3Com LANplex 6000 User manual

®
LAN
PLEX
6000
A
DMINISTRATION
C
ONSOLE
U
SER
G
UIDE
Part No. 801-00254-000
Published December 1995
Revision 02

3Com Corporation
■
5400 Bayfront Plaza
■
Santa Clara, California
■
95052-8154
© 3Com Corporation, 1995. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make
any derivative work (such as translation, transformation, or adaptation) without permission from 3Com Corporation.
3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the
part of 3Com Corporation to provide notification of such revision or change.
3Com Corporation provides this documentation without warranty of any kind, either implied or expressed, including, but not limited to, the
implied warranties of merchantability and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or
the program(s) described in this documentation at any time.
UNITED STATES GOVERNMENT LEGENDS:
If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the
following restricted rights:
For units of the Department of Defense:
Restricted Rights Legend: Use, duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) for
restricted Rights in Technical Data and Computer Software clause at 48 C.F.R. 52.227-7013. 3Com Corporation, 5400 Bayfront Plaza, Santa Clara,
California 95052-8145.
For civilian agencies:
Restricted Rights Legend: Use, reproduction or disclosure is subject to restrictions set forth in subparagraph (a) through (d) of the Commercial
Computer Software - Restricted Rights Clause at 48 C.F.R. 52.227-19 and the limitations set forth in 3Com Corporation’s standard commercial
agreement for the software. Unpublished rights reserved under the copyright laws of the United States.
Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries.
3Com, LANplex, LanScanner, LinkBuilder, NETBuilder, NETBuilder II, ViewBuilder, EtherDisk, EtherLink, EtherLink Plus, EtherLink II, TokenLink,
TokenLink Plus, and TokenDisk are registered trademarks of 3Com Corporation. 3Com Laser Library, 3TECH, Boundary Routing, CacheCard,
FDDILink, LinkSwitch, NetProbe, Parallel Tasking, SmartAgent, Star-Tek, and Transcend are trademarks of 3Com Corporation. 3ComFacts,
Ask3Com, CardFacts, NetFacts, and CardBoard are service marks of 3Com Corporation.
Sniffer is a registered trademark of Network General Corp. CompuServe is a registered trademark of CompuServe, Inc.
Other brand and product names may be registered trademarks or trademarks of their respective holders.
Guide written, edited, and illustrated by Patricia Crawford, Lynne Gelfand, Michael Jenness, Patricia L. Johnson, Michael Taillon, and Iain Young.

C
ONTENTS
A
BOUT
T
HIS
G
UIDE
Introduction 1
How to Use This Guide 2
Conventions 3
LANplex 6000 Documentation 4
Documentation Comments 6
P
ART
IG
ETTING
S
TARTED
1
LAN
PLEX
6000 A
DMINISTRATION
O
VERVIEW
About LANplex Administration 1-1
Configuration Options 1-2
2
H OW TO U SE THE A DMINISTRATION C ONSOLE
Levels of User Access 2-1
Administer Access Example 2-2
Write Access Example 2-2
Read Access Example 2-3
Using Menus to Perform Tasks 2-3
Console Menu Structure 2-4
System Menu 2-4
Ethernet Menu 2-4
FDDI Menu 2-5
Token Ring Menu 2-6
Bridge Menu 2-6
IP Menu 2-7
SNMP Menu 2-8
Analyzer Menu 2-8
Selecting Menu Options 2-9
Entering a Command String 2-9
Entering Values 2-10
Getting Out 2-10

Console Interface Parameters 2-11
Adjusting the Screen Height 2-11
Preventing Console Disconnections 2-12
Configuring Control Panel Write Access 2-13
Disabling Reboot and Abort Keys 2-13
Running Scripts of Console Tasks 2-14
Getting Help in the Console 2-16
Online Help 2-16
Outlining 2-16
Exiting the Administration Console 2-17
P
ART
II S
YSTEM
-
LEVEL
F
UNCTIONS
3 C
ONFIGURING
M
ANAGEMENT
A
CCESS
T
O
T
HE
S
YSTEM
About Management Access 3-1
Using a Serial Connection 3-1
Using an IP Interface 3-2
In-band or Out-of-band? 3-2
Setting up the Terminal Serial Port 3-3
Setting up the Modem Serial Port 3-3
Setting the Port Speed 3-4
Configuring the External Modem 3-4
Setting up an IP Interface for Management 3-5
General Setup Process 3-5
Administering Interfaces 3-5
Displaying Interfaces 3-7
Defining an Interface 3-7
Modifying an Interface. 3-9
Removing an Interface 3-9
Administering Routes 3-9
Displaying the Routing Table 3-11
Defining a Static Route 3-11
Removing a Route 3-12
Flushing a Route 3-12
Setting the Default Route 3-13
Removing the Default Route 3-13
Administering the ARP Cache 3-14
Displaying the ARP Cache 3-14
Removing an ARP Cache Entry 3-14
Flushing an ARP Cache Entry 3-15
Setting the RIP Mode 3-15

Pinging an IP Station 3-16
Displaying IP Statistics 3-17
Setting Up SNMP on Your System 3-18
Configuring the SNMP Mode 3-18
Configuration Guidelines 3-19
Displaying SNMP Settings 3-20
Setting the Mode 3-21
Configuring Community Strings 3-21
Administering SNMP Trap Reporting 3-23
Displaying Trap Information 3-23
Configuring Trap Reporting 3-25
Removing Trap Destinations 3-26
Flushing Trap Destinations 3-27
Setting up SMT Event Proxying 3-27
4
A DMINISTERING Y OUR S YSTEM E NVIRONMENT
Displaying the System Configuration 4-1
Setting Passwords 4-2
Setting the System Name 4-4
Changing the Date and Time 4-4
Rebooting the System 4-5
5 U
PDATING
S
YSTEM
S
OFTWARE
About Updating Software 5-1
Copying Software to a Hard Disk 5-1
Copying to UNIX 5-2
Copying to DOS 5-3
Loading Software 5-4
6
B
ASELINING
S
TATISTICS
About Setting Baselines 6-1
Displaying the Current Baseline 6-1
Setting Baselines 6-2
Enabling or Disabling Baselines 6-2
7
S
AVING
, R
ESTORING
,
AND
R
ESETTING
N
ONVOLATILE
D
ATA
About Working with Nonvolatile Data 7-1
Saving NV Data 7-2
Restoring NV Data 7-3
Examining a Saved NV Data File 7-6
Resetting NV Data to Defaults 7-7

P
ART
III E
THERNET
, FDDI, & T
OKEN
R
ING
8
A
DMINISTERING
E
THERNET
P
ORTS
Displaying Ethernet Port Information 8-1
Frame Processing and Ethernet Statistics 8-5
Labeling a Port 8-7
Setting the Port State 8-8
9 A
DMINISTERING
FDDI R
ESOURCES
About Configuring FDDI Resources 9-1
The Backplane
Path Mode 9-2
Modules and FDDI Resources 9-3
Configuring the Backplane Path Mode 9-3
Administering FDDI Stations 9-5
Displaying Station Information 9-5
Setting the Connection Policies 9-7
Setting Neighbor Notification Timer 9-9
Enabling/Disabling Status Reporting 9-10
Administering FDDI Paths 9-11
Displaying Path Information 9-11
Setting tvxLowerBound 9-13
Setting tmaxLowerBound 9-14
Setting maxT-req 9-15
Administering FDDI MACs 9-16
Displaying MAC Information 9-16
Frame Processing and FDDI MAC Statistics 9-22
Setting the Frame Error Threshold 9-23
Setting the Not Copied Threshold 9-24
Enabling/Disabling LLC Service 9-25
Assigning MACsto Stations in Multi-station Mode 9-25
Setting the MAC Paths 9-26
Administering FDDI Ports 9-28
Displaying Port Information 9-28
Setting lerAlarm 9-30
Setting lerCutoff 9-31
Setting Port Labels 9-32
Assigning Ports to Stations in Multi-Station Mode 9-32
Setting the Port Paths 9-33

10
A
DMINISTERING
T
OKEN
R
ING
P
ORTS
Displaying Token Ring Port Information 10-1
Frame Processing and Token Ring Statistics 10-6
Labeling a Port 10-8
Setting the Port State 10-8
Setting the Port Speed 10-9
Setting the Port Mode 10-9
11
S
ETTING UP THE
S
YSTEM FOR
R
OVING
A
NALYSIS
About Roving Analysis 11-1
Displaying the Roving Analysis Configuration 11-3
Adding an Analyzer Port 11-4
Removing an Analyzer Port 11-5
Starting Port Monitoring 11-6
Stopping Port Monitoring 11-7
P
ART
IV B
RIDGING
12
A
DMINISTERING THE
B
RIDGE
Displaying Bridge Information 12-1
Setting the Bridging Mode 12-4
Enabling/ Disabling IP Fragmentation 12-6
Enabling/ Disabling IPX Snap Translation 12-6
Setting Protocol Address Translation from Token Ring to FDDI 12-7
Setting the Address Threshold 12-8
Setting the Aging Time 12-8
Administering STP Bridge Parameters 12-9
Enabling/Disabling STP on a Bridge 12-9
Setting the Bridge Priority 12-10
Setting the Bridge Maximum Age 12-10
Setting the Bridge Hello Time 12-11
Setting the Bridge Forward Delay 12-12
13
A
DMINISTERING
B
RIDGE
P
ORTS
Displaying Bridge Port Information 13-1
Frame Processing and Bridge Port Statistics 13-6
Setting the Multicast Limit 13-7
Administering STP Bridge Port Parameters 13-8
Enabling/Disabling STP on a Port 13-8

Setting the Port Path Cost 13-9
Setting the Port Priority 13-10
Setting the Source Route Ring Number 13-11
Administering Port Addresses 13-12
Listing Addresses 13-12
Adding New Addresses 13-13
Removing Addresses 13-13
Flushing All Addresses 13-14
Flushing Dynamic Addresses 13-15
Freezing Dynamic Addresses 13-15
14
C REATING AND U SING P ACKET F ILTERS
About Packet Filtering 14-1
Listing Packet Filters 14-2
Displaying Packet Filters 14-3
Creating Packet Filters 14-3
Concepts for Writing a Filter 14-4
How the Packet Filter Language Works 14-4
Basic Elements of a Packet Filter 14-6
Implementing Sequential Tests in a Packet Filter 14-8
Pre-processed and Run-time Storage 14-9
Procedure for Writing a Filter 14-10
Examples of Creating Filters 14-11
Filtering Problem 14-11
Packet Filter Solution 14-12
Tools for Writing a Filter 14-18
Using the Built-in Line Editor 14-18
Using an External Text Editor 14-20
Deleting Packet Filters 14-20
Editing Packet Filters 14-21
Loading Packet Filters 14-22
Copying Packet Filters 14-23
Assigning Packet Filters to Ports 14-23
Unassigning Packet Filters from Ports 14-24
15
C
ONFIGURING
A
DDRESS AND
P
ORT
GROUPS TO USE IN
PACKET FILTERS
Using Groups in Packet Filters 15-1
Listing Groups 15-2
Displaying Groups 15-3
Creating New Groups 15-4
Deleting Groups 15-6

Copying Groups 15-7
Adding Addresses and Ports to Groups 15-7
Removing Addresses or Ports from a Group 15-9
Loading Groups 15-11
PART VAPPENDICES
APACKET FILTER OPCODES, EXAMPLES, AND SYNTAX ERRORS
Opcodes A-1
Packet Filter Examples A-9
Destination Address Filter A-9
Source Address Filter A-9
Length Filter A-9
Type Filter A-10
Ethernet Type IPX and Multicast Filter A-10
Multiple Destination Address Filter A-10
Source Address and Type Filter A-11
Accept XNS or IP Filter A-11
XNS Routing Filter A-11
Address Group Filter A-12
Port Group Filter A-12
Common Syntax Errors A-13
BTECHNICAL SUPPORT
On-line Technical Services B-1
3Com Bulletin Board Service B-1
Access by Modem B-1
Access by ISDN B-2
World Wide Web Site B-2
ThreeComForum on CompuServe B-2
3ComFacts Automated Fax Service B-3
Support from Your Network Supplier B-3
Support from 3Com B-4
Returning Products for Repair B-4
INDEX