Of course, you can't oversubscribe the RSPs. The RSP440 is slightly oversubscribed if you are using the 24x10GE Typhoon cards.
Phil On 2/4/13 9:46 AM, "Kordogiannis Themistoklis" <[email protected]> wrote: >With 1st Generation RSPs (haven't checked RSP440 yet), one existing >scenario where you would indeed have >packet loss in such a "failure" is with oversubscribed cards >(A9K-16T/8-B, 8 NPs, 2 10G ports / NP) >where in order to achieve 120Gbps you NEED Both RSPs. If you remove one >RSP then max achievable b/w >per slot is (if I remember correctly) ~92Gbps, so not only instant packet >loss but continuous until >either you replace the card or drop traffic rate. > >For some reason (space/cost ?) in order to be Line Rate you need dual RSP! > >Themis > >> -----Original Message----- >> From: [email protected] [mailto:cisco-nsp- >> [email protected]] On Behalf Of Phil Bedard >> Sent: Monday, February 04, 2013 4:18 PM >> To: William Jackson; [email protected] >> Subject: Re: [c-nsp] ASR9K 0 packet loss >> >> I've done a bit of testing and it's actually pretty good and I have >> seen >> zero packet loss, and never greater than 10ms for general IP/MPLS >> traffic. >> It's a gross simplification but the RSPs work the way the ALU SR >> routers >> have for years where the fabrics are active/active always receiving >> traffic and there is stateful synchronization between RPs for routing >> protocols. Back when I did the testing the only issue they had was >> with >> P2MP RSVP-TE LSPs. >> >> Phil >> >> On 2/4/13 6:40 AM, "William Jackson" <[email protected]> >> wrote: >> >> >Hi all >> > >> >I have seen mentioned on marketing that you can pull out the RP from >> an >> >in production ASR9K and suffer no packet loss. >> >Is this the active RP? Can somebody shed some light on this feature >> >please? >> > >> >Anyone tested this? >> > >> >Thank you >> > >> > >> >_______________________________________________ >> >cisco-nsp mailing list [email protected] >> >https://puck.nether.net/mailman/listinfo/cisco-nsp >> >archive at http://puck.nether.net/pipermail/cisco-nsp/ >> >> >> _______________________________________________ >> cisco-nsp mailing list [email protected] >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
