Hey, Our 6509 boxes are equiped with SUP720-3BXLs, so it shouldn't be a problem.
I am more concerned about the 7204VXRs equiped with NPE-400s or NPE-G1s. I haven't been able to find docs on the Internet related the URPF impact on performances. Thanks. Y. 2010/5/12 Jared Mauch <[email protected]> > > On May 12, 2010, at 6:21 AM, Phil Mayers wrote: > > > On 05/12/2010 10:55 AM, Youssef Bengelloun-Zahr wrote: > > > >> We have a bunch 6509s acting as core routers and a bunch of 7204VXRs > >> (NPE-400 / NPE-G1) acting as LNS border routers. > >> > >> Problem Is : I am concerned about performance issues. Is uRPF a big > consumer > >> of CPU / Memory ? > > > > On 6500, I believe the older sup2 has half the routing table capacity > with uRPF enabled, but it's otherwise done in hardware. > > > > 6500/sup720 uRPF is "free". There's no CPU/memory load. > > > > I don't know about the other platforms but I would be surprised if uRPF > significantly affects their forwarding performance. > > FYI: > > In sup720, if you already have interfaces in loose mode and toggle one to > strict any interface with uRPF enabled goes to strict. > > re: SUP2, you are correct, tcam is halved in size from 256k to 128k when > uRPF is enabled, if you are running bgp this can trigger software switching > of packets and high cpu utilization. > > - Jared > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > -- Youssef BENGELLOUN-ZAHR ……………………………………………… Ingénieur Réseaux et Télécoms Technopole de l'Aube en Champagne - BP 601 - 10901 TROYES Cedex 9 Agence Paris : 6, rue Charles Floquet - 92120 MONTROUGE Tel +33 (0) 825 000 720 Tel. direct +33 (0) 1 77 35 59 14 Tel. portable +33 (0) 6 22 42 63 80 Email [email protected] ……………………………………………………………………………….....www.720.fr _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
