Date: Sat, 27 Feb 2021 10:21:16 -0800 From: Doug Hardie <bc979@lafn.org> To: net@freebsd.org Subject: Re: accept_rtadv Message-ID: <D3BC7C05-E039-44B4-8FEF-4CA4E854A9CE@sermon-archive.info> In-Reply-To: <409E9AFD-D9D5-4CA9-A923-F83F99885BDD@grem.de> References: <49F826CA-266F-4A4E-AA8D-978F6F727F8C@sermon-archive.info> <409E9AFD-D9D5-4CA9-A923-F83F99885BDD@grem.de>
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> On 27 February 2021, at 04:37, Michael Gmelin <freebsd@grem.de> wrote: > > > >> On 27. Feb 2021, at 08:21, Doug Hardie <bc979@lafn.org> wrote: >> >> From the Handbook: >> >> 32.9.2. Configuring IPv6 >> To configure a FreeBSD system as an IPv6 client, add these two lines to rc.conf: >> >> ifconfig_rl0_ipv6="inet6 accept_rtadv" >> rtsold_enable="YES" >> >> This does not work. I have in rc.conf: >> >> ifconfig_bge0_ipv6="inet6 accept_rtadv" >> ifconfig_ue0_ipv6="inet6 accept_rtadv" >> ifconfig_ue1_ipv6="inet6 accept_rtadv" >> >> On all three interfaces, ifconfig shows: >> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> >> >> ACCEPT_RTADV is not listed and sure enough router advertisements are ignored. I have to manually enter: >> ifconfig bge0 ipv6 accept_rtadv >> for each interface. Then ifconfig shows: >> >> nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL> >> >> and the interface now accepts router advertisements. This is a bug, but I don't kn >> ow if it's in the code or the handbook. >> > > I just tried here on 12.2-p4 with em0 and it worked as expected. I do have ipv4 configured on that interface too though. > > Do you have anything else in your rc.conf (especially any other ifconfig lines)? > > If not, could you try adding > > ifconfig_bge0="up" > etc. ### IPv6 Setup ### ifconfig_bge0_ipv6="inet6 accept_rtadv" ifconfig_bge0_ipv6="inet6 fec2::210 prefixlen 64" ipv6_static_routes="lan1 lan2" ipv6_route_lan1="fec1:: -prefixlen 64 fec2::205" ipv6_route_lan2="fec2:: -prefixlen 64 fec2::205" That is all associated with IPv6. IPv4 is configured and used. -- Doug
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