<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
</head>
<body text="#000000" bgcolor="#FFFFFF">
<p>Hi guys,</p>
<p>Maybe I'm missing something here, but this looks a bit odd...</p>
<p>-- check these v6 bgp entries, they're right ... ---<br>
</p>
<p>xx-01-xx.xx.xx.net# show bgp ipv6 2001:nn:5600:2600::700<br>
BGP routing table entry for 2001:nn::/32<br>
Paths: (6 available,<b> best #1</b>, table
Default-IP-Routing-Table)<br>
6939 20860<br>
2001:mm:1f1::108 from 2001:mm:1f1::108 (xx.252.112)<br>
(fe80::da84:66ff:feeb:6419) (<b>used</b>)<br>
Origin IGP, <b>localpref 700</b>, valid, external, <b>multipath</b>,
<b>best</b><br>
Large Community: 328112:1:710 328112:2:11 328112:2:111
328112:3:3<br>
AddPath ID: RX 0, TX 79328233<br>
Advertised to: 2c0f:mm:0:2::2 2c0f:mm:10:2::1<br>
Last update: Tue Oct 16 21:52:29 2018<br>
<br>
6939 20860<br>
2001:mm:6d1::165 from 2001:mm:6d1::165 (xx.252.112)<br>
(fe80::da84:66ff:feeb:6415) (<b>used</b>)<br>
Origin IGP, <b>localpref 700</b>, valid, external, <b>multipath</b><br>
Large Community: 328112:1:710 328112:2:10 328112:2:101
328112:3:3<br>
AddPath ID: RX 0, TX 79328194<br>
Last update: Tue Oct 16 21:52:29 2018<br>
<br>
6939 20860<br>
2c0f:zz:0:2::2 from 2c0f:zz:0:2::2 (xx.60.1)<br>
Origin IGP, localpref 300, valid, internal<br>
Large Community: 328112:1:710 328112:2:10 328112:2:102
328112:3:3 328112:100:21<br>
AddPath ID: RX 0, TX 45344833<br>
Last update: Mon Oct 15 13:28:45 2018<br>
<br>
6939 20860<br>
2c0f:zz:10:2::1 from 2c0f:zz:10:2::1 (xx.60.1)<br>
Origin IGP, localpref 300, valid, internal<br>
Large Community: 328112:1:710 328112:2:10 328112:2:102
328112:3:3 328112:100:21<br>
AddPath ID: RX 0, TX 45344474<br>
Last update: Mon Oct 15 13:28:45 2018</p>
<p>[2 more entries removed]</p>
<p><br>
</p>
<p>-- from vtysh the routes look right too ... --<br>
</p>
<p><br>
</p>
<p>xx-01-xx.xx.xx.net# show ip route 2001:nn:5600:2600::700<br>
Routing entry for 2001:nn::/32<br>
Known via "bgp", distance 20, metric 0, best<br>
Last update 10:55:53 ago<br>
* fe80::da84:66ff:feeb:6419, via e2p0v0<br>
* fe80::da84:66ff:feeb:6415, via e1p0v0<br>
</p>
<p><br>
</p>
<p>-- check these routes ... for some odd reason, the above vtysh
commands picked /32 , but thats not the entire issue --</p>
<p>nkukard@xx-01-xx:~# ip -6 route | grep 2001:nn<br>
<font color="#ff0000"><b>2001:nn:3333::/48 </b>via 2c0f:zz:0:2::2
dev e1p1v0.400 proto 186 metric 20 pref medium<br>
<b>2001:nn:3333::/48</b> via 2c0f:zz:10:2::1 dev e2p1v0.401
proto 186 metric 20 pref medium</font><br>
<b>2001:nn:3333::/48 </b>via fe80::da84:66ff:feeb:6415 dev e1p0v0
proto 186 metric 20 pref medium<br>
<b>2001:nn:3333::/48</b> via fe80::da84:66ff:feeb:6419 dev e2p0v0
proto 186 metric 20 pref medium<br>
2001:nn::/32 via fe80::da84:66ff:feeb:6419 dev e2p0v0 proto 186
metric 20 pref medium<br>
2001:nn::/32 via fe80::da84:66ff:feeb:6415 dev e1p0v0 proto 186
metric 20 pref medium<br>
</p>
<p><br>
</p>
<p>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?<br>
</p>
<p><br>
</p>
<p>-N<br>
</p>
<p><br>
</p>
<p><br>
</p>
<p><br>
</p>
<p>For interest sake, here is the output of the /48 ...<br>
</p>
<p><br>
</p>
<p><br>
</p>
<p>-- here is the output for /48 --</p>
<p>xx-01-xx.xx.xx.net# show bgp ipv6 2001:nn:3333::/48 <br>
BGP routing table entry for 2001:nn:3333::/48<br>
Paths: (6 available, <b>best #2</b>, table
Default-IP-Routing-Table)<br>
6939 3356<br>
2001:mm:1f1::108 from 2001:mm:1f1::108 (xx.252.112)<br>
(fe80::da84:66ff:feeb:6419) (<b>used</b>)<br>
Origin IGP, localpref 700, valid, external, <b>multipath</b><br>
Large Community: 328112:1:710 328112:2:11 328112:2:111
328112:3:3<br>
AddPath ID: RX 0, TX 79816612<br>
Last update: Tue Oct 16 22:07:13 2018<br>
<br>
6939 3356<br>
2001:mm:6d1::165 from 2001:mm:6d1::165 (xx.252.112)<br>
(fe80::da84:66ff:feeb:6415) (<b>used</b>)<br>
Origin IGP, localpref 700, valid, external, <b>multipath</b>,
<b>best</b><br>
Large Community: 328112:1:710 328112:2:10 328112:2:101
328112:3:3<br>
AddPath ID: RX 0, TX 79816391<br>
Advertised to: 2c0f:f3c8:0:2::2 2c0f:f3c8:10:2::1<br>
Last update: Tue Oct 16 22:07:13 2018<br>
<br>
6939 3356<br>
2c0f:zz:10:2::1 from 2c0f:zz:10:2::1 (xx.60.1)<br>
Origin IGP, localpref 300, valid, internal<br>
Large Community: 328112:1:710 328112:2:11 328112:2:112
328112:3:3 328112:100:21<br>
AddPath ID: RX 0, TX 5886849<br>
Last update: Mon Oct 15 13:28:50 2018<br>
<br>
37271 3356<br>
2c0f:mm:200:2:2::22 from 2c0f:mm:200:2:2::22 (xx.189.115)<br>
(fe80::b2aa:77ff:fe32:40bf) (used)<br>
Origin IGP, metric 401, localpref 50, valid, external<br>
Community: 3356:2 3356:22 3356:123 3356:500 3356:601
3356:2064 37271:5002 37271:5100 37271:5101<br>
Large Community: 328112:1:710 328112:3:4 328112:3:403
328112:3:4031<br>
AddPath ID: RX 0, TX 549813<br>
Last update: Thu Sep 20 04:13:21 2018<br>
<br>
6939 3356<br>
2c0f:zz:0:2::2 from 2c0f:zz:0:2::2 (xx.60.1)<br>
Origin IGP, localpref 300, valid, internal<br>
Large Community: 328112:1:710 328112:2:11 328112:2:112
328112:3:3 328112:100:21<br>
AddPath ID: RX 0, TX 172320<br>
Last update: Mon Oct 15 13:28:50 2018<br>
<br>
37100 37100 3356<br>
2c0f:mm:c:2::b5 from 2c0f:mm:c:2::b5 (xx.0.151)<br>
(fe80::86b5:9c07:e2fd:cc80) (used)<br>
Origin IGP, localpref 50, valid, external<br>
Community: 37100:1 37100:13<br>
Large Community: 328112:1:710 328112:3:4 328112:3:401
328112:3:4011<br>
AddPath ID: RX 0, TX 14726<br>
Last update: Tue Sep 18 22:20:34 2018<br>
</p>
<p><br>
</p>
<p>-- lets see what the routes look like from vtysh ... looks good
... ---</p>
<p>xx-01-xx.xx.xx.net# show ip route 2001:nn:3333::/48<br>
Routing entry for 2001:nn:3333::/48<br>
Known via "bgp", distance 20, metric 0, best<br>
Last update 10:51:35 ago<br>
* fe80::da84:66ff:feeb:6415, via e1p0v0<br>
* fe80::da84:66ff:feeb:6419, via e2p0v0<br>
</p>
<p><br>
</p>
<p><br>
</p>
<p><br>
</p>
<p><br>
</p>
<p><br>
</p>
<p><br>
</p>
<p><br>
</p>
</body>
</html>