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Traffic interruption on VLAN interfaces during policy installation on ClusterXL Load Sharing Multicast
Symptoms
  • Traffic interruption on VLAN interfaces during policy installation on R77.30 ClusterXL Load Sharing Multicast with installed R77.30 Jumbo Hotfix Accumulator (traffic is interrupted / stops passing).

  • Establishing a new connection (instead of the interrupted connection) resolves the issue.

  • Changing the Connection Persistence from "Rematch" to "Keep all" in the cluster object does not resolve the issue.

  • $FWDIR/log/cphaconf.elg file on cluster members does not show that a multicast socket was reloaded during policy installation - the following expected message does not appear:
    [cphaconf PID ...]@Member_HostName[Date Time] fwha_mcset_update: sending signal FWHA_MC_RELOAD_EVENT to pid XXXX

Cause

During policy installation, the multicast sockets on cluster interfaces are not reset (closed and opened) as expected.

Issue was reported for Take 67 and above of R77.30 Jumbo Hotfix Accumulator.


Solution
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