[c-nsp] ipv6ip vs gre

[Bruce Pinsky]

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matthew zeier wrote:
> What's the difference between an ipv6ip tunnel and a gre tunnel?

v6 packets in an ipv6ip tunnel are directly encapsulated in an IPv4 header
where v6 packets in a GRE tunnel are encapsulated in a GRE header and then
the IPv4 header.

See
http://www.cisco.com/en/US/products/sw/iosswrel/ps5187/products_configuration_guide_chapter09186a00801d6604.html#wp1027177

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bep

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