(usr-tc) setting up a t1 connection
At 03:55 PM 6/1/01 -0400, you wrote:
Also sprach Jim Johnson
Recently, in preparation for a telco switchover, we have been testing a new phone company and currently we have three PRIs up.
About a week ago, we start getting numerous reports of disconnect problems, so I started looking at this problem and I am a bit frustrated.
Of course, the phone company monitored the circuits and declared everything fine on their end.
The only thing that I am seeing is a small number (0 to 100) of Code Violation errors in each 15 minute interval when I look at the Near End Current Intervals.
From looking at the stats, these errors initially were only showing up on the third PRI, so we went and powered down the chassis and moved the circuits around to make sure it wasn't the equipment.
However, today I am seeing these errors on all the PRI's.
What would cause these errors and what should I look at from here?
Line Coding generally refers to AMI and/or B8ZS. You might have your equipment set up for B8ZS and some piece of equipment in the transport between you and their switch (or the switch itself) might be set for AMI...it only takes one piece of equipment being set wrong to cause these.
The best way to test this is to run an all-0's pattern over a loopback'ed line.
AMI and B8ZS are intended to maintain 1's density on a T1, so running all-0's over it will cause the coding mechanisms in AMI and B8ZS to be used very frequently. If a piece of equipment in the transmission path is set to AMI when it should be B8ZS, you'll see line coding errors rack up quickly.
This all assumes, of course, that you have some piece of equipment capable of running Bit Error Rate Testing (BERT). The DSPs do have some limited capabilities in this area themselves, but they're not the easiest thing to work with.
If you've got a cisco t1 card (with integrated csu/dsu), they can often do BERT...as can some stand-alone CSU/DSU's. Of course, if you have access to a T-berd, then you've got it made in the shade. :)
I use a port on our PA-MC-8T1 to do BERT when I need it, FWIW.
If this isn't your problem...well...I might be able to come up with other explanations, but not off the top of my head. :) -- Jeff McAdams Email: jeffm@iglou.com Head Network Administrator Voice: (502) 966-3848 IgLou Internet Services (800) 436-4456
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Hi All, I've just found out that I have a HiPer chassis coming my way shortly (bought because it was disgustingly cheap). Does anyone have any sample configs for the DSP's and the ARC? Similar to the sample NETserver config Brian Feeney did... I've had a brief look through my archives of the list, but didn't turn anything up. - To unsubscribe to usr-tc, send an email to "majordomo@xmission.com" with "unsubscribe usr-tc" in the body of the message. For information on digests or retrieving files and old messages send "help" to the same address. Do not use quotes in your message.
Check out message with subject "Re: (usr-tc) Transition from Netserver to ARC" from 3/13/01 Marshall Morgan Internet Doorway, Inc (aka NETDOOR) http://www.netdoor.com 601.969.1434 x28 | 800.952.1570 x28 | 601.969.3629 x28 | Fax 601.969.3838 ----- Original Message ----- From: "Lists" <lists@aussie.nu> To: <usr-tc@lists.xmission.com> Sent: Thursday, June 07, 2001 11:32 PM Subject: (usr-tc) Sample HiPER configs
Hi All,
I've just found out that I have a HiPer chassis coming my way shortly (bought because it was disgustingly cheap).
Does anyone have any sample configs for the DSP's and the ARC? Similar to the sample NETserver config Brian Feeney did...
I've had a brief look through my archives of the list, but didn't turn anything up.
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Check out message with subject "Re: (usr-tc) Transition from Netserver to ARC" from 3/13/01
Thankyou muchly - that was exactly what I was after. - To unsubscribe to usr-tc, send an email to "majordomo@xmission.com" with "unsubscribe usr-tc" in the body of the message. For information on digests or retrieving files and old messages send "help" to the same address. Do not use quotes in your message.
Do you still need 45A PS's? We have "a few" - cost you shipping for one of them. Marshall Morgan Internet Doorway, Inc (aka NETDOOR) http://www.netdoor.com 601.969.1434 x28 | 800.952.1570 x28 | 601.969.3629 x28 | Fax 601.969.3838 ----- Original Message ----- From: "Lists" <lists@aussie.nu> To: <usr-tc@lists.xmission.com> Sent: Friday, June 08, 2001 12:12 AM Subject: Re: (usr-tc) Sample HiPER configs
Check out message with subject "Re: (usr-tc) Transition from Netserver to ARC" from 3/13/01
Thankyou muchly - that was exactly what I was after.
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Do you still need 45A PS's? We have "a few" - cost you shipping for one of them.
Yeah, I'm in need of two, but even one would be a start. I've got an old 45A chassis kicking around, with enough cards to fill it, but no power supplies. What would shipping from the US to Australia be worth (for delivery in 1-2 weeks)? Cheers, Bob. - To unsubscribe to usr-tc, send an email to "majordomo@xmission.com" with "unsubscribe usr-tc" in the body of the message. For information on digests or retrieving files and old messages send "help" to the same address. Do not use quotes in your message.
My NMC recently stopped responding to SNMP queries, etc and I'm unable to access it via TCM. It has, however, not seemed to affect anything as far as dial-up, routing, etc. Other than the fact that I can't run MRTG against it or the badmodems.pl script, there's no indication that it's having problems. Has the card gone bad...need replaced, lost something in part of config? How do I go about finding/fixing the problem? NMC is hardware 6.0 running 6.1.17 Thanks, -- Kirk Mitchell-General Manager mitch@keyconn.net Keystone Connect Unlock Your World Altoona, PA 814-941-5000 http://www.keyconn.net - To unsubscribe to usr-tc, send an email to "majordomo@xmission.com" with "unsubscribe usr-tc" in the body of the message. For information on digests or retrieving files and old messages send "help" to the same address. Do not use quotes in your message.
Also sprach Kirk Mitchell
My NMC recently stopped responding to SNMP queries, etc and I'm unable to access it via TCM. It has, however, not seemed to affect anything as far as dial-up, routing, etc. Other than the fact that I can't run MRTG against it or the badmodems.pl script, there's no indication that it's having problems.
Not surprising. The NMC does not have anything to do with the routine actions of taking and handling calls...it is what it says it is...purely a management card. You can totally remove the NMC and not lose any of the actual *production* functionality of the chassis.
Has the card gone bad...need replaced, lost something in part of config? How do I go about finding/fixing the problem?
Proly just needs a reboot, or possibly a reconfig...I've had a few lose some of the config (including IP addresses and stuff), and a reconfig from console (takes me about 30 seconds these days) gets them fully back up and running (sucks if its a remote city though). -- Jeff McAdams Email: jeffm@iglou.com Head Network Administrator Voice: (502) 966-3848 IgLou Internet Services (800) 436-4456 - To unsubscribe to usr-tc, send an email to "majordomo@xmission.com" with "unsubscribe usr-tc" in the body of the message. For information on digests or retrieving files and old messages send "help" to the same address. Do not use quotes in your message.
At 10:50 AM 6/8/01 -0400, Jeff Mcadams wrote:
Has the card gone bad...need replaced, lost something in part of config? How do I go about finding/fixing the problem?
Proly just needs a reboot, or possibly a reconfig...I've had a few lose some of the config (including IP addresses and stuff), and a reconfig from console (takes me about 30 seconds these days) gets them fully back up and running (sucks if its a remote city though).
I've never actually console'd into the NMC, only the ARC. Any quick command guides to checking/configuring the NMC via console? Thanks, -- Kirk Mitchell-General Manager mitch@keyconn.net Keystone Connect Unlock Your World Altoona, PA 814-941-5000 http://www.keyconn.net - To unsubscribe to usr-tc, send an email to "majordomo@xmission.com" with "unsubscribe usr-tc" in the body of the message. For information on digests or retrieving files and old messages send "help" to the same address. Do not use quotes in your message.
I have this happen occassionally and simply pull the card out of the chassis and re-insert it... Comes right back to life! ============================================================================== Phillip Ferraro WorldNet Access, Inc pferraro@wna-linknet.com Onslow County's PREMIER InterNet Service Voice (910) 346-0835 824 Gumbranch Square, Suite Q FAX (910) 455-1933 Jacksonville, Nc 28540-6269 ============================================================================== On Fri, 8 Jun 2001, Kirk Mitchell wrote:
My NMC recently stopped responding to SNMP queries, etc and I'm unable to access it via TCM. It has, however, not seemed to affect anything as far as dial-up, routing, etc. Other than the fact that I can't run MRTG against it or the badmodems.pl script, there's no indication that it's having problems. Has the card gone bad...need replaced, lost something in part of config? How do I go about finding/fixing the problem?
NMC is hardware 6.0 running 6.1.17
Thanks,
-- Kirk Mitchell-General Manager mitch@keyconn.net Keystone Connect Unlock Your World Altoona, PA 814-941-5000 http://www.keyconn.net
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participants (6)
-
eric＠dol.net -
Jeff Mcadams -
Kirk Mitchell -
Lists -
Marshall Morgan -
pferraro＠wna-linknet.com