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  • 1.  alias IP

    Posted Tue January 27, 2009 02:41 AM

    Originally posted by: grukrz1


    hello,

    in hacmp environment I have one etherchanel interface with persistent IP and service as an alias. both are in the same subnet.

    how to force source IP address to be service IP? is the only method to have persistent in other subnet then gateway (service IP is in the same subnet as gateway )? (probably it could also not work as I have not applied http://www-01.ibm.com/support/docview.wss?uid=isg1IZ07120 )

    anyone knows if eg. websphere mq can be bound to a specific IP to get right source IP? (like it is possible in ssh using -b option?)
    #AIX-Forum


  • 2.  Re: alias IP

    Posted Tue January 27, 2009 04:11 PM

    Originally posted by: MisterX


    IMO, persistent IP's in HACMP are pointless. I find it easier to configure my "persistent" IP on a dedicated adapter (or seperate etherchannel) and leave it outside of HACMP. This is what I have had to do for firewall rules and such.
    By design, IP routes (sources) from the 1st IP on that subnet. So there is no way to bind to an address.
    Example:
    192.168.10.11 <-boot
    10.50.54.10 <-persistent
    10.50.54.20 <-service

    All of your routes on the 10.50.54.x network will source from 10.50.54.10.

    Hope this helps.
    -Ryan
    #AIX-Forum


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