Have you configured a load balance policy for your forwarding-table ? m...@lab1_mx960> show configuration policy-options policy-statement Load-Balance-Policy then { load-balance per-packet; }
m...@lab1_mx960> show configuration routing-options forwarding-table export Load-Balance-Policy; to load balance your traffic you need to enable it at forwarding table. Kind Regards Arda > I need your input regarding BGP loadbalancing with multipath option. > > In JNCIP-M study guide, one of the requirement given in iBGP case study is > to "Redistribute a summary of the RIP routes into IBGP from both r6 and r7" > and in second requiement "r5 must IBGP load-balance to the summary route > representing the RIP prefixes". > > After advetiseing RIP summary route (192.168.0.0/22) from R6 and R7. R5 > router is able to see two viable next-hops after enabling multipath in R5 > ibgp group but in forwarding table of R5 shows only one path via R6 is > available. > > My question is: > > Is only enabling multipath option will achive above mention requirement > regarding BGP loadbalancing ? > > As junos perform per-prefix loadbalncing by default so the iBGP case study > requiremnt that "r5 must IBGP load-balance to the summary route > representing > the RIP prefixes" cannot be achiedved by with multipath only. All other > router behind R5 router also following the same path as chosen by R5. > > some output from test senario are below: > > aa...@lab1 <aa...@lab1># run show route protocol bgp logical-router R5 > 192.168.0.0/22 > inet.0: 80 destinations, 136 routes (80 active, 0 holddown, 0 hidden) > + = Active Route, - = Last Active, * = Both > 192.168.0.0/22 *[BGP/170] 01:50:49, localpref 100, from 10.0.9.6 > AS path: I > > to 10.0.8.6 via lt-1/2/0.116 > to 10.0.8.10 via lt-1/2/0.117 > [BGP/170] 01:50:49, localpref 100, from 10.0.9.7 > AS path: I > > to 10.0.8.10 via lt-1/2/0.117 > [edit] > aa...@lab1# > > Forwarding table: > Logical router: R5 > Routing table: inet > Internet: > Destination Type RtRef Next hop Type Index NhRef Netif > 192.168.0.0/22 user 0 indr 262148 3 > 10.0.8.6 ucst 974 > 7 lt-1/2/0.116 > > > Any input is more then welcome. > > Regards. > Aamir > _______________________________________________ > juniper-nsp mailing list juniper-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp