
40 Troubleshooting
the telephone, it discards them. The LTPS no longer can communicate
with the IP Phone so the IP Phone eventually resets when the watchdog
timer expires.
To correct this problem, either deselect the Enable 802.1Q support in EM
or configure the network for 802.1Q VLAN tagging.
VGMC or Signaling Server locks up
If a VGMC or Signaling Server card locks up (for example, you cannot
communicate with the VGMC through the faceplate or a Telnet session,
you cannot use gateway channels, or telephones cannot register to the
card), use the following techniques to diagnose the card:
•
Note the faceplate display. If an error code appears, check the
applicable NTP and perform the suggested steps.
• Attempt to ping the TLAN of the locked card from another device on
the same subnet (for example, another VGMC)
• Attempt to ping the ELAN of the locked card from the Call Server or
the PC.
• Check if the VGMC 8051 processor responds. From the Call Server,
enter the following commands:
— LD 32
—
idc <card TN>
•
If you receive a response from the command in the previous step,
then check if the processor responds. From the Call Server, enter the
following commands:
—
LD 32
—
disc <card TN>
—
enic <card TN>
•
If you get a response from the command in the previous step,
then, if applicable, check if an IP Phone currently registered to the
VGMC/Signaling Server is responding:
— LD 32
— idu <IP Phone TN>
• If al the preceding steps provide a response, then your card is not
locked. Perhaps your shell task is locked. Connect to the serial port
(faceplate or octopus cable), if necessary, and press Ctrl+Q to see if
you can access the card. Certain tasks may be suspended.
Nortel Communication Server 1000
Troubleshooting Guide for Distributors
NN43001-730 02.02 31 December 2009
Copyright © 2008-2009 Nortel Networks. All Rights Reserved.
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