[74905] in North American Network Operators' Group
Re: Cisco etherchannel question
daemon@ATHENA.MIT.EDU (Rodney Dunn)
Wed Oct 20 11:27:40 2004
Date: Wed, 20 Oct 2004 11:27:12 -0400
From: Rodney Dunn <rodunn@cisco.com>
To: "william(at)elan.net" <william@elan.net>
Cc: nanog@merit.edu
In-Reply-To: <Pine.LNX.4.44.0410200719500.14809-100000@sokol.elan.net>; from william(at)elan.net on Wed, Oct 20, 2004 at 07:27:33AM -0700
Errors-To: owner-nanog-outgoing@merit.edu
Let's move this to the cisco-nsp alias since
it's a vendor specific question.
http://puck.nether.net/cisco-nsp/
Thanks,
Rodney
On Wed, Oct 20, 2004 at 07:27:33AM -0700, william(at)elan.net wrote:
>
>
> Hi,
>
> I have etherchannel setup between cisco 7500 router and 5500 switch.
>
> For data going from 7500 router everything seems to be ok and data is
> well split between four interfaces with about 1/4th sent to each one
> (about 40% utilization each right now).
>
> But for data going from 5500 switch the split appears to be that one
> interface has 100% utilization while another one is 20% and others are
> less then 10%. So its not really splitting data on random basis to
> each interface and uses other interfaces as overflow after the main
> one. I don't like this as the one interface that is 100% full appears
> to sometimes be dropping packets on either switch or cisco router side.
>
> I'm wondering what I can do to force 5500 to use etherchannel in similar
> way cisco 7500 does?
>
> --
> William Leibzon
> Elan Networks
> william@elan.net
