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Forum Replies

  1. i did the configuration with 2 routers and a workstation with win 7, the comand router-preference has no impact at all.
    Is there something i missed in Win7 ?

  2. Finally the only way i found is to deactivate the nd protocol to make sure there is only one gateway in win 7.
    But i loose the failover for slaac.

  3. Two questions,
    - the first RS that the host sent, what are the source/destination IPs/MACs in use in the RS packet ?
    - If the gi0/1 interface on R2 was getting shutdown immediately how could the host receive the RA msg from R2 ? Is it part of port shutdown procedures to send out RA ?
    - How about a router shutdown? Is RA being generated ?

  4. Hello Ray,

    In the RS, the source MAC address is the host’s MAC address, the destination is the “all routers multicast” destination FF02::2.

    About the “shutdown procedure”, I just labbed this up to see how it works. Take a look at this wireshark capture:

    https://www.cloudshark.org/captures/69fd7a31fe57

    The first packet (length 118) is a regular router advertisement. The second packet (length 102) is sent when the interface is shut but also when you reload the router.

    The difference between the two is that in the “goodbye” router advertisement, all ICMPv6 options

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