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Date: Fri, 15 Apr 2011 23:30:30 +1000
From: Mattia Rossi <mrossi@swin.edu.au>
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To: Marcin Cieslak <saper@saper.info>
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Cc: freebsd-current@freebsd.org
Subject: Re: IPv6 tunnel problem
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I have accept_rtadv enabled if it's not a router. See my post.

ifconfig with tunnel up is:

ifconfig
bge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
 
options=8009b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,LINKSTATE>
         ether 00:0d:9d:51:d4:7e
         inet 136.186.229.112 netmask 0xffffff00 broadcast xxx.xxx.xxx.xxx
         inet6 fe80::xxxx:xxxx:xxxx:xxxx%bge0 prefixlen 64 scopeid 0x5
         inet6 xxxx:xxxx:xxxx:xxxx::xxxx prefixlen 64 duplicated
         nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
         media: Ethernet autoselect (1000baseT <full-duplex>)
         status: active
fxp0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
 
options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO>
         ether 00:02:b3:eb:28:b0
         media: Ethernet autoselect (none)
         status: no carrier
plip0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> metric 0 mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
         options=3<RXCSUM,TXCSUM>
         inet 127.0.0.1 netmask 0xff000000
         inet6 ::1 prefixlen 128
         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x8
         nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1280
         options=80000<LINKSTATE>
         inet6 fe80::xxxx:xxxx:xxxx:xxxx%tun0 prefixlen 64 scopeid 0x9
         inet6 xxxx:xxxx:xxxx::xxxx --> xxxx:xxxx:xxxx::xxxx prefixlen 128
         nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
         Opened by PID 17726


I canceled the address in case you wonder.

Mat
On 15/04/2011 17:54, Marcin Cieslak wrote:
>>> Mattia Rossi<mrossi@swin.edu.au>  wrote:
>> fxp0 and em0
>
> Can you show us what does "ifconfig" say on
> your interfaces? There are few parameters
> for the ICMPv6 Neighbor Discovery Protocol
> that might be needed:
>   "ifconfig em0 inet6 accept_rtadv"
>
> Those are nicely documented in ifconfig(8).
>
> This is usually handled by the /etc/rc.d/*
> stuff IF you have a current version of
> /etc/rc.conf settings. (They changed a bit
> in the meantime).
>
> //Marcin
>
>
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