[177154] in North American Network Operators' Group
Re: MPLS VPN design - RR in forwarding path?
daemon@ATHENA.MIT.EDU (Mark Tinka)
Fri Jan 2 13:22:34 2015
X-Original-To: nanog@nanog.org
From: Mark Tinka <mark.tinka@seacom.mu>
To: nanog@nanog.org,
tvarriale@comcast.net
Date: Fri, 2 Jan 2015 20:22:17 +0200
In-Reply-To: <54A5BB44.9080208@comcast.net>
Reply-To: mark.tinka@seacom.mu
Errors-To: nanog-bounces@nanog.org
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On Thursday, January 01, 2015 11:25:24 PM Tony Varriale=20
wrote:
> Most vendors today have the performance numbers
> (sometimes they aren't published publically) for routers
> acting as RRs. Ask your vendor and pick one that suits
> you. We generally buy the middle or most memory and
> pick a reasonable processor. And, then we monitor :)
With the major vendors now offering VM-based RR's, I'd=20
discourage using routers as RR's just for pure long-term=20
scale.
> As for peer groups, you should have a design that allows
> you to herd most of the config snips together. Use the
> features that make your life easier and allow you to
> simplify your routing policies.
Suffice it to say that the Peer Group functionality in IOS=20
and IOS XE has largely been replaced by Update Groups. We=20
use peer and session templates, but really, as with Peer=20
Groups in 2015, it's just to keep things neat and tidy.
Junos, of course, has its way forever which still works=20
nicely.
Mark.
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