[c-nsp] Cisco 3550 maximum number of routable interfaces limit?

Jon Lewis jlewis at lewis.org
Mon Feb 7 10:43:57 EST 2005


On Mon, 7 Feb 2005, Marcel Lammerse wrote:

> I'd like to use this switch as a cheap alternative to a regular router.
> However, I've heard that the number of routable interfaces on it is
> limited to 8. Is this true? It sounds a bit strange that a 48-port switch
> could only support 8 vlan interfaces.

That's wrong.  I've got several where most of the ports are being used as
layer 3 ports.  Where it'll get you is the number of routes the box can
support.  You can't do anywhere near a full BGP view of the internet on a
3550.

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