[nsp] Colo design question

Jon Lewis jlewis at lewis.org
Tue Jun 8 14:37:41 EDT 2004


On Tue, 8 Jun 2004, Marco Matarazzo wrote:

> This is what I found when hired. Now I was thinking... could I have any
> benefits replacing the 2950s with 3550? Will the offload of vlan tagging,
> intervlan routing, rate limiting and HSRP be substantial, or will the NPE300
> cope with it well? Now I'm running at 20% average processor time, with
> 30/35% peak, but I expect to double the used bandwidth in next month or so.

Depending on why you use VLANs, with 3550s acting as routers, you might
not need any/most of your VLANs.  I would think you'd still run HSRP on
the routers.  The 3550's will do rate policing though, so the routers
won't have to do that.

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 Jon Lewis                   |  I route
 Senior Network Engineer     |  therefore you are
 Atlantic Net                |
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