SNAT and GARP-s for all IPs in the SNAT pool?

criisercriiser Member ✭
in System
Is this by design that G-arps are sent every 30 sec from ALL IP:s in an SNAT pool from the vrrp-a master? even if the IPs are not even used?!

/Christian

Comments

  • criisercriiser Member ✭
    edited February 2014
    Wireshark:

    1660 47.399671 MS-NLB-PhysServer-31_a0:00:01:20 Broadcast ARP 60 Gratuitous ARP for X.X.X.X (Request)
    1661 47.399672 MS-NLB-PhysServer-31_a0:00:01:20 Broadcast ARP 60 Gratuitous ARP for X.X.X.X (Reply)

    every 30 sec for ALL IPs in the SNAT pool...

    /(C)
  • dshindshin Member ✭
    edited February 2014
    Hi Criiser,

    The 30 second Gratuitous ARPs (request/reply) that you see from the wireshark trace is by design within the AX Series. The purpose of GARPs is for the downstream switches to be aware that connections are good. In addition, the GARPs assist in the updates of the ARP table.

    Genard
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