IBM 8237 Installation And User Manual Download

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8237 Hub Installation and Planning Guide

Chapter 2. Installing the 8237 ......................................................................... 2-1
Before You Begin ............................................................................................... 2-1
Setup ................................................................................................................. 2-1

Rack-Mounting the 8237   ............................................................................... 2-1
Surface-Mounting the 8237   ........................................................................... 2-3
Installing an Expansion Port   .......................................................................... 2-4

Installing and Routing Cables ............................................................................ 2-4

Connecting Cables to 10BASE-T Ports and Expansion Ports ....................... 2-4
Connecting Hubs with Stack Link Cables ...................................................... 2-5
Connecting a Modem or a Null-Modem Cable to the Management Port ....... 2-6

Powering on the 8237 ........................................................................................ 2-7

Chapter 3. 8237 Administration ...................................................................... 3-1
The 8237 User Interface Program ..................................................................... 3-1

Management Using Terminal Emulation Software ........................................ 3-1
Establishing a Session with the 8237 ............................................................ 3-2

Model 001 Management Options ....................................................................... 3-4

Set FEM Status ............................................................................................. 3-5

Model 002 and Model 003 Management Options .............................................. 3-6

Exit ................................................................................................................. 3-7
Restart System   .............................................................................................. 3-7
System Information ........................................................................................ 3-7
SNMP Configuration ...................................................................................... 3-8
Segment Configuration ................................................................................ 3-13
Hub Configuration ........................................................................................ 3-15
Port Configuration ........................................................................................ 3-19
Port Backups   ............................................................................................... 3-25
Port Security Control   ................................................................................... 3-27
TFTP Download ........................................................................................... 3-30
Xmodem Download   ..................................................................................... 3-31
User Passwords   .......................................................................................... 3-32
Management Port Configuration .................................................................. 3-33
Segment Statistics   ....................................................................................... 3-34
Hub Statistics ............................................................................................... 3-35
Port Statistics ............................................................................................... 3-37

Understanding the LEDs .................................................................................. 3-43
Getting New Microcode ................................................................................... 3-46
Management Using Telnet ............................................................................... 3-47

Configuring for SLIP .................................................................................... 3-47

Preparing for SNMP Management ................................................................... 3-48

Setting an IP Address Using BootP ............................................................. 3-48

Chapter 4. Troubleshooting, Installation, and Replacement Procedures .. 4-1
Problem Determination ...................................................................................... 4-1

LED Symptom and Fix Listing   ....................................................................... 4-1
Hot-Swapping 8237s   ..................................................................................... 4-3
Problem Determination Through the Management Port  ................................ 4-3
Sample 1   ....................................................................................................... 4-4
Sample 2   ....................................................................................................... 4-5
Sample 3   ....................................................................................................... 4-6

Installation, Removal, and Replacement Procedures ........................................ 4-8

8237 Hub Replacement ................................................................................. 4-8
Expansion Port Installation and Replacement ............................................... 4-8
RMON Daughter Board Installation and Replacement ................................ 4-10