[c-nsp] Best Practices for Transporting Layer-2 Services

[Phil Bedard]

Others mentioned EVPN for ELAN/VPLS type services, but it’s not just for multipoint services.  EVPN-VPWS is how we see most who do not have an existing Martini T-LDP deploying P2P L2VPN.  P2P is going to be transparent to most of what the customer or 3rd party provider  is sending.   If they have switches connected everywhere and end up in a loop, that’s something they need to be aware of and mitigate.

Thanks,
Phil

From: cisco-nsp <cisco-nsp-bounces at puck.nether.net> on behalf of Shawn L via cisco-nsp <cisco-nsp at puck.nether.net>
Date: Thursday, January 12, 2023 at 11:46 AM
To: Cisco Network Service Providers <cisco-nsp at puck.nether.net>
Subject: [c-nsp] Best Practices for Transporting Layer-2 Services
I'm wondering what other providers are doing when they need to transport a
bunch of third-party layer-2 services?

For Example -- if another SP wants to hand you 3 vlans (for example
10,11,12) and have you transport them to a couple of sites.  Vlan 10 (could
be Q-in-Q or not) needs to go to sites A and B, vlan 11 (again could be
Q-in-Q) needs to go to sites C and D, etc.

I'm specifically asking (in a cisco world) what do you do to protect
yourself from any funny business (spanning tree, whatever) that may happen
on the other provider's network or on the end-customer's network.

Thanks

Shawn
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