On Mon, Jul 30, 2018 at 12:02 AM Torbjorn Jansson <torbjorn.jans...@mbox200.swipnet.se> wrote: > > On 2018-07-29 22:16, Hans Dedecker wrote: > > On Fri, Jul 27, 2018 at 2:36 PM Torbjorn Jansson > > <torbjorn.jans...@mbox200.swipnet.se> wrote: > >> > >> Hello > >> > >> i decided to try to upgrade my erx-sfp from an old snapshot (probably a > >> year or > >> so old) to 18.06-rc2. > >> for the most part it worked out but there is something odd going on with > >> my 6rd > >> wan interface and i'm not sure where to start the troubleshooting. > >> > >> with luci-proto-ipv6 and 6rd packages installed i get a lot of stuff like > >> this > >> in syslog: > >> 14:29:07 2018 daemon.notice netifd: wan6 (24771): Command failed: Unknown > >> error > >> 14:29:07 2018 daemon.notice netifd: Interface 'wan6' is now down > >> 14:29:07 2018 daemon.notice netifd: Interface 'wan6' is setting up now > >> 14:29:08 2018 daemon.notice netifd: wan6 (24856): Command failed: Unknown > >> error > >> 14:29:08 2018 daemon.notice netifd: Interface 'wan6' is now down > >> 14:29:08 2018 daemon.notice netifd: Interface 'wan6' is setting up > >> (dates removed to make log easier to fit in mail without line breaks) > >> > >> this repeats every second and 6rd interface seems to get ip adress but it > >> is > >> not quite working. > >> > >> plus i noticed under Network -> Interfaces in webinterface i now have two > >> similar looking 6rd interfaces. > >> one named WAN6 and thats the one i created and another one that cant be > >> edited > >> that's called WAN_6 > >> > >> WAN6 is listed as protocol: IPv6-over-IPv4 (6rd) > >> WAN_6 is listed as protocol: Virtual dynamic interface (IPv6-over-IPv4 > >> (6rd)) > >> > >> the last interface must be something new or a problem or something. > >> it is also that interface that gets the ipv6 addresses. > >> > >> > >> any idea whats wrong? > >> or how to find out what command failed in the log? > > Hi, > > > > You cannot enable both an automatic 6rd interface (wan_6) and a manual > > created 6rd interface (wan6); Either remove the manual created 6rd > > interface or set iface6rd to 0 in the wan network config which will > > disable the automatic creation of the 6rd wan_6 interface > > > > Hans > > i'm not sure i get it. > where is the auto created 6rd interface that can't be edited coming from if > not > from the one i created myself? The auto created 6rd interface is created by the dhcp script (https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob;f=package/network/config/netifd/files/lib/netifd/dhcp.script;h=00604f40e70e8ba988bde6af04437d326b5b548a;hb=HEAD#l62) in case the 6rd DHCP option is received. So it seems your ISP is providing 6rd info via DHCP > > the errors stopped once i changed "bring up on boot" on wan6 and ipv6 still > works (after reboot) but i don't understand why. This confirms my statement above about 6rd info being provided by DHCP > > the config i'm running with is exactly the same as i had on old version of > openwrt/lede and it worked just fine. > i guess something is different now. Pretty sure nothing has changed recently related to the 6rd logic; I guess it's a race condition between the wan_6 and wan6 interface which was before not visible > if i delete wan6 then I delete all 6rd settings like remote ipv4 address, the > ipv6 prefix and so on. If the automatic created 6rd interface gives you IPv6 connectivity there's no reason to keep the manual created wan6 interface
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