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isp w/ 3640 csu failures?

jpoulos
Level 1
Level 1

‎02-06-2002 07:55 AM - edited ‎03-01-2019 08:22 PM

we are an ISP with about 30 3640 and 30 AS5200's. our 3640 csu/dsu cards seem to being failing a lot. Does anybody else have the same problem? any resolutions(a specific ios?). Is there a better solution or router to use. The AS5200 works great, and we are considering switching the 3640's to AS5200's(I know that it is eol product, but that just makes it less expensive.) Any help would be appreciated.

Jpoulos

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3 Replies 3

tepatel
Cisco Employee
Cisco Employee

‎02-06-2002 10:24 AM

If the problem is that worst on 3600's i think you should take a help of Cisco TAC engineers by visiting www.cisco.com/tac to open a case.

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zahmed
Cisco Employee
Cisco Employee
In response to tepatel

‎02-06-2002 11:55 PM

It would be nice to learn a bit more about what exactly the symptoms of the failure are. Do you see

any console messages when a failure occurs?

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jpoulos
Level 1
Level 1
In response to zahmed

‎02-07-2002 06:57 AM

there are no errors on the router. Usually the modems just stop receiving calls. The last time it happened. Everything looked ok. The NOC we use tested the line from the switch and noticed a lot of CRC errors. We replaced the card and it came right back up.

JPoulos

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