RE: [nsp] two interfaces on the same LAN with same subnet

From: Yuval Ben-Ari (yuvalba@netvision.net.il)
Date: Tue Nov 20 2001 - 16:22:17 EST


Niels,
According to following URL what you are saying is not configurable:
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat5000/rel_6_2/_con
fig/channel.htm#23937

"EtherChannel distributes frames across the links in a channel based on
the low-order bits of the source and destination Media Access Control
(MAC) addresses of each frame. The frame distribution method is not
configurable."

It is possible, however, to manipulate MAC addresses.

> -----Original Message-----
> From: Niels Bakker [mailto:niels=cisco-nsp@bakker.net]
> Sent: Saturday, November 17, 2001 04:51
> To: cisco-nsp@puck.nether.net
> Subject: Re: [nsp] two interfaces on the same LAN with same subnet
>
>
> * yuvalba@netvision.net.il (Yuval Ben-Ari) [Fri 16 Nov 2001,
> 19:27 CET]:
> >>> however note that the FEC hash uses the MAC addresses. So
> you really
> >>> need multiple MAC going to multiple MACs.
> >> No; you can configure Catalysts to load-balance based on source MAC
> >> address, so you can have many-to-one-MAC traffic patterns
> balance out
> >> pretty evenly.
> > Do you remember the command for that on Catalyst 5500 ?
>
> Neither, sorry...
>
>
> -- Niels.
>
>



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