I saw that just this morning while working with my telco to transition 4 T1's from PRI to CT1. After making the configuration changes, saving to NVRAM, and rebooting, they would take the first DS0 on each T1 and bring it off-hook which should have caused the modem to start squealing but all they got was dead air. I looked at the modem stats and saw that it did receive a call but the reason for call failure was "pbGenericError". I took pb to mean packet bus so I did a hardware reset of the ARC which cleared the problem with the first T1 but not the others. A hardware reset of the 3 other DSP cards cleared the problem on the others. I'm not sure what this means for you and your situation other than it's exactly the same error, but it may lead you to an ultimate solution. If you ever find out what that error means, please let me know. ;-)
-----Original Message----- From: mmm3@cornell.edu [mailto:mmm3@cornell.edu] Sent: Thursday, December 02, 1999 10:33 AM To: usr-tc@lists.xmission.com; 3com.totalservice.support.totalcontrol@cornell.edu Subject: (usr-tc) Evil Spirits in my rack!
I have yet to see this particular problem on the list, so I'm going to throw it out there and see what swims back...
For the past several months, on and off, I have been plagued by a problem where a chassis in a particular spot on my rack suddenly stops taking calls and returns a fast busy signal. I have:
1] Power cycled the chassis <--this works for about 8 hours 2] Replaced all the cards 3] Replaced the chassis 4] Swapped out the chassis with a test chassis 5] Swapped the T1s going into the DSPs 6] Removed *all* the cards except for one DSP, one ARC, one NMC, and two PSUs. 7] Tried rebooting the DSPs.
Firmware is at current levels. At one point, I actually sent the whole chassis back to 3Com and received a brand new one. This morning, I took a look at the performance monitor and saw, under "Reason for Call Termination":
pbReceivedLsWhileLinkUp(55)
Under "Reason for Call Failure", I see:
pbGenericError(46)
Anyone know what the heck is going on? I'm ready to call a priest! Incidentally, is there someplace out there where I can get a "dictionary" of those reason for disconnect messages? I have tried the knowledge base and wound up going 'round in circles. Thanks for any help you can give me. ********************************************************* Michelle M. Mogil Network and Computing Systems 721 Rhodes Hall, Cornell University, Ithaca, NY 14853 vox: (607) 255-0516, fax: (607) 255-8420 email: mmm3@cornell.edu **********************************************
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