Re: [nsp] ISL/dot1Q trunks on 26xx

From: Andrew Smith (
Date: Mon Dec 11 2000 - 14:06:57 EST

On 11-Dec-2000, Charles Sprickman wrote:
> Hi,
> Does anyone know of the max number of subinterfaces one can put on an FE
> port of a 2600 series router? I'm looking at about 200-400 with a fairly
> light overall traffic load (less than 6 Mb/s aggregate).

I believe that you are going to hit the max IDB limit on the 2600
at 300 total interfaces (including subinterfaces).
> Also, what's the general performance impact of doing trunking off of a
> router?

I haven't seen any significant impact in router performance by simply
using dot1q or ISL subif's. I don't know much about the physical FE
on the 2600's and how well it will operate as a "router on a stick"
as in, how well it performs in full-duplex capacity.
> Thanks,
> Charles

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