From: Digital Yemeni (digital.yemeni@gmail.com)
Date: Tue Mar 27 2007 - 08:24:01 ART
Hi Maureen,
Thank you very much for the info!
On 3/27/07, maureen schaar <maureen.schaar@gmail.com> wrote:
>
> Channel itself does not have to be L3 to support an ip-based
> load-balancing scheme. However, the traffic being transported over the
> channel, does have to cross a L3 boundary in order for any ip-based
> load-balancing to be effective. Mac-based load-balancing int this case
> would not be benificial if you are using one router on each end of the
> link, because then the source and destination mac address will always
> be the same and will be calculated to the same physical link.
>
> If you are communicating within one vlan over this channel, then
> src-mac on both sides will probably be sufficient, in some cases
> dst-mac could be better (many flows from one hosts to multiple hosts).
>
> If you are communicating between servers and clients in different
> vlan's, where most of the traffic is coming from the servers, then
> dst-ip on the server-side on the channel would make sense (and maybe
> src-ip on the client side).
>
> Here's a good reference from the cisco website:
>
> http://www.cisco.com/en/US/tech/tk389/tk213/technologies_tech_note09186a0080094714.shtml
>
>
> Maureen
>
> On 3/27/07, Digital Yemeni <digital.yemeni@gmail.com> wrote:
> > Hi guys,
> >
> > Got a question...
> >
> > dst-ip
> > src-dst-ip
> > src-ip
> >
> > Since all these are options based on IP, must the etherchannel be L3 for
> > them to be used or it does not really matter?! As far as i can
> understand
> > this, if the switches are L2 channelized then they will not be able to
> > understand this IP load balancing? Does it make sense?!
> >
> >
> >
> > --
> > Best Regards!
> > Digital, CCIE# to be assigned by Cisco when it collects enough $$ out of
> me!
> > :p
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
> >
>
-- Best Regards! Digital, CCIE# to be assigned by Cisco when it collects enough $$ out of me! :p
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