[c-nsp] Two DS3s Bounced at the Same Time

Rodney Dunn rodunn at cisco.com
Mon Mar 21 12:02:39 EST 2005


On Mon, Mar 21, 2005 at 08:51:49AM -0700, John Neiberger wrote:
> >>> Rodney Dunn <rodunn at cisco.com> 3/20/05 5:40:56 PM >>>
> >All it takes is a switchover of some sort in the
> >transport path to send an alarm down the circuit
> >and the T3 will go down and come right back up within
> >a second or so.
> >
> >If yours stayed down for longer than that then that
> >is not your problem.
> 
> Our links were both down for 87 seconds. Hmm....someone else suggested
> that this might be a problem with the DS3-12 cards in the ONS15454. We
> have one of those here and there is one in the Qwest CO. I should check
> to verify what software level they're using on those cards. I found a
> field notice that seemed to indicate that flaky code existed for those
> cards that would cause them to errantly send out LOS and AIS frames.

Then I'd say that bug/FN about the T3 cards is most likely
not your problem but you should get the fixes for it anyway.

> >
> >There is no way to tell what went on for the circuit
> >unless you get some alarm history from the telco
> >gear.
> >
> >The router (unfortunately) doesn't save it until you load
> >code where we added it.
> 
> What code has this feature?


CSCee49983
Externally found severe defect: Resolved (R)
PA-MC-2T3+ should keep a history of most recent alarms


Integrated in  	012.002(024.008) 012.003(009.007) 12.0(28)S02 12.0(29.01)S 12.1(23.01)E 12.2(19c) 12.2(24.08)S 12.2(24a) 12.3(09.07)T


> 
> Thanks,
> John
> --


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