Hi guys, Maybe I'm missing something here, but this looks a bit odd... -- check these v6 bgp entries, they're right ... --- xx-01-xx.xx.xx.net# show bgp ipv6 2001:nn:5600:2600::700 BGP routing table entry for 2001:nn::/32 Paths: (6 available,*best #1*, table Default-IP-Routing-Table) 6939 20860 2001:mm:1f1::108 from 2001:mm:1f1::108 (xx.252.112) (fe80::da84:66ff:feeb:6419) (*used*) Origin IGP, *localpref 700*, valid, external, *multipath*, *best* Large Community: 328112:1:710 328112:2:11 328112:2:111 328112:3:3 AddPath ID: RX 0, TX 79328233 Advertised to: 2c0f:mm:0:2::2 2c0f:mm:10:2::1 Last update: Tue Oct 16 21:52:29 2018 6939 20860 2001:mm:6d1::165 from 2001:mm:6d1::165 (xx.252.112) (fe80::da84:66ff:feeb:6415) (*used*) Origin IGP, *localpref 700*, valid, external, *multipath* Large Community: 328112:1:710 328112:2:10 328112:2:101 328112:3:3 AddPath ID: RX 0, TX 79328194 Last update: Tue Oct 16 21:52:29 2018 6939 20860 2c0f:zz:0:2::2 from 2c0f:zz:0:2::2 (xx.60.1) Origin IGP, localpref 300, valid, internal Large Community: 328112:1:710 328112:2:10 328112:2:102 328112:3:3 328112:100:21 AddPath ID: RX 0, TX 45344833 Last update: Mon Oct 15 13:28:45 2018 6939 20860 2c0f:zz:10:2::1 from 2c0f:zz:10:2::1 (xx.60.1) Origin IGP, localpref 300, valid, internal Large Community: 328112:1:710 328112:2:10 328112:2:102 328112:3:3 328112:100:21 AddPath ID: RX 0, TX 45344474 Last update: Mon Oct 15 13:28:45 2018 [2 more entries removed] -- from vtysh the routes look right too ... -- xx-01-xx.xx.xx.net# show ip route 2001:nn:5600:2600::700 Routing entry for 2001:nn::/32 Known via "bgp", distance 20, metric 0, best Last update 10:55:53 ago * fe80::da84:66ff:feeb:6419, via e2p0v0 * fe80::da84:66ff:feeb:6415, via e1p0v0 -- check these routes ... for some odd reason, the above vtysh commands picked /32 , but thats not the entire issue -- nkukard@xx-01-xx:~# ip -6 route | grep 2001:nn *2001:nn:3333::/48 *via 2c0f:zz:0:2::2 dev e1p1v0.400 proto 186 metric 20 pref medium *2001:nn:3333::/48* via 2c0f:zz:10:2::1 dev e2p1v0.401 proto 186 metric 20 pref medium *2001:nn:3333::/48 *via fe80::da84:66ff:feeb:6415 dev e1p0v0 proto 186 metric 20 pref medium *2001:nn:3333::/48* via fe80::da84:66ff:feeb:6419 dev e2p0v0 proto 186 metric 20 pref medium 2001:nn::/32 via fe80::da84:66ff:feeb:6419 dev e2p0v0 proto 186 metric 20 pref medium 2001:nn::/32 via fe80::da84:66ff:feeb:6415 dev e1p0v0 proto 186 metric 20 pref medium The routes are not being created as multi-path, and routes which should not be active are added. Possibly a mismatch between the add and remove? -N For interest sake, here is the output of the /48 ... -- here is the output for /48 -- xx-01-xx.xx.xx.net# show bgp ipv6 2001:nn:3333::/48 BGP routing table entry for 2001:nn:3333::/48 Paths: (6 available, *best #2*, table Default-IP-Routing-Table) 6939 3356 2001:mm:1f1::108 from 2001:mm:1f1::108 (xx.252.112) (fe80::da84:66ff:feeb:6419) (*used*) Origin IGP, localpref 700, valid, external, *multipath* Large Community: 328112:1:710 328112:2:11 328112:2:111 328112:3:3 AddPath ID: RX 0, TX 79816612 Last update: Tue Oct 16 22:07:13 2018 6939 3356 2001:mm:6d1::165 from 2001:mm:6d1::165 (xx.252.112) (fe80::da84:66ff:feeb:6415) (*used*) Origin IGP, localpref 700, valid, external, *multipath*, *best* Large Community: 328112:1:710 328112:2:10 328112:2:101 328112:3:3 AddPath ID: RX 0, TX 79816391 Advertised to: 2c0f:f3c8:0:2::2 2c0f:f3c8:10:2::1 Last update: Tue Oct 16 22:07:13 2018 6939 3356 2c0f:zz:10:2::1 from 2c0f:zz:10:2::1 (xx.60.1) Origin IGP, localpref 300, valid, internal Large Community: 328112:1:710 328112:2:11 328112:2:112 328112:3:3 328112:100:21 AddPath ID: RX 0, TX 5886849 Last update: Mon Oct 15 13:28:50 2018 37271 3356 2c0f:mm:200:2:2::22 from 2c0f:mm:200:2:2::22 (xx.189.115) (fe80::b2aa:77ff:fe32:40bf) (used) Origin IGP, metric 401, localpref 50, valid, external Community: 3356:2 3356:22 3356:123 3356:500 3356:601 3356:2064 37271:5002 37271:5100 37271:5101 Large Community: 328112:1:710 328112:3:4 328112:3:403 328112:3:4031 AddPath ID: RX 0, TX 549813 Last update: Thu Sep 20 04:13:21 2018 6939 3356 2c0f:zz:0:2::2 from 2c0f:zz:0:2::2 (xx.60.1) Origin IGP, localpref 300, valid, internal Large Community: 328112:1:710 328112:2:11 328112:2:112 328112:3:3 328112:100:21 AddPath ID: RX 0, TX 172320 Last update: Mon Oct 15 13:28:50 2018 37100 37100 3356 2c0f:mm:c:2::b5 from 2c0f:mm:c:2::b5 (xx.0.151) (fe80::86b5:9c07:e2fd:cc80) (used) Origin IGP, localpref 50, valid, external Community: 37100:1 37100:13 Large Community: 328112:1:710 328112:3:4 328112:3:401 328112:3:4011 AddPath ID: RX 0, TX 14726 Last update: Tue Sep 18 22:20:34 2018 -- lets see what the routes look like from vtysh ... looks good ... --- xx-01-xx.xx.xx.net# show ip route 2001:nn:3333::/48 Routing entry for 2001:nn:3333::/48 Known via "bgp", distance 20, metric 0, best Last update 10:51:35 ago * fe80::da84:66ff:feeb:6415, via e1p0v0 * fe80::da84:66ff:feeb:6419, via e2p0v0