Re: IPv6 networking stops on FreeBSD some time after boot
Date: Thu, 24 Sep 2026 18:03:32 UTC
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 -- https://wiki.freebsd.org/DmitrySalychev