Re: IPv6 networking stops on FreeBSD some time after boot
Date: Thu, 24 Sep 2026 18:45:13 UTC
On 9/24/26 21:33, Dmitry Salychev wrote: > Farooq Karimi Zadeh <hapu@riseup.net> writes: > >> On 9/24/26 18:24, Dmitry Salychev wrote: >>> Farooq Karimi Zadeh <hapu@riseup.net> writes: >>> >>>> On 9/24/26 13:43, Marek Zarychta wrote: >>>>> On 24.09.2026 at 09:18, Farooq Karimi Zadeh wrote: >>>>>> This is output of "ndisc6 fe80::1 vtnet0": >>>>>> Soliciting fe80::1 (fe80::1) on vtnet0... Target link-layer >>>>>> address: xx:xx:xx:xx:xx:xx from fe80::1 >>>>> BTW, aren't you blocking icmp6 with any firewall ? >>>>> >>>> >>>> I don't have any firewall running. >>> Not on your FreeBSD installation, but there could a firewall running >>> by >>> the hoster itself, e.g. Netcup has such an option, but they don't block >>> icmp6 by default IIRC. >>> >>>> >>>>> Am 24.09.26 um 09:18 schrieb Farooq Karimi Zadeh: >>>>>> This is output of "ndisc6 fe80::1 vtnet0": >>>>>> >>>>>> Soliciting fe80::1 (fe80::1) on vtnet0... >>>>>> Target link-layer address: xx:xx:xx:xx:xx:xx >>>>>> from fe80::1 >>>>> So that is working. Was it when network connectivity was broken? >>>> >>>> Yup. >>> Regards, >>> Dmitry >>> >> >> If they have such a thing, it shouldn't work at all. right? It works >> for 10-20 minutes since a reboot. >> >> Another thing I noticed is that when I remove the address >> fe80::be24:11ff:febd:184b from vtnet0, it starts working again. Sorry >> for not sharing this earlier... >> >> Farooq, > > It depends on the types of the ICMPv6 packets passed/blocked. Hmm, could > you try both of those? > > traceroute6 example.com > > and > > traceroute6 -I example.com > > Regards, > Dmitry > "traceroute6 example.com" doesn't show anything. According to the manpage "-l" flag is ignored. I have sent them an email to see if the ICMPv6 packets reach their Gateway. Farooq.