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New Member

debug atm errors - documentation.

Does anyone know if there is any documentation to interpret the output of 'debug atm errors'

I am specifically interested in bad sap messages on IOS 12.2(8)T10.

The standard ios documentation link contains only how to turn this command on and off.

2 REPLIES
New Member

Re: debug atm errors - documentation.

Check the following link on Cisco.com that has quite a few ATM errors explained.

http://www.cisco.com/en/US/partner/products/hw/routers/ps359/prod_module_installation_guide09186a00800e9d02.html#xtocid51

Here is what it has for the bad SAP error:

Error Message

ATM(ATM2/0): VC(1) Bad SAP received

Explanation A packet with a bad SNAP encapsulation was received.

New Member

Re: debug atm errors - documentation.

"Bad Sap Received" simply means the router does not understand the incoming frames and this is seen for instance when a vc is not configured with the same encapsulation at both ends.

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