Re: L2 Etherchannel loadbalancing based on destination ip

Hi Marko,

Thank you for the reply,
but my question is can we perform load balancing based on a L3 address when
we have only a L2 etherchannel configured.
It doesnt matter if its src-dst-ip or src-ip or dst-ip.

Thanks,
Vibs

On Thu, Nov 18, 2010 at 6:37 PM, Marko Milivojevic <markom_at_ipexpert.com>wrote:

> It's platform dependent. On 3560 you can load share based on src/dst IP
> pair:
>
> Cat1(config)#port-channel load-balance ?
> dst-ip Dst IP Addr
> dst-mac Dst Mac Addr
> src-dst-ip Src XOR Dst IP Addr
> src-dst-mac Src XOR Dst Mac Addr
> src-ip Src IP Addr
> src-mac Src Mac Addr
>
> --
> Marko Milivojevic - CCIE #18427
> Senior Technical Instructor - IPexpert
>
> FREE CCIE training: http://bit.ly/vLecture
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>
> On Thu, Nov 18, 2010 at 09:12, Vibeesh S <vibselva_at_gmail.com> wrote:
> > Hi Garry,
> >
> > Thank you for the reply, I am aware of the load balancing configuration.
> > But am not sure if the L2 etherchannel can load balance based on
> > source/destination IP. Anways will let you know during the weekend.
> >
> > Thanks,
> > Vibs
> >
> > On Wed, Nov 17, 2010 at 9:50 PM, garry baker <baker.garry_at_gmail.com>
> wrote:
> >
> >> from the doccd on the 3560:
> >>
> >> "EtherChannel balances the traffic load across the links in a channel by
> >> reducing part of the binary pattern formed from the addresses in the
> frame
> >> to a numerical value that selects one of the links in the channel.
> >> EtherChannel load balancing can use MAC addresses or IP addresses,
> source or
> >> destination addresses, or both source and destination addresses. The
> >> selected mode applies to all EtherChannels configured on the switch. You
> >> configure the load balancing and forwarding method by using the
> *port-channel
> >> load-balance* global configuration command."
> >>
> >>
> >>
> http://www.cisco.com/en/US/customer/docs/switches/lan/catalyst3560/software/release/12.2_55_se/configuration/guide/swethchl.html#wp1275731
> >>
> >> I take this that it will look at the frame, so if the frame has L3 stuff
> >> then it should take it into account when it passes through the
> etherchannel,
> >> this is a global command on the 3560, so it affects all etherchannels
> >> configured...
> >>
> >> if you have a couple of switches i would like to see some test results,
> if
> >> you have time to lab it up...
> >>
> >>
> >> --
> >> Garry L. Baker
> >>
> >> "There is no 'patch' for stupidity." - www.sqlsecurity.com
> >>
> >>
> >> On Wed, Nov 17, 2010 at 10:07 AM, Vibeesh S <vibselva_at_gmail.com> wrote:
> >>
> >>> Hi,
> >>>
> >>> Are the MLS capable of performing loadbalancing based on destination ip
> >>> while am having a L2 etherchannel. (Without having any L3 stuff
> >>> configured.)
> >>>
> >>> Thanks,
> >>> Vibs
> >>>
> >>>
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Received on Thu Nov 18 2010 - 19:54:04 ART