(PM) disconnection ratio

Brendan Pratt (bpratt@overflow.net.au)
Fri, 24 Dec 1999 16:20:56 +1000

Hi All,

I'm currently running 3.9b22 in my PM3 with 60 modems onboard on two PRI's.

I just went and ran Chris Adams' script, from a log that has details from
the 1st to the 15th of December, and got these results. :-

normal 67.45% 3513/5208
Call Circuit Closed 20.08% 1046/5208
Lost Carrier 10.23% 533/5208
PPP error 1.27% 66/5208
Auth failed 0.83% 43/5208
Service Unavailable - Host 0.10% 5/5208
Service Unavailable - PPP CHAP Auth Failed 0.02% 1/5208
Service Unavailable - Dial Script Failed 0.02% 1/5208

The CCC seems extraordinarily high to my way of thinking.

I'm located in a semi-rural part of Australia, so I expect to have users
dropping off line from time to time, due to _their_ locations, but over 30%
of disconnects being CCC or Lost Carrier ??

PM3> sh line0
---------------------- line0 - E1 Primary Rate ISDN ---------------

Status: UP F1 Framing: CRC4 Encoding: HDB3 PCM: a-law

Violations
-----------------------------
Bipolar 0
CRC4 0
E-bit 1482
FAS bit 0
Ringing is ON

PM3> sh line1
---------------------- line1 - E1 Primary Rate ISDN ---------------

Status: UP F1 Framing: CRC4 Encoding: HDB3 PCM: a-law

Violations
-----------------------------
Bipolar 0
CRC4 0
E-bit 6733
FAS bit 0
Ringing is ON

The E-bit error seem to always jump up to these sort of numbers within a day
of a reboot, then remain at that level until rebooted again.

I'll update to b27 if that could help... I guess there ain't much to lose if
I do. :)

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C u laitr ------------------------------------------------------------------------- Brendan Pratt Overflow Internet Services Mobile : +61-418-746657 Phone : +61-7-55-463-832 E-Mail : bpratt@overflow.net.au -------------------------------------------------------------------------

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