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! Cheers, Lennert