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State of Sync interface configured on Bond interface is 'DOWN' for each Virtual System
Symptoms
  • After issuing 'cpstop;cpstart' commands on the Standby VSX cluster member, the output of 'cphaprob -a if' command shows the following state of the Sync interface configured on Bond interface:

    • The state of Sync interface as 'UP' in the context of VSX itself (VS0).
    • The state of Sync interface as 'DOWN' for each Virtual System.

      Show / Hide example

      vsid 0:
      ------
      Required interfaces: 3
      Required secured interfaces: 1
      
      wrp1       UP                    non sync(non secured), multicast
      bond2      UP                    non sync(non secured), multicast, bond High Availability
      bond4      UP                    sync(secured), broadcast, bond High Availability 
      
      vsid 2:
      ------
      Required interfaces: 3
      Required secured interfaces: 1
      
      bond4      DOWN            sync(secured), broadcast, bond High Availability
      wrp129     UP                    non sync(non secured), multicast
      wrp128     UP                    non sync(non secured), multicast
       
      vsid 7:
      ------
      Required interfaces: 4
      Required secured interfaces: 1
      
      bond4      DOWN            sync(secured), broadcast, bond High Availability
      wrp448     UP                    non sync(non secured), multicast
      wrp449     UP                    non sync(non secured), multicast
      wrp450     UP                    non sync(non secured), multicast 
      
  • Reboot of Standby VSX cluster member resolves the issue.

Cause

Sync interface is working normally. This is only a cosmetic issue - state of the Bond interface is not updated after issuing 'cpstop;cpstart' commands.


Solution
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