[c-nsp] bgp communities over vpn mpls

[danger will]

Hi Keegan

Ok thanks was intersted mostly to see how people who run vpn mpls networks do regarding this.

--- On Sun, 2/27/11, Keegan Holley <keegan.holley at sungard.com> wrote:

From: Keegan Holley <keegan.holley at sungard.com>
Subject: Re: [c-nsp] bgp communities over vpn mpls
To: "danger will" <myniuid at yahoo.com>
Cc: cisco-nsp at puck.nether.net
Date: Sunday, February 27, 2011, 6:44 PM

It depends on the provider.  Extended communities are also used in vpn/vrf route filters so honoring any community already seen on a customer route is dangerous.  It's easier to remove all customer communities at the edge so some providers probably do that as.  Others may allow specific values for specific reasons the same way internet providers will allow customers to prepend and increase local-pref by sending communities.  The best thing is to consult your specific provider.







On Sun, Feb 27, 2011 at 10:34 AM, danger will <myniuid at yahoo.com> wrote:



Hello List,



Lets say the customer wants to use his own bgp communities over a vpn mpls service.

Prefixes from one site are market with some communities , and those communities have an action at another site. The question is are these communities maintained over the vpn mpls service or is there any reason for them to be deleted by the mpls provider ?






Thank you very much









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