IBM OPTIONS ATM OC-3c, User Manual

Page: 115 / 140

Solving Known Problems D-21
ATM Problems
Table D-8
ATM Problems
Problem Possible Causes Possible Solutions
The ATM Connection Table is
only showing reserved ATM
Connections
Symptoms:
■
The VLAN LEC Status screen,
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.
■
The ATM Switch connected to the ATM
Module is using a different VPI:VCI value
for ILMI.
■
Check that the devices at both ends of the
connection are using the same ILMI VPI:VCI.
■
Check version of signalling in use. The ATM Switch
must use version 3.0 or 3.1 to be able to
communicate with the ATM Module.