Hi William, On Fri, 2011-03-11 at 15:53 -0500, William Cerveny wrote: > Hi Kilian, > > I'm aware of IPv6 in IPv6 tunneling, but I really did want GRE tunneling > over IPv6 to reduce variability between IPv4 and IPv6 environments for a > specific application. > > I'm sort of puzzled why GRE isn't implement with "ip" in IPv6. as you can clearly see from the ip_gre module code in linux-2.6 (http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=net/ipv4/ip_gre.c;hb=b790e01aee74c23a5d92576177934f13aa51f718) there is no 128bit representation for source/destination and thus no ipv6 support built in. I guess that's why you will fail setting it up with iproute even if the client would allow to use ipv6. -- Best regards, Kilian
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