Maybe this option could help: http://www.cisco.com/c/en/us/td/docs/ios/ipswitch/command/reference/isw_book/isw_c1.html#wp1030372
However I have never met this. Anyone has ever used this on 7600 platform ? Regards, 2015-01-22 10:59 GMT+01:00 Xavier Nicollet <[email protected]>: > Hi, > > I have an issue with cef load-sharing used as a way to load-balance > servers. > > Cisco CEF tends to simplify some path, as in this exemple: > > ip route 10.30.30.30/32 web1 (directly attached) > ip route 10.30.30.30/32 web2 (remote site) > ip route 10.30.30.30/32 web3 (remote site) > > We would like to have each server with a weight of 1, having one third of > the traffic. > > However, CEF will count remote site as just one destination, leading to: > > #show ip cef 10.30.30.30 internal > 10.30.30.30/32, epoch 8, RIB[S], refcount 6, per-destination sharing > /SNIP/ > output chain: > loadinfo 1A4EDAB4, per-session, 2 choices, flags 0083, 5 locks > flags: Per-session, for-rx-IPv4, 2buckets > 2 hash buckets > < 0 > IP adj out of Vlan9, addr 10.14.9.1 > < 1 > IP adj out of TenGigabitEthernet6/4, addr /SNIP/ > > Has you see all the destination that lead to path Te6/4 will be accounted > for just one path. > This is very annoying since we have the same routes configured on remote > site, which can lead to routing loops for some > @IP src / @IP dst couples. > > Is there a way to force the router to put exactly the same weight for each > entry, without any path optimisation ? > > We are using cisco 7600 with RSP720. To my knowledge, openflow and such > are not supported on this platform, right ? > > Thank you for your help, > > -- > Xavier Nicollet > -- Xavier Nicollet _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
