From: Scott Morris (smorris@ipexpert.com)
Date: Sun Nov 04 2007 - 09:47:13 ART
Like routing, it's a one-way decision. The other side will not care even if
configured differently.
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE-M
#153, JNCIS-ER, CISSP, et al.
CCSI/JNCI-M/JNCI-ER
VP - Technical Training - IPexpert, Inc.
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-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Tarun Pahuja
Sent: Saturday, November 03, 2007 4:36 PM
To: Rich Collins
Cc: groupstudy
Subject: Re: Basics- Etherchannel load-balancing
Rich,
The choice depends on a lot of factors namely, what platform?
what version of IOS? Load balancing features supported and most important of
all, what are you trying to achieve.
For example, If you are backing up to a server and would like to perfom
etherchannel load balancing in intermediate switches it would not be a good
idea to use the destination Mac or IP, it would be more optimal to use
source ip address or Mac. Basically, the IOS uses a Hashing algorithm to
find out the port it should send the packet to, similar inputs to the
hashing algorithm would give the same port number.
HTH,
Tarun
On 11/3/07, Rich Collins <nilsi2002@gmail.com> wrote:
> Hi,
>
> After reading some of the documentation I think that I am still
> missing some basics. For example:
>
> many hosts --SW1 ===== Sw2 ---server
> (on same VLAN)
>
> With 3550's I suppose you would want src-mac on SW1 and then do you need
the
> reciprocal on SW2 (dst-mac)? Also a big question - what about a 3560 on
> one side and a 3550 on the other. What type of mixed matrices would work
or
> are suggested? i.e src-mac and dst-ip
>
> thanks
> Rich
>
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