Programming instructions

203
Troubleshooting
Troubleshoot Digital Trunks
Digital Trunking
The following table lists key maintenance commands that you can use to
collect Digital Trunk INFOrmation.
Table 20: Digital Trunk Troubleshooting
Symptoms DTINFO Command
Qualifiers
Description
Any problem show link config all
show framer config all
show link info
show vdsu table
Displays link, framer, and
vdsu configuration
information.
Link alarms - Part 1
(trunks unavailable,
network synch
issues)
show framer stats all
show framer regs all
Displays framer statistics and
its register settings.
Collect output from the
"dtstats read", "net state" and
"show faults digital links".
Link alarms - Part 2
(Trunks not in idle
when there are no
calls up)
show vdsu alarms <plid>
show vdsu channel <plid>
Displays the state of vdsu
alarms and channels. Use
this command with "dtstats
read" and "state" commands.
Outgoing or
incoming calls
rejected
trace vdsu namnum Displays the calling/called
number and name of the call.
It also displays the reason an
ISDN call was disconnected.
Use this command to verify
that ARS is setup correctly.
Call problems (calls
dropped/ rejected,
set displays not
correct, and so
forth)
trace tsp l2l3 <plid>
OR
trace tsp cc <plid>
OR
trace vdsu cp <plid>
trace vdsu vb <plid>
Displays L2 or L3 or call
control trace.
If the problem is not protocol
related, turn on the "cp/vb"
tracing.
Call problems are
generating
message output
that you need to
capture
enable logtofile
disable logtofile
Saves logging traces to a file
named "DigTrkTrace.rtf" in
the "/db" directory.