[FS#95] system looses IPv6 prefix after valid_lft reaches 0

[LEDE Bugs]

The following task has a new comment added:

FS#95 - system looses IPv6 prefix after valid_lft reaches 0
User who did this - Matthias Baur (baurmatt)

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I'm still seeing those issues:

Client:

user at exmaple-ThinkPad:~$ ip -6 r
2003:8c:4b21:8201::147 dev wlp3s0  proto kernel  metric 256  expires 13893sec pref medium
2003:8c:4b21:8201::/64 dev wlp3s0  proto kernel  metric 256  expires 13612sec pref medium
2003:8c:4b21:8200::/56 via fe80::6038:e0ff:feb8:e580 dev wlp3s0  proto ra  metric 600  pref medium
fdf1:f673:aad0:1::147 dev wlp3s0  proto kernel  metric 256  pref medium
fdf1:f673:aad0:1::/64 dev wlp3s0  proto kernel  metric 256  expires 604756sec pref medium
fdf1:f673:aad0::/48 via fe80::6038:e0ff:feb8:e580 dev wlp3s0  proto ra  metric 600  pref medium
fe80::/64 dev wlp3s0  proto kernel  metric 256  pref medium
default via fe80::6038:e0ff:feb8:e580 dev wlp3s0  proto static  metric 600  pref medium


Router:

root at LEDE:~# ip -6 r
default from 2003:8c:4b21:8200::/56 via fe80::230:88ff:fe01:fd21 dev pppoe-wan  metric 512 
default from 2003:8c:4b7f:a182::/64 via fe80::230:88ff:fe01:fd21 dev pppoe-wan  metric 512 
2003:8c:4b21:8200::/64 dev br-guest  metric 1024 
2003:8c:4b21:8201::/64 dev br-lan  metric 1024 
unreachable 2003:8c:4b21:8200::/56 dev lo  metric 2147483647  error -113
2003:8c:4b7f:a182::/64 dev pppoe-wan  metric 256 
fdf1:f673:aad0::/64 dev br-guest  metric 1024 
fdf1:f673:aad0:1::/64 dev br-lan  metric 1024 
unreachable fdf1:f673:aad0::/48 dev lo  metric 2147483647  error -113
fe80::/64 dev br-lan  metric 256 
fe80::/64 dev wlan1  metric 256 
fe80::/64 dev br-guest  metric 256 
fe80::/64 dev wlan1-1  metric 256 
fe80::/64 dev wlan0  metric 256 
fe80::/64 dev wlan0-1  metric 256 
fe80::/64 dev eth1  metric 256 
fe80::/10 dev pppoe-wan  metric 1 
fe80::/10 dev pppoe-wan  metric 256 
unreachable default dev lo  metric -1  error -101
ff00::/8 dev br-lan  metric 256 
ff00::/8 dev br-guest  metric 256 
ff00::/8 dev wlan1  metric 256 
ff00::/8 dev wlan1-1  metric 256 
ff00::/8 dev wlan0  metric 256 
ff00::/8 dev wlan0-1  metric 256 
ff00::/8 dev eth1  metric 256 
ff00::/8 dev pppoe-wan  metric 256 
unreachable default dev lo  metric -1  error -101


Using LEDE Reboot (17.01.4, r3560-79f57e422d)

Can this please be reopened?
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=95#comment3963