Frac PRI taking SLIP errors

Unanswered Question
Oct 31st, 2007

I have a VWIC-1MFT T1 configured for a 12 channel frac PRI. The controller increases in Slip and Errored Secs when ever I put the

network-clock-participate wic 2

in the config. I have pasted the confing below:

clock timezone MST -7

clock summer-time MST recurring

network-clock-participate wic 2

ip cef

isdn switch-type primary-ni

!

voice-card 0

no local-bypass

controller T1 0/2/0

framing esf

linecode b8zs

pri-group timeslots 1-12,24

!

interface Serial0/2/0:23

no ip address

encapsulation ppp

isdn switch-type primary-ni

isdn incoming-voice voice

but I keep getting these errors.

rt-cl-ELIt1#show controllers t1 0/2/0

T1 0/2/0 is up.

Applique type is Channelized T1

Cablelength is long gain36 0db

No alarms detected.

alarm-trigger is not set

Soaking time: 3, Clearance time: 10

AIS State:Clear LOS State:Clear LOF State:Clear

Version info Firmware: 20070320, FPGA: 20, spm_count = 0

Framing is ESF, Line Code is B8ZS, Clock Source is Line.

CRC Threshold is 320. Reported from firmware is 320.

Data in current interval (375 seconds elapsed):

0 Line Code Violations, 0 Path Code Violations

151 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins

151 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

Data in Interval 1:

2 Line Code Violations, 2 Path Code Violations

3 Slip Secs, 0 Fr Loss Secs, 2 Line Err Secs, 1 Degraded Mins

5 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

Total Data (last 1 15 minute intervals):

2 Line Code Violations, 2 Path Code Violations,

3 Slip Secs, 0 Fr Loss Secs, 2 Line Err Secs, 1 Degraded Mins,

5 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

rt-cl-ELIt1#

Serial0/2/0:0 unassigned YES unset down down

Serial0/2/0:1 unassigned YES unset down down

Serial0/2/0:2 unassigned YES unset down down

Serial0/2/0:3 unassigned YES unset down down

Serial0/2/0:4 unassigned YES unset down down

Serial0/2/0:5 unassigned YES unset down down

Serial0/2/0:6 unassigned YES unset down down

Serial0/2/0:7 unassigned YES unset down down

Serial0/2/0:8 unassigned YES unset down down

Serial0/2/0:9 unassigned YES unset down down

Serial0/2/0:10 unassigned YES unset down down

Serial0/2/0:11 unassigned YES unset down down

Serial0/2/0:23 unassigned YES NVRAM up up

ANY IDEAS OR HELP ??

I have this problem too.
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rraver Wed, 10/31/2007 - 16:55

Whenver I call the line it says that there are no available lines, please call back later... Telco carrier says everything looks fine on there end.

Paolo Bevilacqua Wed, 10/31/2007 - 17:00

Hi,

for the slip issue, please configure:

network-clock-participate wic 2

network-clock-select T1 0/2/0 1

For the failed incoming calls, please take "debug isdn q931" with "term mon".

rraver Wed, 10/31/2007 - 18:17

That has stopped the slip errors, what does that do? term mon hasn't helped me with the calls so I will have to do a console and see if it's dumping the debugs there. I do term mon first and then turn the debugs on and do term mon again just in case, but no luck still.

Thanks !

Paolo Bevilacqua Thu, 11/01/2007 - 06:30

With ISR routers, you need use clock from a line for reference, and these commands let you do that.

If you don't see debu output, check "show logging". It's possible that someone has disable logging to terminal, in which case re-enable with "conf t" and "logging monitor". After that you should be able to see the debugs via telnet.

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