I've deployed a 7280SR in that role. Needs the FLX model/license, and a special TCAM optimization command to install all the routes in hardware. Right now, just pulling a single v4 feed, expanding to a second soon; no v6 yet. Overall, no major issues with it, but Arista seems to be pretty close-lipped about the secret sauce in Flexroute that lets it scale over 1M.
On Fri, Apr 14, 2017 at 6:51 AM, David Hubbard < dhubb...@dino.hostasaurus.com> wrote: > Hey all, have some Brocade MLXe’s that can no longer handle a full v4 and > v6 route table while also having VRF support (dumb CAM profile limitations > in the software). Mine don’t do anything fancy; just BGP to a few upstream > peers and OSPF/OSPFv3 to the inside, management VRF, some ACL’s. I’m > looking at the ASR9001 with add-on ports since I need (10) 10gig. However, > I’ve also been running some Arista 7280SE’s for the past 18 months with no > issues, and they want me to consider their 7280R since it would give me > more ports, in addition to some higher speed ports, which would be nice if > I ever want to upgrade some of our peering to 40 or 100gig. > > Arista’s specs say the 7500R / 7280R can handle 1M ipv4+ipv6 routes in > hardware (FIB): > > https://www.arista.com/assets/data/pdf/Whitepapers/FlexRoute-WP.pdf > > In theory, it would last at least a few years if the v4 table doesn’t get > too crazy between now and then. > > Curious if anyone has deployed a 7500R or 7280R in this role and what the > feedback has been? > > The 9001’s 4M ‘credits’ for the combo of v4 +(2)v6 routes obviously goes > much further, but I think either one would make it to their expected end of > life, or if not on the Arista side, I’d probably have spent half as much. > > Thanks, > > David >
