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Cisco Bug: CSCvv72527 - Port-channel gets added as a SPAN destination in monitor session for EX/FX based LC in EOR

Last Modified

Oct 12, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases


Description (partial)

So basically there is a limitation, FEX and SPAN port-channel destinations are not supported on the Cisco Nexus 9500 platform switches with -EX or -FX line cards.
However, when you configure the interface first with "switchport monitor" and then put it in a channel-group the config is getting imported from the interface to the port-channel and allowing it in the SPAN destination port EX based LC.
This needs to be blocked.

When you have "switchport monitor" configured first in the interface and then add it into the channel-group. The monitor session then allow the port-channel as the destination of SPAN.
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