T3 issue on several links

Unanswered Question
Apr 27th, 2010
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we have a about 12 T3 or so.. most of them are taking errors. the carrier indiacate that there is no trouble on the circuits we upgraded the IOS as well as changing modules on routers.


router --> 7206VXR software (C7200-IS-M), Version 12.4(25c), RELEASE SOFTWARE (fc2)

router-->7200 Software (C7200P-ADVENTERPRISEK9-M), Version 12.4(24)T3


some of them go up/down with alarm

some of them cumulate errors


when the interface are in passive and stress test the link they are no errors

as soon as we put the link to procducion it will start taking errors

some of the links bounces right after they are put in to production and some 3 to 4 days after production


Receiver has remote alarm
Receiver is getting AIS/Transmitter is sending remote alarm

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smitesh kharecha Fri, 04/30/2010 - 22:15
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If controller show AIS alarms, then definately its an telco issue.

Ask you telco to visit your premises for further troubleshooting and also ask him to perform BERT test.




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