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Old 07-03-2004, 03:05 PM   #1
Registered: Jul 2004
Distribution: Gentoo
Posts: 101

Rep: Reputation: 15
Problem with ipv6 routing

I have gentoo, and i'm trying to use ipv6 through freenet6. When i run the tspc client with -vvv, it says that it connects properly, however, ping6 will not work. Current routing table:

bash-2.05b# route -A inet6
Kernel IPv6 routing table
Destination Next Hop Flags Metric Ref Use Iface
::1/128 :: U 0 35 0 lo
3ffe:bc0:8000:0:8000:0:46f0:f160/128 :: U 0 0 0 lo
2000::/3 :: U 1 0 0 sit1
fe80::c0a8:2a/128 :: U 0 0 0 lo
fe80::202:2aff:fef1:72fa/128 :: U 0 0 0 lo
fe80::/64 :: U 256 0 0 eth0
fe80::/64 :: U 256 0 0 sit1
ff00::/8 :: U 256 0 0 eth0
ff00::/8 :: U 256 0 0 sit1
::/0 :: U 1 0 0 sit1
::/0 :: UD 256 0 0 eth0

I actually don't know anything about routing, but it seems like the only place left for problems to be. I can ping ::1 just fine, along with all the addresses listed as routing to lo. DNS lookups of ipv6 hosts does work. So, what am I missing?
Old 07-03-2004, 06:50 PM   #2
Senior Member
Registered: Jul 2003
Location: Silicon Valley, USA
Distribution: OpenBSD 4.6, OS X 10.6.2, CentOS 4 & 5
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It seems like the default route is a null route:
::/0 ::

You need to change the default route to the v6 IP of the far end of your tunnel.

By the way, pinging ::1 just means that your v6 stack is enabled. Being able to resolve AAAA records just means your resolver will accept them, but it can make AAAA queries in a v4 datagram, so that doesn't necessarily prove anything.

Last edited by chort; 07-03-2004 at 06:51 PM.
Old 07-10-2004, 04:28 PM   #3
Registered: Jul 2004
Distribution: Gentoo
Posts: 101

Original Poster
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Well, like I said, i don't know anything about routeing, so how would you do that? Thanks for the info, btw.
Old 07-11-2004, 05:40 AM   #4
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Registered: Jun 2004
Posts: 28

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SIOCSIFADDR: No buffer space available

hi! p-static,
have you ever been encounter with the error of "SIOCSIFADDR: No buffer space available"
while assigning the ipv6 address to the interface, oro may be some other time.
have any idea! plz help

Old 07-11-2004, 07:02 PM   #5
Registered: Jul 2004
Distribution: Gentoo
Posts: 101

Original Poster
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I've never seen that, but it looks important enough to warrant it's own thread.

Anyway, can anybody tell me how to change the default route?


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