RE: ether channel load balancing

From: Gavin Lawson (Gavin.Lawson@kjv.com.au)
Date: Tue Feb 10 2009 - 04:13:02 ARST

Between R1 and BB2 the source and destination Mac addresses will always
be the same. Therefore if you use Mac addresses to determine the
etherchannel path then all traffic will traverse the same link and won't
be load ballanced.

So I would suggest IP address etherchannel load balancing be used to
determine the etherchannel path on both switches.

GL

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
BALA
Sent: Tuesday, 10 February 2009 3:03 PM
To: <ccielab@groupstudy.com>
Subject: ether channel load balancing

Hi GS,

I've a query reg etherchannel, pls can someone help me understand
better.

Router_1 connected to SW1 (3560) and BB2 connected to SW2 (3560). Both
switches have L2 etherchannel between them. If Router_1 is servicing
clients
connected to BB2, what is the best load-balancing method.

R1 <> SW1 <> SW2 <> BB2 ---clients

Answers:

SW1 - dst-mac
SW2 - src-dst-ip

Is this correct? I am also looking for a good documentation on
etherchannel
load-balancing, if any of you come across, pls share it to the group. 

-- 
Thanks & Regards

Balavignesh R
CCNP CCSP CAWLANFE
JNCIS - M - FRW JNCIA - SSL - WX - IDP

Blogs and organic groups at http://www.ccie.net

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