Re: kern/52439: ipv6 stops routing randomly

[Roy Marples <roy%marples.name@localhost>]

On 03/10/2017 17:54, Hisashi T Fujinaka wrote:
> Does it make sense that the command "dhcpcd -dB6T --nodhcp6 wm0" on
> netbsd8-amd64 and current-amd64 respond differently?

No it does not.

However, dhcpcd-7.0.0-rc2 on a NetBSD-8.99.1 kernel produces output I 
would expect.

> netbsd8-amd64:
> dhcpcd-7.0.0-rc1 starting
> DUID 00:01:00:01:21:66:7c:2a:00:1b:21:69:c3:70
> wm0: IAID 21:69:c3:70
> wm0: delaying IPv6 router solicitation for 0.3 seconds
> wm1: waiting for carrier
> wm2: waiting for carrier
> wm0: soliciting an IPv6 router
> wm0: sending Router Solicitation
> wm0: Router Advertisement from fe80::201:c0ff:fe09:c062
> wm0: executing `/libexec/dhcpcd-run-hooks' TEST
> interface=wm0
> pid=10146
> reason=TEST
> ifcarrier=up
> ifflags=4294936643
> ifmtu=1500
> ifwireless=0
> nd1_acquired=12346
> nd1_addr1=2603:3004:a:31e3:d2f:8d6c:f504:ffe9/64
> nd1_from=fe80::201:c0ff:fe09:c062
> nd1_now=12346
> nd1_prefix_information1_flags=LA
> nd1_prefix_information1_length=64
> nd1_prefix_information1_pltime=604800
> nd1_prefix_information1_prefix=2603:3004:a:31e3::
> nd1_prefix_information1_vltime=2592000
> nd1_source_address=0001c009c062
> dhcpcd exited
>
> current-amd64:
> dhcpcd-7.0.0-rc2 starting
> DUID 00:01:00:01:1a:4b:2e:ab:00:1b:21:69:c3:70
> wm0: IAID 9f:8f:10:aa
> wm0: delaying IPv6 router solicitation for 0.2 seconds
> wm0: soliciting an IPv6 router
> wm0: sending Router Solicitation
> wm0: sending Router Solicitation
> wm0: sending Router Solicitation
> wm0: sending Router Solicitation
> wm0: no IPv6 Routers available
> timed out
> dhcpcd exited

Are you sure it's not a kernel issue? The failing output just shows that 
dhcpcd sent an RA but didn't receive one.

Roy