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Cisco Bug: CSCta79659 - MCP-CSM ill-timed P1 alerts send due to tcp-window 0 advertised

Last Modified

Nov 11, 2016

Products (1)

  • Cisco Security Manager

Known Affected Releases


Description (partial)

Perf Mon 3.2 / CSM 3.2.2 send frequently (2-3 per hour) P1 alerts with the reason:
Change:  Device is not accessible via HTTPS - Either the credentials are incorrect or Https may not be enabled on the device.

CSM sends P1 alert because the connections to the FWSM are aborted from time to time. MCP advertises a TCP window size of 0 which tears down the https test connection.
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