS GigaX3112(F) L3 managed
switch! You may now manage your LAN (local area network) through a friendly
and powerful user interface.
This user guide tells you how to set up the GigaX3112(F) L3 managed switch,
and how to customize its configuration to get the most out of this product.
1.1 L2/L3 managed switching features
• Total 12 10/100/1000BASE-T auto-sensing Gigabit Ethernet switching ports
• Two(Gx3112) or twelve(Gx3112F) small form factor (SFP) Gigabit interface
converter (GBIC) slots
• Automatic MDI/MDIX support for 10/100/1000BASE-T ports
• Compliant with 802.3z and 802.3ab specifications
• 802.1D transparent bridge
• STP/RSTP/MSTP
• 16K MAC address cache with hardware-assisted aging
• 802.3x flow control
• 802.1Q-based tagged VLAN, up to 4096 VLANs
• 802.1p class of service, 8 queues per port
• IGMP snooping
• 802.3ad link aggregation (trunking), up to 32 trunk groups
• LACP
• GVRP
• Access Control List
• Rate Limiting, Granularity to 1Mbps
• Port Mirroring
• 802.1x
• Port Security
• DHCP Snooping
• DHCP Relay
• L3-Interface

2
GigaX3112 Series Layer 3 Managed Switch
• Inter VLAN Routing
• RIP v1 and v2
• OSPFv2
• Static route management
• VRRP
• DVMRP
• PIM-DM
• RMON: support 4 groups (1, 2, 3, 9)
• SNMP v1, v2, v3
• MIB-II
• Enterprise MIB for PSU, fan, and system temperature, voltage
• Telnet/SSH remote login
• TFTP for firmware update and configuration backup
• Cisco Like CLI
• Web GUI
• LEDs for port link status
• LEDs system, redundant power supply (RPS), and fan status

3
GigaX3112 Series Layer 3 Managed Switch
1.2 Conventions used in this document
1.2.1 Notations
• Acronyms are defined the first time they appear in text and in the glossary.
• For brevity, the GigaX3112(F) switch is referred to as “the switch.”
• The terms LAN and network are used interchangeably to refer to a group of
Ethernet-connected computers at one site.
• The illustrations and web interface screens refer to both the GigaX 3112 and
GigaX 3112F models, except otherwise indicated.
1.2.2 Typography
• Italics are used to present the parameters for the command line interpreter.
• Boldface type text is used for items you select from menus and drop-down
lists, and text strings you type when prompted by the program.
1.2.3 Symbols
This document uses the following icons to call your attention to specific
instructions or explanations.
Provides clarification or additional information on the current
topic.
Explains terms or acronyms that may be unfamiliar to many
readers. These terms are also included in the Glossary.
Provides messages of high importance, including messages
relating to personal safety or system integrity.
Note
Definition
Warning

4
GigaX3112 Series Layer 3 Managed Switch
2 Getting to know the GigaX3112(F)
2.1 Package contents
The GigaX switch package comes with the following items:
• GigaX 3112 (or GigaX 3112F) L3 managed switch
• AC Power cord
• Null modem cable for console interface (DB9)
• Rack installation kit (two brackets with six #6-32 screws)
• USB cable for console interface
• Installation CD-ROM
• Quick installation guide
Figure 1. GigaX3112 L3 managed switch package contents
STATUS
SPEED
DUPLEX
SYSTEM
RPS
FAN
11
9
7
5
3
1
12
10
8
6
4
2
1112
USB
CONSOLE
RS-232
1357911
24681012

5
GigaX3112 Series Layer 3 Managed Switch
2.2 Front panel
The front panel includes LED indicators and system console. LED indicators
show the system, RPS, fan, and port status.
Figure 2. Front panel (GigaX 3112)
Table 1. Front panel labels and LEDs
No. Label Color Status Description
1 SYSTEM Green ON Unit is powered on
Flashing Self-test, INIT, or downloading
Amber ON Abnormal temperature or voltage
OFF No power
2 RPS Green ON The PSU is working properly and the switch
has a good redundant power supply
Amber ON The PSU is abnormal and the switch is
powered by RPS
OFF No power at all (system LED is also off), RPS
does not work properly or not installed (system
LED is on)
3 FAN Green ON Both fans are working properly
Amber ON Both or either one of the fans stopped
4 10/100/
1000 port
status
Green ON Link (RJ-45 or SFP) is present; port is enabled
Flashing Data is being transmitted/received
OFF No Ethernet link
Amber ON Link is present, but port is disabled either
manually or by spanning tree
Flashing Port is in one of the STP blocking, listening
and learning state
5 10/100/
1000 port
speed
Green ON 1000Mbps
Amber ON 100Mbps
OFF ON 10Mbps

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GigaX3112 Series Layer 3 Managed Switch
Figure 3. Rear panel
Table 2. Rear panel labels
No. Label Description
1 Power Connects to the supplied power cord
2 RPS Redundant Power Supply connector
3 FAN1 – FAN2 Replaceable system fans
No. Label Color Status Description
6 Duplex
status
Green ON Full duplex
Amber ON Simplex
7 Console
USB
USB port for console
8 Console
RS232
RS-232 serial port for console
2.3 Rear panel
The switch rear panel contains the swappable fans and power connections.

7
GigaX3112 Series Layer 3 Managed Switch
2.4 Technical specifications
Table 3. Technical specifications
Physical
Dimensions
43.5mm(H) X 444 mm(W) X 322mm(D)
Power Input Consumption
100-240V AC/2.5A
50-60Hz
< 65 watts
Redundant
Power Supply
(RPS)
Input Output
100-240V AC/1.8A
50-60Hz
12V DC/12.5A
Environmental
Ranges
Operating Storage
Temperature 0 to 40°C (32 to
122°F)
-25 - 70°C
(-40 to 158°F)
Humidity 15 to 90% 0 to 95%
Altitude up to 10,000 ft
(3,000m)
40,000 ft
(12,000m)
Replaceable
Fans
Dimensions Voltage and
Current
Speed:
40 x 40 x 20 mm 12VDC, 0.13A 8200RPM