RE: ether channel load balancing

From: Jared Scrivener (jscrivener@ipexpert.com)
Date: Tue Feb 10 2009 - 11:31:14 ARST


Hey Balavignesh,

Src-dst-ip will give you the best load balancing if applied on both
switches. This will cause the switches to load balance based on a hash of
the source and destination IP for traffic in both directions. For
documentation, check out the 3560 Configuration Guide on the Cisco website.

Cheers,

Jared Scrivener CCIE3 #16983 (R&S, Security, SP), CISSP
Technical Instructor - IPexpert, Inc.
Telephone: +1.810.326.1444
Fax: +1.810.454.0130
Mailto: jscrivener@ipexpert.com

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of BALA
Sent: Tuesday, 10 February 2009 1:03 AM
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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