I never configured ipv6 with pppoe but the fe80:: address is strange.
Normally this kind of address is never used by the user. It is a link-local
address used mainly for neighbor conversation like auto configuration,
routing and discovery. It should never appear in your configuration.

I have native ipv6 and there is no ipv6 address in ifstatus wan, only for
wan6. I need wan6 because proto is different from wan (dhcpv6 and dhcp). In
your case, maybe only wan might be enough. Try to add the ipv6 option to
your wan config
http://wiki.openwrt.org/doc/uci/network#protocol_pppoe_ppp_over_ethernet
It might be important.

Regards,

Em sex, 9 de out de 2015 17:51, Emmanuel Blot <[email protected]> escreveu:

> Hi,
>
> I'm desperately trying to set up an IPv6 link to my ISP. This ISP
> provides native IPv6 along with IPv4.
>
> I tried to follow IPv6 native tutorial
> (http://wiki.openwrt.org/doc/uci/network6)
>
> So far, pppd daemon shows that IPV6 link addresses are negociated:
>
>   Fri Oct  9 21:57:12 2015 daemon.debug pppd[1891]: sent [IPV6CP
> ConfReq id=0x1 <addr fe80::7840:507d:15d5:2f8b>]
>   Fri Oct  9 21:57:12 2015 daemon.debug pppd[1891]: rcvd [IPV6CP
> ConfReq id=0xb4 <addr fe80::0230:88ff:fe04:63d4>]
>   Fri Oct  9 21:57:12 2015 daemon.debug pppd[1891]: sent [IPV6CP
> ConfAck id=0xb4 <addr fe80::0230:88ff:fe04:63d4>]
>   Fri Oct  9 21:57:12 2015 daemon.debug pppd[1891]: rcvd [IPV6CP
> ConfAck id=0x1 <addr fe80::7840:507d:15d5:2f8b>]
>
> I can ping the local address:
>
>   root@gateway:~# ping -6 fe80::7840:507d:15d5:2f8b
>   PING fe80::7840:507d:15d5:2f8b (fe80::7840:507d:15d5:2f8b): 56 data bytes
>   64 bytes from fe80::7840:507d:15d5:2f8b: seq=0 ttl=64 time=0.858 ms
>   64 bytes from fe80::7840:507d:15d5:2f8b: seq=1 ttl=64 time=0.612 ms
>
> I cannot ping the remote address if I does not specify the interface:
>
>   root@gateway:~# ping -6 fe80::0230:88ff:fe04:63d4
>   PING fe80::0230:88ff:fe04:63d4 (fe80::230:88ff:fe04:63d4): 56 data bytes
>   ^C
>   --- fe80::0230:88ff:fe04:63d4 ping statistics ---
>   6 packets transmitted, 0 packets received, 100% packet loss
>
> However, if I specify the interface:
>
>   root@gateway:~# ping -6 -I pppoe-wan fe80::0230:88ff:fe04:63d4
>   PING fe80::0230:88ff:fe04:63d4 (fe80::230:88ff:fe04:63d4): 56 data bytes
>   64 bytes from fe80::230:88ff:fe04:63d4: seq=0 ttl=255 time=43.002 ms
>   64 bytes from fe80::230:88ff:fe04:63d4: seq=1 ttl=255 time=60.694 ms
>
> ping is successful, then pinging again w/o the interface does work
>
>   root@gateway:~# ping -6 fe80::0230:88ff:fe04:63d4
>   PING fe80::0230:88ff:fe04:63d4 (fe80::230:88ff:fe04:63d4): 56 data bytes
>   64 bytes from fe80::230:88ff:fe04:63d4: seq=0 ttl=255 time=43.083 ms
>   64 bytes from fe80::230:88ff:fe04:63d4: seq=1 ttl=255 time=43.194 ms
>
> I'm not sure why the router does not seem to know how to reach the
> remote host, as the address has been negociated with pppd...
>
> Moreover, whereas 'wan' interface seems ok:
>
>   root@gateway:~# ifstatus wan
>   {
>   "up": true,
>   "pending": false,
>   "available": true,
>   "autostart": true,
>   "uptime": 2784,
>   "l3_device": "pppoe-wan",
>   "proto": "pppoe",
>   "device": "nas0",
>   "updated": [
>   "addresses",
>   "routes"
>   ],
>   "metric": 0,
>   "delegation": false,
>   "ipv4-address": [
>   {
>   "address": "109.190.73.171",
>   "mask": 32
>   }
>   ],
>   "ipv6-address": [
>   {
>   "address": "fe80::7840:507d:15d5:2f8b",
>   "mask": 128
>   }
>   ],
>   "ipv6-prefix": [
>   ],
>   "ipv6-prefix-assignment": [
>   ],
>   "route": [
>   {
>   "target": "0.0.0.0",
>   "mask": 0,
>   "nexthop": "178.32.37.14",
>   "source": "0.0.0.0\/0"
>   }
>   ],
>   "dns-server": [
>   "91.121.61.147",
>   "87.98.149.171"
>   ],
>   "dns-search": [
>   ],
>   "inactive": {
>   "ipv4-address": [
>   ],
>   "ipv6-address": [
>   ],
>   "route": [
>   ],
>   "dns-server": [
>   ],
>   "dns-search": [
>   ]
>   },
>   "data": {
>   }
>   }
>
> 'wan6' interface seems always down:
>
>   root@gateway:~# ifstatus wan6
>   {
>   "up": false,
>   "pending": true,
>   "available": true,
>   "autostart": true,
>   "proto": "dhcpv6",
>   "device": "nas0",
>   "data": {
>   }
>   }
>
> I've not been able to find how to debug this issue, any pointer would be
> great.
>
> Thanks,
> Manu
>
>   root@gateway:~# uname -a
>   Linux gateway 3.18.20 #1 Fri Sep 4 17:16:20 CEST 2015 mips GNU/Linux
>
>   root@gateway:~# cat /etc/openwrt_release
>   DISTRIB_ID='OpenWrt'
>   DISTRIB_RELEASE='15.05'
>   DISTRIB_REVISION='r46767'
>   DISTRIB_CODENAME='chaos_calmer'
>   DISTRIB_TARGET='lantiq/xway'
>   DISTRIB_DESCRIPTION='OpenWrt Chaos Calmer 15.05'
>   DISTRIB_TAINTS=''
>
>   Device: Buffalo WBMR-HP-G300H (ADSL Annex A)
> _______________________________________________
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> [email protected]
> https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-users
>
-- 

Luiz Angelo Daros de Luca
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