Solving Known Problems

D-21

ATM Problems

Table D-8ATM Problems

Problem

Possible Causes

Possible Solutions

The ATM Connection Table is

The ATM Switch connected to the ATM

Check that the devices at both ends of the

only showing reserved ATM

Module is using a different VPI:VCI value

connection are using the same ILMI VPI:VCI.

Connections

for ILMI.

Check version of signalling in use. The ATM Switch

 

 

Symptoms:

 

must use version 3.0 or 3.1 to be able to

The VLAN LEC Status screen,

 

communicate with the ATM Module.

 

 

described in “ATM VLAN

 

 

LEC Status” on page 9-5,

 

 

shows that the LEC is

 

 

Inactive and there is no

 

 

network prefix for the LEC

 

 

ATM address.

 

 

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IBM ATM OC-3c manual ATM Problems, Only showing reserved ATM, Connections