Re: Load balancing on AIX system.

cbaker_at_GOODYEAR.COM
Date: 10/30/03

  • Next message: Provoost, Richard: "Printer diver" 
    Date:         Thu, 30 Oct 2003 10:15:28 -0500
To: aix-l@Princeton.EDU

    NOTE:There is a regression in AIX 5.2 ML02 and AIX 5.2 ML01 with IY46313.
    These regressions cause problems with EtherChannel.

    There is an e-Fix (48170) for this. Real fix (IY48170) due out soon.

    Christopher M. Baker
    Senior Technical Support Analyst
    DSE/TCO
    Goodyear Tire and Rubber Company

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                          Raj Atwal
                          <atwalrs@YAHOO.C To: aix-l@Princeton.EDU
                          OM> cc: (bcc: Chris Baker/NA/GDYR)
                          Sent by: IBM AIX Subject: Re: Load balancing on AIX system.
                          Discussion List
                          <aix-l@Princeton
                          .EDU>

                          10/28/2003 08:58
                          AM
                          Please respond
                          to IBM AIX
                          Discussion List

    Hi Kiran,

    Question2: Yes, you do need a switch that supports EtherChannel. You will
    not be able to do it without one.

    Kiran Maraju <kiran@ISAC.ERNET.IN> wrote:
     Hi there,

     Has anyone implemented load balancing on a AIX Host with specifying two
     default gateways of equal cost. though I have'nt managed to locate a
     configuration document as such.

     i want to do balance the load of outgoing packets over more than one
     ethernet cards evenly.

     could u tell me the way to do load balancing on AIX host connected to
     multi links.

     i have 2 Questions 2 ask u.

     Quest (1):

     one adapter configured with IP ( 192.168.0.20 ) connected to one ISP
     (192.168.0.1)
     other adapter configured with IP address( 172.168.0.20) connected to
     different
     ISP{ 172.168.0.1) ,
     such that both adapters configured as a Etherchannel defined should
     distribute
     packets in equal order / Round Robin way .
     How to configure the above situation? any Idea?

     Quest (2) :

     Though, its possible to configure the above sit! uation with
     "Etherchannel"
     setting "Mode" as a " round_robin " mode . but, the adapters should be
     cabled
     with Etherchannel-enabled switch. Is this Etherchannel switch Required?
     can i
     configure without the switch ? i dont want to put a switch after
     etherchannel ?
     how to handle this case to get efficient usage of bandwidth ?

     Regards,

     Kiran Maraju

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