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hearbeat packet size 5 is less than expected 26

  • 1.  hearbeat packet size 5 is less than expected 26

    Posted 06-14-2022 16:29
    I am clustering two SRX1500 firewalls across an extended L2 Switches network.  The control port em0 is down with so many heartbeat error and very few Heartbeat packets received. 

    when I check the jsrpd log, I find this log appears multiple times "hearbeat packet size 5 is less than expected 26". The HA port is running at 1g and all the switch interfaces have an MTU of 9192