From: groupstudy email (groupstudy@gmail.com)
Date: Wed Mar 14 2007 - 23:55:13 ART
I didn't see my question make the list so I am putting it out again.
Thanks,
Danny
On 3/14/07, groupstudy email <groupstudy@gmail.com> wrote:
>
> Hello Group,
>
> I have a question perhaps someone in the group can help with. I have a
> 3750 switch that I am doing some testing on and I am seeing some unexpected
> behaviour.
>
> I have two VLANs; one for r1 and one for r2. On the other side of these
> routers, live a network that can be accessed via both routers.
>
> ___________
> | |
> R1 R2
> | |
> -------- --------
> | |
> Switch1
>
> On the switch (which has a VLAN interface configured for each router VLAN)
> I have configured two static routes; one pointing to r1 and the other to r2
> (equal cost routes).
>
> My understanding is that by default, fast switching is enabled on the
> switch so load balancing is happening on a per-destination basis. This is
> what all documentation I am encountering is saying. I would like the switch
> to load balance on a per-packet basis so I have configured "no ip
> route-cache" under both VLAN interfaces. After this I would expect to see
> the asterisk in the "show ip route x.x.x.x x.x.x.x" command on the switch
> moving between the two different paths that are configured. It is not
> moving. I would also expect to see traffic arriving on both router
> interfaces from the switch. I only see one router receiving this traffic.
>
> Am I missing something in my config or is my understanding of this
> functionality incorrect?
>
> Any help would be greatly appreciated.
>
> Thanks!
>
> S. Rick
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