On 7/5/17 9:39 AM, Lennert Buytenhek wrote: > Hi! > > FWIW, this doesn't work: > > # ip -6 route add 1234::/16 \ > nexthop encap mpls 10 via fe80::1 dev ens3 \ > nexthop encap mpls 20 via fe80::1 dev ens3 > RTNETLINK answers: File exists > > While this does: > > # ip -6 route chg 1234::/16 > nexthop encap mpls 10 via fe80::1 dev ens3 > nexthop encap mpls 20 via fe80::2 dev ens3 > # ip -6 route > 1234::/16 encap mpls 10 via fe80::1 dev ens3 metric 1024 pref medium > 1234::/16 encap mpls 20 via fe80::2 dev ens3 metric 1024 pref medium > [...] > > ECMPing over different LSPs that share a nexthop router seems like a > legitimate use case to me. Is this restriction intentional or just an > accident? (The same thing works fine in v4 land, where multipath > routes are handled differently.) > > Thanks in advance!
Seems like a failure to compare lwt state. Will send a patch.
