[Sheflug] quest for the dancing KAME (IPv6)

[Andrew Basterfield <xxxxx [at] xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

At the moment my IPv4 implementation is a Linux 2.2 ip-masq
firewall/gateway with 4 hosts on a LAN behind it.

I have installed freenet6 on the gateway and have a working IPv6inIPv4
tunnel from the gateway to the 6bone - I can ping6/traceroute6 IPv6 hosts
(like www.netbsd.org, www.kame.net) from my gateway. I have a /48 network
to play with.

I have installed radvd on the gateway and the IPv6 capable hosts get
autoconfigured valid 3ffe:0b80:netw:blah:blah:HWMA:CADD:RESS (ie not just
link-local) IPv6 addresses and can ping6 each other, but they can't access
the 6bone.

Occasionally the clients can access IPv6 sites if I traceroute6 that site
on the gateway first, but normally I get 'destination unreachable' errors.

The 'sit' tunneling device is assigned an address outside my subnet -
could it be that freenet6 are only routing me data destined for the same
subnet as the 'sit' device? Do I have to run a local routing daemon?

Any suggestions appreciated. I'm tired and I may have missed something
obvious.

Andrew


-- 
sparc sun4c stuff : http://www.lostgeneration.freeserve.co.uk/sparc
personal email    : bob at lostgeneration dot freeserve dot co dot uk
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