SixXS::Sunset 2017-06-06

routing not operating but everything the rest is OK !
[dk] Shadow Hawkins on Thursday, 07 November 2013 14:19:48
I have setup a tunnel on my debian server using sixxs. It's working fine. Now I want it to act as a router for my local network. So I installed radvd, and config it and allowed ipv6 forwarding on the server :
root@blackblock:~# cat /etc/radvd.conf interface eth0 { AdvSendAdvert on; prefix 2001:16d8:dd00:207::/64 { AdvOnLink on; AdvAutonomous on; }; }; root@blackblock:~# cat /proc/sys/net/ipv6/conf/all/forwarding 1 root@blackblock:~#
My server got ipv6 address :
root@blackblock:~# ifconfig eth0 Link encap:Ethernet HWaddr bc:5f:f4:73:a7:e0 inet adr:192.168.87.2 Bcast:192.168.87.255 Masque:255.255.255.0 adr inet6: 2001:16d8:dd00:207::a/64 Scope:Global adr inet6: fe80::be5f:f4ff:fe73:a7e0/64 Scope:Lien UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:5717862 errors:0 dropped:0 overruns:0 frame:0 TX packets:12073249 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 lg file transmission:1000 RX bytes:1843128504 (1.7 GiB) TX bytes:14977041814 (13.9 GiB) Interruption:41 Adresse de base:0x6000 lo Link encap:Boucle locale inet adr:127.0.0.1 Masque:255.0.0.0 adr inet6: ::1/128 Scope:Hte UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:385390 errors:0 dropped:0 overruns:0 frame:0 TX packets:385390 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 lg file transmission:0 RX bytes:207103662 (197.5 MiB) TX bytes:207103662 (197.5 MiB) sixxs Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 adr inet6: fe80::14d8:dd00:207:2/64 Scope:Lien adr inet6: 2001:16d8:dd00:207::2/64 Scope:Global UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1280 Metric:1 RX packets:534233 errors:0 dropped:0 overruns:0 frame:0 TX packets:529030 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 lg file transmission:500 RX bytes:64689489 (61.6 MiB) TX bytes:58355988 (55.6 MiB)
As well as my desktop computer :
root@luciole:~# ifconfig eth0 Link encap:Ethernet HWaddr 00:23:8b:75:2e:ce inet adr:192.168.87.5 Bcast:192.168.87.255 Masque:255.255.255.0 adr inet6: 2001:16d8:dd00:207::5/64 Scope:Global adr inet6: fe80::223:8bff:fe75:2ece/64 Scope:Lien
But still, the desktop can't ping6 outside the network (kame.net for exemple) whereas the server/router can ! The route looks well established in the desktop :
root@luciole:~# route -6 Table de routage IPv6 du noyau Destination Next Hop Flag Met Ref Use If 2001:16d8:dd00:207::/64 :: U 256 0 3 eth0 fe80::/64 :: U 256 0 0 eth0 ::/0 2001:16d8:dd00:207::2 UG 1024 0 0 eth0 ::/0 fe80::be5f:f4ff:fe73:a7e0 UGDAe 1024 0 0 eth0 ::/0 :: !n -1 1 834 lo ::1/128 :: Un 0 1 0 lo 2001:16d8:dd00:207::5/128 :: Un 0 1 347 lo fe80::223:8bff:fe75:2ece/128 :: Un 0 1 50 lo ff00::/8 :: U 256 0 0 eth0 ::/0 :: !n -1 1 834 lo
I don't see what I have done wrong ! Someone see the problem ? Thanks in advance !
routing not operating but everything the rest is OK !
[ch] Jeroen Massar SixXS Staff on Thursday, 07 November 2013 15:05:39
Stephane GUedon wrote: [..]
prefix 2001:16d8:dd00:207::/64
That is the prefix used for your tunnel. You will need the subnet prefix. See your user home for what it is.
routing not operating but everything the rest is OK !
[dk] Shadow Hawkins on Thursday, 14 November 2013 16:27:50
Now, it works, thanks to you !, but I have a lot of icmpv6 checksum fail :
[794564.116814] ICMPv6 checksum failed [2001:16d8:dd00:0207:0000:0000:0000:0001 > 2001:16d8:dd00:0207:0000:0000:0000:0002]
It totally forbid the use as ipv6 router/gateway and reduces connectivity. I wonder what to do.

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