IPv6: 6to4 tunnels vs manual tunnels

Unanswered Question
Jan 9th, 2009

hi,

Are they two different methods? I see that both of them use almost the same commands (interface tunnel, tunnel source, ...).

The only difference I see is the Tunnel Mode and the IPv6 addresse we assign to the tunnel interfaces.

any idea?

I have this problem too.
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royalblues Sat, 01/10/2009 - 00:29

Manual tunnels are more like P2P tunnels whereas 6 to 4 tunnels are point-to-multipoint tunnels.

In 6to4 tunnel the destination address is derived by representing an IPv4 address in IPv6 format

Have a look at these links where both the tunnel configurations are well explained

Manual Tunnel

http://ardenpackeer.com/routing-protocols/tutorial-ipv6-tunnels-part-1-manual-gre-ipv6ip-tunnels/

6 to 4 Tunnel

http://ardenpackeer.com/routing-protocols/tutorial-ipv6-tunnels-part-2-automatic-6to4-tunnels/

HTH

Narayan

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