Re: Load balancing on AIX system.

From: Raj Atwal (atwalrs@YAHOO.COM)
Date: Tue Oct 28 2003 - 08:58:07 EST


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 situation 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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