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Troubleshooting, Appendix b, Table b.1 – Avaya M-ACCF/SF User Manual

Page 105: Troubleshooting tips

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Avaya M770 M-ACCF/SF ATM Access Modules User’s Guide

89

Appendix B

Troubleshooting

Use the table below to troubleshoot common problems. If you still experience
problems, please contact Avaya’s Technical Support.

Table B.1

Troubleshooting Tips

Problem

Probable Cause

Solution

1)The ATM Access

module IP does not
answer Ping
(general)

1)Not inserted

correctly in M770
switch.

2)No power
3)Incorrect IP

parameters

1)Check that it is inserted all the

way into the switch and that the
screws are tightened.

2)Verify IP configuration by

connecting a terminal to the
M-ACC Access module’s Console
port. Check whether IP and
gateway addresses have been
defined for the module.

3)Check that the OPR and ATM

LEDs are ON?

2)No response to ping

when your PC is
connected via a
Cajun M770
X-Switch Ethernet
Port

1)VLAN of the port

is not set to
VLAN 1

1)VLAN of the port is not set to

VLAN 1

3)No response to ping

when the pinging
station is in the
ATM network

ELAN default state
is either down or
disable

1)Set ELAN default to the up state
2)Check the ATM switch

configuration

LNK LED is blinking
even though cable is
connected

Incompatible port
speed

Check the speed of the ATM Access
module port and ATM switch

ELAN/VLAN
Association problems

Misconfiguration of
LANE services to
this ELAN

Check ATM switch LANE
parameters