[c-nsp] how to connect vss-setup via mpls core

[Arie Vayner (avayner)]

Arne,

Why would you want to do that in such a way?
In order to get the real benefit of VSS you would need all the access
switches connected to both VSS nodes, which would require links from DC1
to DC2 per each access switch...
The same would apply to upstream Layer 3 connectivity...

If you do not plan to have this kind of a full mesh, then why would you
want to use VSS in the first place.

With regards to layer 2 interconnect between DCs, this is a very common
design nowadays, and MPLS is used in many solutions.
I suggest you take a look at this link:
http://www.cisco.com/en/US/netsol/ns975/index.html (take a look at the
whitepaper).

Also, there is a very good Cisco Press book about this whole subject:
http://www.ciscopress.com/bookstore/product.asp?isbn=9781587059926

In the coming Networkers event in Barcelona there would be a few
sessions about this, and a number of people in Meet the Engineer venue
which can help with this subject.

Arie
 

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Arne Larsen /
Region Nordjylland
Sent: Saturday, January 16, 2010 17:31
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] how to connect vss-setup via mpls core

Hi all.

I need an advice.
Is there a way to connect 2 vss-setup's with out using direct fibers on
layer 2
I would like the to sites to connect via our mpls cloud, so that vlan's
configured on the boxes can reach each other on layer2 and be able top
announce the layer3 network via bgp on both sites.
If vlan 200 is configured on both sites, is it possible to use eompls to
connect these 2, and make them active/stanby to each other on layer3
using vrrp or hsrp.
I been searching the cisco web for doc. But all I can find is only
useable on layer2.

/Arne

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