IPv6 Tunnel Types

Hi,

I'm reviewing the IPv6 Tunnel Types and wanted to know what the difference
between then are, and what method is best used on the lab.

The documentation has this chart, but not much other info on when to use
ISATAP and when to use 6to4.

Thanks for any insight!
Raphael

Tunneling Type
Suggested Usage
Usage Notes

Manual

Simple point-to-point tunnels that can be used within a site or between
sites

Can carry IPv6 packets only.

GRE- and IPv4-
compatible

Simple point-to-point tunnels that can be used within a site or between
sites

Can carry IPv6, Connectionless Network Service (CLNS), and many other types
of packets.

IPv4-
compatible

Point-to-multipoint tunnels

Uses the ::/96 prefix. We do not recommend using this tunnel type.

6to4

Point-to-multipoint tunnels that can be used to connect isolated IPv6 sites

Sites use addresses from the 2002::/16 prefix.

ISATAP

Point-to-multipoint tunnels that can be used to connect systems within a
site

Sites can use any IPv6 unicast addresses.

Blogs and organic groups at http://www.ccie.net
Received on Sun Sep 04 2011 - 15:19:42 ART