Layer 2 vs. Layer 3 to TOR

Cord MacLeod cordmacleod at
Fri Nov 13 18:17:20 UTC 2009

On Nov 13, 2009, at 4:14 AM, Matthew Walster wrote:

> 2009/11/12 David Coulson <david at>
>> You could route /32s within your L3 environment, or maybe even  
>> leverage
>> something like VPLS - Not sure of any TOR-level switches that MPLS
>> pseudowire a port into a VPLS cloud though.
> Just to let you know - the Juniper EX4200 series only support a  
> single label
> stack, and RSVP not LDP - plus they have a restricted BGP table  
> size, so
> VPLS is out of the question.

If you wanted something to do this, it's called an MX series.  The ex  
is a switch... l3, but still a switch.

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