Re: Etherchannel XOR on 3 and 5 ports etherchannel

From: Martin Dean <mdean_at_diatac.com>
Date: Thu, 3 Sep 2009 18:47:58 +0100

See
http://www.cisco.com/en/US/tech/tk389/tk213/technologies_tech_note09186a0080094714.shtml#topic1
for some info, but not much.
It says it uses 3 bits for any number of ports per channel, not sure if that
is correct.

----- Original Message -----
From: "Hans Eriksson" <eriksson.hans_at_gmail.com>
To: <ccielab_at_groupstudy.com>
Sent: Thursday, September 03, 2009 10:23 AM
Subject: Etherchannel XOR on 3 and 5 ports etherchannel

>I have no problem understanding this when using Etherchannel with 2,4 or 8
> ports in a bundel. But if you have 5 or 7 ports in the bundel.
> Exampel from Cisco.
>
> 192.168.10.1 and 172.24.50.6
>
> 1 = 00000001 and 6 = 00000110
>
> 2 port etherchannel port (0-1) 1XOR0 =1 eq port 1
> 4 port etherchannel port (0-3) 01XOR10 = 11 eq port 3
> 8 port etherchannel port (0-7) 001XIR110 = 111 eq port 7
>
> now if you have 5 or 5 porst what happends?
> What bits are used?
>
> 3 port channel port (0-2)
> or
> 5 port channel port (0-4)
>
> How will this work?
>
> Regards Hasse
>
>
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Received on Thu Sep 03 2009 - 18:47:58 ART

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