Troubleshooting guide

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Cisco Broadband Local Integrated Services Solution Troubleshooting Guide
OL-5169-01
Chapter 9 Troubleshooting Cisco Media Gateways
Call Control
Turning on Trace Debugging
Warning System performance is severely affected if trace debugging is turned on. It is strongly recommended
that the craftperson and/or system engineer (SE) do not enable trace debugging on a live customer
system or during stress and/or performance testing on the MGX8850.
No debug information will print on the screen until the command ttyredir 1 is entered. This command
redirects console information to the current terminal in use. Also, it is usually prudent to change the idle
time to some amount of time longer than is necessary for the current test to run. Use the command
chidletm # (where # is the amount of time in minutes to wait before timing out the active session).
System security maybe jeopardized if the timeout value is changed to a large number such that it takes
prtOn 28 Displays all the backhaul messages received or transmitted by the
service card to IBPMUX module on the SCC. It also displays all the
LAPD messages received/transmitted on all the D-channels.
prtOff Turns off the display of backhaul messages received or transmitted
by the service card to IBPMUX module on the SCC, as well as all
the LAPD messages received/transmitted on all the D-channels.
pccDispCalls Displays all calls and corresponding call information present in the
system
pccTrunksPrint Displays the ether trunks present in the system and the number of calls
each one has on it.
pccdbmDispCb Displays information on the PCCDBM task
pccDispNumActCalls Displays the number of all the active calls in the sytem.
pccdbmDispActCon Displays all active calls in the system that are stored by the
PCCDBM task.
pccdbmDispUsedMncobj Displays the Ram DB call objects used in the system. RAM DB is
kept in PCCDBM task.
pccdbmDispFreeMncobj Displays the Ram DB call objects free in the system. RAM DB is
kept in PCCDBM task.
PrcPrintCotObj Displays all call object relating to the following operations :
Announcement, Transponder and LB COT, Milliwat Test
PrcPrintLines (module
number-zero based):
Display Line Status for each module. This information
includes information about the admin status and the physical status
of the line
PrcPrintDiskDb Displays the contents of PRC module hard disk DB. This includes
information on the echo cancellation option for all DS1 lines, admin
status for all lines and modules and some other miscelleneous
information about resource control module.
mscpPrtSts Print Statistics for IPDC.
mscpClrSts
Clear Statistics for IPDC.
Table 9-5 Debug Commands (continued)
Command Description