Re: Building a BGP test network
On 9 Jul 2008, at 18:49, William Waites wrote: Le 08-07-09 à 19:36, Ariel Biener a écrit : I have been pondering over this issue for some time now (not too much time to invest on it), since I wanted to created a duplicate model of our production network in a test environment, not connected to any outside network (thus cannot peer, same problem as described here). What about http://ipmon.sprint.com/pyrt/ ? It doesn't do everything being designed for the reverse problem -- pulling routes from a live BGP network for analysis. But it does include a BGP speaker and the ability to read and write MRTD files. I imagine with relatively little work it could be coaxed to read an MRTD dump and send the entries to a test peer. hi; as the author of pyrt, i'd just like to say that extending it to act as a bgp speaker able to read an MRTD file in and push it out down a peering as a series of updates ought indeed to be straightforward. it used to be able to read routeviews and ris BGP update and rib dumps ca. 2001/2002 as i used them for testing before we got the live feeds from sprintlink setup; it's possible that new attributes and suchlike might mean that it has problems with current dumps, but that ought to be similarly easy to fix. let me know if you run into any problems with pyrt and i'll see what i can do to help! (i'm just pleased that someone might still want to use the code :) Cheers, -- Richard Mortier Technical Director, Vipadia Ltd., Systems and networking consulting, integration and development; voice and video messaging on IP [EMAIL PROTECTED]
Re: Building a BGP test network
Jas, hi check this thread, you might be able to talk with the same guy. http://www.ripe.net/ripe/maillists/archives/routing-wg/1999/msg00107.html goodluck, -b On Wed, Jul 9, 2008 at 8:29 AM, Jason Lewis [EMAIL PROTECTED] wrote: I'm building a BGP test network and I'd like to replicate a full route table on a few of my routers. I thought I might be able to use Quagga and insert a rib dump, but I'm not finding a lot of info on if it's possible. (I've pinged the quagga list and didn't get any response) So my question is, is it possible to feed a router on a private test network a full route table from a RIB snapshot? I have to think someone has done it and I'm just not searching for the right things. Thanks, jas
Re: Building a BGP test network
I should clarify that my test network is not connected to the Internet or any other network. I would normally just peer and get the table, but I don't have that ability. I'm open to anything that could act like a BGP router where I could feed it an existing RIB. Jason Lewis wrote: I'm building a BGP test network and I'd like to replicate a full route table on a few of my routers. I thought I might be able to use Quagga and insert a rib dump, but I'm not finding a lot of info on if it's possible. (I've pinged the quagga list and didn't get any response) So my question is, is it possible to feed a router on a private test network a full route table from a RIB snapshot? I have to think someone has done it and I'm just not searching for the right things. Thanks, jas
Re: Building a BGP test network
The problem with the Adtech and the Router Tester and other similar routing protocol generation tools is while they are good at generating a lot of routes and helping to test routing protocol scalability, they usually just send the routes in the configured range in a contiguous, non-randomized fashion, with uniform prefix-masks, etc. This is very friendly to most typical radix-tree implementations, so if you want to test something like routing protocol convergence, you'll want something that can randomize the routes as much as possible. There are certainly tools out there that that can play back route tables, including one very commonly used proprietary tool created and used internally by one of the *big* vendors for testing their routers. If you do a bit of digging you should be able to find it. HTHs. Stefan Fouant Principal Network Engineer NeuStar, Inc. - http://www.neustar.biz GPG Key ID: 0xB5E3803D - Original Message - From: Borchers, Mark M. [EMAIL PROTECTED] To: NANOG list nanog@nanog.org Sent: Wed Jul 09 11:01:53 2008 Subject: RE: Building a BGP test network Do you have access to an Adtech or equivalent tester? Our AX4000 has the ability to fake a routing table. Just give it a range of prefixes and a range of prefix-lengths. -Original Message- From: Jason Lewis [mailto:[EMAIL PROTECTED] Sent: Wednesday, July 09, 2008 9:55 AM To: NANOG list Subject: Re: Building a BGP test network I should clarify that my test network is not connected to the Internet or any other network. I would normally just peer and get the table, but I don't have that ability. I'm open to anything that could act like a BGP router where I could feed it an existing RIB. Jason Lewis wrote: I'm building a BGP test network and I'd like to replicate a full route table on a few of my routers. I thought I might be able to use Quagga and insert a rib dump, but I'm not finding a lot of info on if it's possible. (I've pinged the quagga list and didn't get any response) So my question is, is it possible to feed a router on a private test network a full route table from a RIB snapshot? I have to think someone has done it and I'm just not searching for the right things. Thanks, jas __ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email __ NOTICE: This electronic mail transmission may contain confidential information and is intended only for the person(s) named. Any use, copying, or disclosure by any other person is strictly prohibited. If you have received this transmission in error, please notify the sender via e-mail.
Re: Building a BGP test network
Jason Lewis wrote: I'm building a BGP test network and I'd like to replicate a full route table on a few of my routers. I thought I might be able to use Quagga and insert a rib dump, but I'm not finding a lot of info on if it's possible. (I've pinged the quagga list and didn't get any response) So my question is, is it possible to feed a router on a private test network a full route table from a RIB snapshot? I have to think someone has done it and I'm just not searching for the right things. Well first of all do you have a rib dump? If not see http://routeviews.org/ for source material. Specifically http://archive.routeviews.org/ and ftp://archive.routeviews.org/ As for inserting it into Quagga, I'm not sure how to go about doing that. Various google searches don't turn anything up. I was planning on looking into this problem in a few weeks anyway. I'm building a network test bed and having full BGP tables is a part of my testing. When I figure it out I'll post to the list unless its figured out before then. -- Charles N Wyble (818) 280-7059 http://charlesnw.blogspot.com
Re: Building a BGP test network
Le 08-07-09 à 19:36, Ariel Biener a écrit : I have been pondering over this issue for some time now (not too much time to invest on it), since I wanted to created a duplicate model of our production network in a test environment, not connected to any outside network (thus cannot peer, same problem as described here). What about http://ipmon.sprint.com/pyrt/ ? It doesn't do everything being designed for the reverse problem -- pulling routes from a live BGP network for analysis. But it does include a BGP speaker and the ability to read and write MRTD files. I imagine with relatively little work it could be coaxed to read an MRTD dump and send the entries to a test peer. -w
