[cisco-voip] The CMM and SPAN

[Ryan LaTorre]

The other day I encountered what appears to be a bug, but I could not
locate anything in the bug navigator.

Trying to SPAN the backplane port of a CMM module in a Cat 6500 with
Sup720, for the purposes of IPCCx recording/monitoring (in 3.x).  The
SPAN configuration is very straight forward (I believe) but I found that
when I SPAN both directions I receive only the transmit packets,
resulting in only recording one side of the conversation.  I confirmed
this by changing the SPAN source to receive only and NO packets were
mirrored whatsoever.  From what I can tell, it seems I can't SPAN
packets coming from the CMM.

Are there any SPAN/CMM caveats I should be aware of, or does this really
sound like a defect? I didn't see anything in release notes or guides.

Thanks,
Ryan

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