3Com 6416SW manual Port command to make sure that

Diagnosing

Problems

in

the

Hardware

Configuration

If you suspect that a Phase 3 problem is due

to a problem in your hardware

configuration (for example, using a LAN Emulation server, ONsemble ATM 25 Mbps

Concentrator,

25Mbps

client,

and

so

on), check

the following:

If the attached device is

an

ONsemble

ATM

25

Mbps

Concentrator,

enter the

SHOW PORT command to see

if the

port'sOKAYstatus.If isthe

statusOKAYis, not

follow

the

steps

in

“Diagnosing

Problems

with

ATM

Ports”

on page 7-15.

If

a

trap

or

error

message

is

displayed

on

the

client

when

you

start

the ONcore

enter

the

SHOW

PORT command to make sure that

the

ATM

media port's

status

is

OKAY. If

the

statusOKAYis,

restartnot

the

client.

If

the port's

status

does OKAYnot , changeruna totrace

by

entering

the

SET

TRACE and UPLOAD INBAND commands. Then contact your 3Com service

representative.

Use

the

MIB

browser

or

the

ATM

Campus

Manager

for

AIX Version 1 to make sure

that

the

client

addresses

are configured

in

the

ONcore

hub's

ATM

address

table.

If the ATM media port's status doesOKAYnot, changecontact toyour 3Com service representative.

If the attached device is a LAN Emulation server (LES), make sure that it is installed and running properly, and that:

– The status of the port that connects the LES toOKAYthe. ONcore hub is

– The LES is configured with the ATM network prefix used by the ONcore hub.

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