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Cisco Bug: CSCvu63340 - Change default value for in band monitoring interval from 1 second to 5 seconds

Last Modified

Jul 28, 2020

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

4.0(4h)C 4.1(1c)C

Description (partial)

When using In Band Management, ICMP Frames are sent from each CIMC to the default gateway for a health check every second.  When 3 ICMP frames are missed, this triggers CIMC failover from Managing instance to other instance.  This failover sends a GARP northbound to the network to notify the network of topology change.  

On large environments, this happens many many times.

General operation while using In Band Management with UCSM and large environments with many blades / service profiles.
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