Public bug reported:
I'm using ipv6 on a tun device. My router (a debian system) sends out router
advertisements using radvd which are received by my ubuntu machine and used for
address generation.
Although the ra's include route information, this is ignored.
The interface uses the fec1::/64 prefix and routing is advertised for fec0::/64.
I cannot add this route to /etc/network/interfaces, as it comes up after vpn is
started.
radvdump:
interface tap0
{
AdvSendAdvert on;
prefix fec1::/64
{
}; # End of prefix definition
route fec0::/64
{
AdvRouteLifetime 30;
}; # End of route definition
RDNSS fec1::254
{
AdvRDNSSLifetime 10;
}; # End of RDNSS definition
}; # End of interface definition
rdisc6 ::
rdisc6 tap0
Soliciting ff02::2 (ff02::2) on tap0...
Hop limit : 64 ( 0x40)
Stateful address conf. : No
Stateful other conf. : No
Router preference : medium
Router lifetime : 30 (0x0000001e) seconds
Reachable time : unspecified (0x00000000)
Retransmit time : unspecified (0x00000000)
Prefix : fec1::/64
Valid time : 2592000 (0x00278d00) seconds
Pref. time : 604800 (0x00093a80) seconds
Route : fec0::/64
Route preference : medium
Route lifetime : 30 (0x0000001e) seconds
Recursive DNS server : fec1::254
DNS server lifetime : 10 (0x0000000a) seconds
Source link-layer address: EE:18:EC:79:D5:2E
from fe80::ec18:ecff:fe79:d52e
** Affects: ubuntu
Importance: Undecided
Status: New
--
routes ignored advertised in ipv6 router advertisement packets
https://bugs.launchpad.net/bugs/235258
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