[c-nsp] Switch cluster with 2950 and 3750 stack

Pavel Skovajsa pavel.skovajsa at gmail.com
Mon Jul 7 05:35:34 EDT 2008


Hi,
no this is not possible. Etherchannel is always one logical device to
another logical device.

For example two 2950 to each other.
Or stack of 3750 to one 2950
or stack of 3750 to stack of 3750
or the newest edge bleeding etherchannel setup (google up MEC) is: VSS
1440 (2x650x) to 2950

pavel



On Mon, Jul 7, 2008 at 11:16 AM, luismi <asturluismi at gmail.com> wrote:
> Hi all,
>
> I need to redesign an smaill network here.
> It is working with now with just a 2950 but I would like to improve the
> availability.
>
> I have some dudes that they will be probably answered in some place in
> Internet but I didn't find that place yet.
>
> The actual scenario is:
> 1 x 2950 connected to a 3750 stack
>
> The future scensario I would like to have is:
> 2 x 2950 connected to a 3750 stack
>
> Well, the reason to use 2950 is that we have several 2950 switches here
> and there is no reason to make a new invesment since they are enough for
> our requirements, they load is also quite small.
>
> I would like to do a cluster with the 2950 switches probably using some
> GigaStack Gbics.
>
> The question is...
> As soon as I create the cluster in the 2950 switches, is it possible to
> create a port-channel (one port from one 2950 and one port from the
> other 2950) against a port-channel at the 3750 stack side?
>
> I hope someone in this list can answer that.
>
> Thanks in advance.
>
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