>From a different angle, IPv4 depletion will defuse the increasing of IPv4 routes on the internet.
On Thu, Feb 17, 2011 at 11:30 AM, Nick Hilliard <[email protected]> wrote: > On 17/02/2011 09:11, Mounir Mohamed wrote: > >> It depends on the number of BGP sessions you gone use, multiple BGP >> sessions >> with full internet routing table (340K right now) will be stored smoothly >> on >> an RP with 4G or 8G memory, but after completing the BGP decision process >> it >> will end up with less than 500k on the forwarding path (ESP5 with 500k >> limit), so till now no problem, but if you are planning to use a >> multipath >> option (rare in ISP) you may have a problem. >> > > A hard 500k prefix limit means that the hardware has an effective useful > lifetime in the DFZ of maybe 2 years at a maximum. If your depreciation > period is > 2 years, you need to consider getting a device with more tcam > than this. The larger asr1ks fit the bill in this regard. > > Nick > > -- Best Regards, Mounir Mohamed, CCIE No.19573 (R&S, SP) Senior Network Engineer, Core Team. NOOR Data Networks, SAE Mobile# +2-010-2345-956 http://mounirmohamed.wordpress.com http://www.linkedin.com/in/mounirmohamed _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
