[Bug 233283] IPv6 routing problem when using FreeBSD as a VPS at a cloud provider

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233283

Jamie Landeg-Jones <jamie at catflap.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jamie at catflap.org

--- Comment #16 from Jamie Landeg-Jones <jamie at catflap.org> ---
(In reply to Bjoern A. Zeeb from comment #4)

I have some VPS with vultr, and their default freebsd image seems to be set up
in a similar way, though they use accept_rtadv.

Your router-ping idea works there:

catflap% netstat -rn6|grep vtnet0

default                           fe80::fc00:ff:fe05:f2a7%vtnet0 UG    20736465
  1500   vtnet0
2001:19f0:300:2185::/64           link#1                        U             0
  1500   vtnet0
fe80::%vtnet0/64                  link#1                        U        343447
  1500   vtnet0
fe80::5400:ff:fe05:f2a7%vtnet0    link#1                        UHS         107
 16384      lo0

catflap% ping6 -n ff02::2%vtnet0
PING6(56=40+8+8 bytes) fe80::5400:ff:fe05:f2a7%vtnet0 --> ff02::2%vtnet0
16 bytes from fe80::fc00:ff:fe05:f2a7%vtnet0, icmp_seq=0 hlim=64 time=0.149 ms
16 bytes from fe80::fc00:ff:fe05:f2a7%vtnet0, icmp_seq=1 hlim=64 time=0.130 ms
16 bytes from fe80::fc00:ff:fe05:f2a7%vtnet0, icmp_seq=2 hlim=64 time=0.149 ms
^C
--- ff02::2%vtnet0 ping6 statistics ---
3 packets transmitted, 3 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.130/0.143/0.149/0.009 ms

catflap% grep vtnet0_ipv6 /etc/rc.conf
ifconfig_vtnet0_ipv6="inet6 2001:19f0:300:2185::1:1 prefixlen 64 accept_rtadv"

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