2010/1/12 Łukasz Bromirski <luk...@bromirski.net>: > On 2010-01-12 21:27, Ben Jencks wrote: >> This is obviously a rookie question, but I haven't found anything by >> searching. I'm looking to set up a small testbed to simulate our >> internal network topology, and I want to have a realistic BGP table >> from the fake "upstream" routers. Ideally what I'd like to do is dump >> the BGP table from our production routers, strip the immediate >> neighbor AS, and load the table into Quagga or OpenBGPD to advertise. >> I'm running into two problems: how do you dump BGP tables in a >> machine-parseable format from IOS, and how do you make the route >> server advertise the routes as they were in the original table, >> including the full AS-path, communities, etc? If Quagga/OpenBGPD >> aren't the right tools, I'm happy to use something else. > > Use libbgpdump from ris.ripe.net to get raw data from > http://data.ris.ripe.net/ (you're looking for newest bview file), > and dump them using bgpdump to something easily to parse. Then > using bgpsimple (from googlecode) simulate a peer with specific > number of prefixes advertised - up to the limit of the contents > of the file. You can spoof next-hop, AS, etc. As for the attribute > manipulation, fire up a couple of VMWare/VirtualBox/vimage instances > with quagga/openbgpd to accept the prefixes from bgpsimple and > mangle them in some manner.
Thanks everyone. bgpsimple ended up being the tool I wanted, and I just used the RIPE data. If I was more adventurous I would have hooked Quagga up with a BGP session to the production routers and generated my own dumps, but the RIPE data was good enough for now. -Ben
