Needing full BGP routes takes you out of the realm of cheap Layer 3 switches...
You need to worry about TCAM (hardware route memory) in addition to
RAM on Layer 3 switches and apart from decked out Cisco 6500s or
greater you aren't going to find that.

The Juniper MX80 should work. It is 2U and can have 48 GigE ports. You
should be able to get it for $30-50K.

Alternatively you could try a multihop BGP setup like Cogent has been
known to do.
Setup one BGP session between the customer and your Layer 3 switch at
the tower. This carriers a route for your border router/route
reflector to the customer and vice versa.
Then setup a BGP session between the customer and your border
router/route reflector.

Or you could drag MPLS into it but 2 simple BGP sessions seems like
the most straightforward solution to me.

On Wed, Sep 8, 2010 at 4:31 PM, Matt Jenkins <[email protected]> wrote:
> I am trying to find a Layer 3 switch that has 24 or 48 1000 base-T ports
> with enough RAM to handle Full BGP Internet Routes. Anyone have any
> suggestions?
>
> For those who wonder why.... I am upgrading all of my backhauls to
> support ~300mbps. In addition I need to be able to offer BGP connections
> to customers from this ring of backhauls.
>
> - Matt
>
>
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