On Mon Jan 12, 2026 at 12:17 PM CET, Stuart Henderson wrote: > On 2026-01-11, Remi Locherer <[email protected]> wrote: >> Hi, >> >> For a BGP route reflector setup I want to set next hop self >> towards iBGP peers. But only for routes learnt through eBGP. >> >> In the RIB I can see this: >> >> dut# bgpctl sh rib det 172.0.42.0/24 >> >> BGP routing table entry for 172.0.42.0/24 >> Nexthop 10.100.0.10 (via 10.1.0.2) Neighbor r1 (10.100.0.10) >> Origin IGP, metric 0, localpref 100, weight 0, ovs not-found, avs >> unknown, internal, valid, best >> >> ^^^^^^^^ >> Last update: 00:58:22 ago >> Originator Id: 10.100.0.10 >> Cluster Id List: 10.0.0.42 >> >> BGP routing table entry for 172.0.42.0/24 >> Nexthop 10.100.0.10 (via 10.1.0.2) Neighbor rr2 (10.100.0.2) >> Origin IGP, metric 0, localpref 100, weight 0, ovs not-found, avs >> unknown, internal, valid, ecmp >> >> ^^^^^^^^ >> Last update: 00:58:24 ago >> Originator Id: 10.100.0.10 >> Cluster Id List: 10.0.0.42 10.0.0.43 >> >> BGP routing table entry for 172.0.42.0/24 >> 65101 65000 >> Nexthop 10.1.0.14 (via 10.1.0.14) Neighbor x1 (172.42.42.1) >> Origin IGP, metric 0, localpref 100, weight 0, ovs not-found, avs >> unknown, external >> >> ^^^^^^^^ >> Last update: 00:58:24 ago >> Originator Id: 10.100.0.1 >> Cluster Id List: 10.0.0.42 >> dut# >> >> With "set nexthop self" for a given neighbor the nexthop is changed >> unconditinally for this neighbor. How can I match only on external >> routes? > > I have this, is that what you're after? (obviously skip the community > setting if you don't want it). > > match from ebgp set { community $ASN:neighbor-as, nexthop self }
I was looking for a way to define it per peer. But actually it works fine with "match from ebgp ...". Thank you!
