IPv6 works on em0 () but not on em1 () - what's wrong?,IPv6 works on em0 () but not on em1 () - what's wrong?

[Lev Serebryakov]

Hello Hiroki,

Wednesday, January 11, 2017, 2:43:28 AM, you wrote:

>  What happens by typing the following command?
>  % ping6 ff02::1%em1

% ping6 ff02::1%em1
PING6(56=40+8+8 bytes) fe80::225:90ff:fe24:6bf8%em1 --> ff02::1%em1
16 bytes from fe80::225:90ff:fe24:6bf8%em1, icmp_seq=0 hlim=64 time=0.163 ms
16 bytes from fe80::222:4dff:fe9d:e093%em1, icmp_seq=0 hlim=64 time=0.737 ms(DUP!)
16 bytes from fe80::225:90ff:fe24:6bf8%em1, icmp_seq=1 hlim=64 time=0.132 ms
16 bytes from fe80::222:4dff:fe9d:e093%em1, icmp_seq=1 hlim=64 time=0.766 ms(DUP!)
16 bytes from fe80::225:90ff:fe24:6bf8%em1, icmp_seq=2 hlim=64 time=0.086 ms
16 bytes from fe80::222:4dff:fe9d:e093%em1, icmp_seq=2 hlim=64 time=0.713 ms(DUP!)
...

 BTW, when I add address and default route by hands, everything starts to
work. So, this NIC doesn't have problems with IPv6 per se! Looks like some
weird configuration problem.

-- 
Best regards,
 Lev                            mailto:lev at FreeBSD.org