> On Feb 27, 2021, at 11:06, Michael Gmelin <free...@grem.de> wrote: > > > >> On 27. Feb 2021, at 19:40, Doug Hardie <bc...@lafn.org> wrote: >> >>> On 27 February 2021, at 10:34, Michael Gmelin <free...@grem.de> wrote: >>> >>> >>> >>>> On 27. Feb 2021, at 19:21, Doug Hardie <bc...@lafn.org> wrote: >>>> >>>> >>>>>> On 27 February 2021, at 04:37, Michael Gmelin <free...@grem.de> wrote: >>>>>> >>>>>> >>>>>> >>>>>>> On 27. Feb 2021, at 08:21, Doug Hardie <bc...@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 ### >>> >>> Well, here you set "ifconfig_bge0_ipv6" to one value >>> >>>> ifconfig_bge0_ipv6="inet6 accept_rtadv" >>> >>> And there you overwrite it with a new value >>> >>>> ifconfig_bge0_ipv6="inet6 fec2::210 prefixlen 64" >>> >>> Therefore, the first line has no effect at all. >>> >>> You can double check this by calling >>> >>> sysrc ifconfig_bge0_ipv6 >>> >>> Setting all things in one config setting might work (haven’t tried it >>> myself), like in >>> >>> ifconfig_bge0_ipv6="inet6 fec2::210 prefixlen 64 accept_rtadv" >>> >>> -m >>> >>>> >>>> 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 >> >> You are supposed to be able to sent multiple IP addresses on an interface >> and that generally works. From the handbook, I get that the >> "ifconfig_rl0_ipv6="inet6 accept_rtadv" line causes the default link-local >> addresses to be configured and should set accept_rtadv. The other lines >> should just add additional IP addresses. Logically, adding the accept_rtadv >> in each seems a bit much. Although, that is the way it worked in FreeBSD 9. >> That was documented in the handbook at that time. Adding additional IP >> addresses should not clear any of the interface flags unless included in the >> command. >> > > rc.conf is key value in general, the format is > > key=value1 > > If you write further done in the file > > key=differentvalue > > the value of key will be "differentvalue", like the first line never existed. > (This is unrelated to IPv6 or router advertisements, just the basic principle > of rc.conf). > > One way I used to configure things like that in the past was using one > ifconfig_<interface>_ipv6 line to set flags etc and then use > ifconfig_<interface>_aliases to set ip addresses. > > Something like > > ifconfig_bge0_ipv6="inet6 accept_rtadv" > ifconfig_bge0_aliases="inet6 fec2::210 prefixlen 64" > > (I haven’t tried this, as I’m afk and typed it on the phone, which is a bit > of a pita, and from the top of my head,so you would have to try/verify > yourself). > > -m
Ahh. The handbook is needing a note about that. There should be something similar to what was done for IPv4 where it shows adding additional addresses using: Ifconfig_bge0_alias0 ... Ifconfig_bge0_alias1 ... That would be very helpful. Thanks for the explinations. — Doug _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
