Hey Paul,
For what you want to do, you would be fine with a J-series. BGP instances means the number of BGP processes you would run inside additional routing-instances (ie. instance-type virtual-router, etc). If you are basically doing all your routing from inet.0, then you have essentially one BGP instance with multiple peers. I don't think the BGP peers on J-series is hard coded but rather the value that systest has qualified. As per Richard's comments, he is absolutely correct; you don't want to do millions of paths on J-series; but for a small number of routes you are working with, the box would work fine. As for performance, you would also be fine to push 200Mbps IMIX on the router. I suspect you may also want to disable the flow mode (aka, running in packet mode) if you run a newer software release on the J's. Kind regards, Truman On 22/04/2010, at 4:07 PM, Paul Stewart wrote: > Thanks very much for the feedback.. I've received a few offline replies as > well. > > To clarify the "small nature" of this application - we would be sending > about 65 iBGP routes to the box and receiving about 4000 eBGP routes. It's > for a small peering pop/exchange point. > > Having said that, if I thought it would work we'd take some J6350's and dump > some much larger tables for 600-800Mb/s applications involving about 20k > routes or even maybe full tables depending on the application.... the > feedback has been "mixed" so far to say the least ;) > > Travelling at the moment but going to fire up this handy J2320 I have laying > around and dump a full table to it ... like to flap it a few times etc. and > see what happens with 10.x loaded on it. > > Richard, I've heard you mention the rib/fib installation bug a few times but > never seen it yet (we're slowly entering the Juniper world from Cisco). Is > there anything documented on this issue or more details we can look up > somewhere? > > Best regards, > > Paul > > > -----Original Message----- > From: Richard A Steenbergen [mailto:r...@e-gerbil.net] > Sent: April-22-10 3:28 PM > To: Paul Stewart > Cc: juniper-nsp@puck.nether.net > Subject: Re: [j-nsp] J Series - BGP Peering Router? > > On Thu, Apr 22, 2010 at 12:30:30PM -0400, Paul Stewart wrote: >> Hi there.. >> >> I have a couple of applications pop up recently where I think a >> J-Series might suffice for BGP peering. The application is a small >> peering POP doing about 200Mb/s of traffic, about 50 BGP peers, and >> total routes is roughly 4000 total. > > In our experience w/J-series running the old/regular JUNOS (can't speak > to JUNOS-ES, which is really more of an integration of security features > to make J-series a mini-SRX), this would probably be a bad idea (I'm > assuming you mean more than 4000 routes, since you mention 400k later in > the email). We evaluated J-series for use as route reflectors, and found > that they suffer GREATLY from the ye olde slow rib/fib installation bug. > What might take a few minutes to install under extraordinary conditions > like coming up from a fresh restart on M/T/MX could take 30 minutes to > in some cases HOURS to install on J-series. When I asked Juniper people > about it, they basically said "we don't really support/recommend > J-series for this application, and the software is heavily optimized > towards providing packet forwarding performance at the expense of bgp > performance". Of course they said that AFTER we spent money on those > stupid route reflector software licenses, which they continue to sell > even though the box is completely unusable as a route reflector. :) > > YMMV but on J-series running JUNOS as of 9.3R4 the only words I can use > to describe loading up a lot of bgp routes/neighbors is "epic disaster". > Maybe JUNOS-ES is better or different or something, I dunno. > > -- > Richard A Steenbergen <r...@e-gerbil.net> http://www.e-gerbil.net/ras > GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC) > > > _______________________________________________ > juniper-nsp mailing list juniper-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp