CARP IP getting into DAD issues on one node



  • Hi

    We have a 2-node-cluster of pfsense 2.2.4

    On one node, for one IPv6, we get a duplicate detection, and the IPv6 VIP is down:
    Aug 25 11:36:29 kernel: carp: VHID 231@vmx0_vlan1700: INIT -> BACKUP
    Aug 25 11:36:29 kernel: vmx0_vlan1700: manual intervention required
    Aug 25 11:36:29 kernel: vmx0_vlan1700: DAD complete for 2a02:418:300a:7::1 - duplicate found
    Aug 25 11:36:29 kernel: vmx0_vlan1700: DAD detected duplicate IPv6 address 2a02:xxxx:xxxx:7::1: NS in/out=0/1, NA in=1
    Aug 25 11:36:29 kernel: vmx0_vlan1700: promiscuous mode enabled

    If we failover to the second node, no duplicate seems to be detected, and it works as expected.

    Any ideas what to look out for?

    Thanks!
    Michel


  • Rebel Alliance Developer Netgate

    Is that IP address only configured as a CARP VIP on both nodes?

    Is the CARP VIP status correct on both (Primary shows MASTER, secondary shows BACKUP)?


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