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Cisco Bug: CSCvi86630 - Crash due appnav SYN-ACK packets without a flow

Last Modified

Apr 18, 2019

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

Router reload when asymmetric (SYN-ACK) packets are received by Appnav Router

This will hit when multiple threads process the SYN-ACK packet.
Since ,there is no flow found for this SYN-ACK, a flow query is sent to the other SC in the Cluster, and the flow query response marks this flow to be redirected.
But, both these threads points to the same FO(flow Object),and this FO doesn't have a valid SN in it.
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