Thnx James, Basically I wanted to push management to enable IPv6 and get transit circuit. But it is hard to justify cost vs benefit. So I wanted to check if I can enable it with existing hardware. I am also running 15.3(3)S6 code for all internet facing routers.
Krunal On Thu, Nov 24, 2016 at 9:55 AM, James Bensley <[email protected]> wrote: > On 23 November 2016 at 22:02, krunal shah <[email protected]> wrote: > > Hello, > > > > Is there anyone importing full table IPv4 and IPv6 in 6708 line cards? > > > > I am looking to see if any operational issues with installing full BGP > > table in a VRF both IPv4 and IPv6 in VRF from more than 2 BGP sources on > > 7600 router with RSP720-3CXL 4GB RP and 2GB SP memory. I also need some > > room for MPLS routes may be around 2000 IPv4 routes and lables. > > > > System has only one VRF and and allocating labels per VRF. > > > > #sh mls cef maximum-routes > > FIB TCAM maximum routes : > > ======================= > > Current :- > > ------- > > IPv4 + MPLS - 768k (default) > > IPv6 - 127k > > IP Multicast - 1k > > > > Looking to see how much memory (show memory statistics) and processor > > utilization. > > > Hi Kruanl, > > You can run the full IPv4 and IPv6 tables on 6708 cards with > RS720-3CXL assuming DFC-3CXL on the line cards. This is an Internet > facing 7606 we have with such a configuration. Sadly this box has 2GB > of RP RAM not 4GBs, but not many of our 7600s have the full table. The > box is running 15.3(3)S6. Note that the full table is in the GRT not a > VPN for this box, we see the IPV4 BGL table as about 610k routes so we > have about 50k VPNv4 routes. If you are using per-VRF labels then I > wouldn't expect any more memory usage than we have below as we are > using a mixture of per-prefix and per-vrf so ours is probably higher > than what yours would be. > > Overall its "ok" with 2GBs of SP RAM but I wouldn't recommend > deploying this now, its time to move away from these 7600s. We have > some MX480s in the same racks and we are migrating stuff over. It > "will work" with what you have suggested but it won't have much > longevity. Also a BGP bounce on the transit bounce does NOT go > unnoticed. > > Cheers, > James. > > > > 7606-S-15.3(3)S6#show memory statistics > Head Total(b) Used(b) Free(b) Lowest(b) > Largest(b) > Processor 13FCECD8 1677923112 1191216368 486706744 474380240 > 479577996 > I/O 78000000 134217728 50041376 84176352 83398176 > 83923804 > > > 7606-S-15.3(3)S6#show platform hardware capacity forwarding > L2 Forwarding Resources > MAC Table usage: Module Collisions Total Used > %Used > 5 0 98304 879 > 1% > 6 0 98304 897 > 1% > > L3 Forwarding Resources > Module FIB TCAM usage: Total > Used %Used > 5 72 bits (IPv4, MPLS, EoM) 901120 > 797960 89% > 144 bits (IP mcast, IPv6) 73728 > 32647 44% > > detail: Protocol Used > %Used > IPv4 664911 > 74% > MPLS 133045 > 15% > EoM 4 > 1% > > IPv6 32640 > 44% > IPv4 mcast 4 > 1% > IPv6 mcast 3 > 1% > > Adjacency usage: Total Used > %Used > 1048576 210850 > 20% > L3 Forwarding Resources > Module FIB TCAM usage: Total > Used %Used > 6 72 bits (IPv4, MPLS, EoM) 901120 > 797960 89% > 144 bits (IP mcast, IPv6) 73728 > 32647 44% > > detail: Protocol Used > %Used > IPv4 664911 > 74% > MPLS 133045 > 15% > EoM 4 > 1% > > IPv6 32640 > 44% > IPv4 mcast 4 > 1% > IPv6 mcast 3 > 1% > > Adjacency usage: Total Used > %Used > 1048576 210846 > 20% > > > > 7606-S-15.3(3)S6#show module > Mod Ports Card Type Model Serial > No. > --- ----- -------------------------------------- ------------------ > ----------- > 1 48 CEF720 48 port 10/100/1000mb Ethernet WS-X6748-GE-TX > 2 48 CEF720 48 port 1000mb SFP WS-X6748-SFP > 3 4 CEF720 4 port 10-Gigabit Ethernet WS-X6704-10GE > 4 48 CEF720 48 port 10/100/1000mb Ethernet WS-X6748-GE-TX > 5 8 CEF720 8 port 10GE with DFC WS-X6708-10GE > 6 5 Route Switch Processor 720 10GE (Activ RSP720-3CXL-10GE > > Mod Sub-Module Model Serial Hw > Status > ---- --------------------------- ------------------ ----------- ------- > ------- > 1 Centralized Forwarding Card WS-F6700-CFC 4.1 Ok > 2 Centralized Forwarding Card WS-F6700-CFC 4.1 Ok > 3 Centralized Forwarding Card WS-F6700-CFC 4.1 Ok > 4 Centralized Forwarding Card WS-F6700-CFC 4.1 Ok > 5 Distributed Forwarding Card WS-F6700-DFC3CXL 1.6 Ok > 6 Policy Feature Card 3 7600-PFC3CXL-10GE 1.2 Ok > 6 C7600 MSFC4 Daughterboard 7600-MSFC4 2.2 Ok > > > 7606-S-15.3(3)S6#show platform hardware pfc mode > PFC operating mode : PFC3CXL > > > 7606-S-15.3(3)S6#show mls cef maximum-routes > FIB TCAM maximum routes : > ======================= > Current :- > ------- > IPv4 + MPLS - 880k (default) > IPv6 - 64k > IP Multicast - 1k > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
