[c-nsp] Fw: Re: ReUSE AS number per VRF

[ar]

Alright. I will import these client vrfs in the NMS vrf. But not with the client-to-client VRFs...i think this is safe? am i right?

--- On Sat, 9/3/11, Keegan Holley <keegan.holley at sungard.com> wrote:

From: Keegan Holley <keegan.holley at sungard.com>
Subject: Re: [c-nsp] ReUSE AS number per VRF
To: "ar" <ar_djp at yahoo.com>
Cc: cisco-nsp at puck.nether.net
Date: Saturday, September 3, 2011, 10:52 PM

It really depends on your network.  It's not inherently dangerous though. I've even seen it done intentionally with the AS path looping used to prevent certain customers from accidentally talking to each other.  That of course is the caveat.  If you ever have to import
 routes from one VRF into the other you'll have to remove the reused AS.  It could become cumbersome if there isn't a record of what AS's are used in what VRF's.



2011/9/3 ar <ar_djp at yahoo.com>


Hi.



I tested re-using as numbers in different VRFs. And it is working.....



Is this practically safe? I am deploying VPN solution to customers...one vrf, one client...PE-to-CE will be BGP for policy control..I will reuse BGP AS numbers to different VRFs later on.....





Comments pls....

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