about PA-A6-OC3SMI 's CRC

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Nov 25th, 2009
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in our company.when we update cisco 7507 to cisco 7606. and ATM port update PA-A3-OC3SMI to PA-A6-OC3SMI. but now,the CRC of the ATM port increase,the counters is almost 60~70 for running 4days.


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Giuseppe Larosa Thu, 11/26/2009 - 06:27
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from a practical point of view if they are just 60-70 on four days it is not an issue.

a different port adapter inserted in a different linecard in a different router or more simply a different optical power budget and a different signal to noise to ratio that leads to some errors

Hope to help



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