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6to4, teredo and 4to6

alliasneoalliasneo Member Posts: 186
in CCNA & CCENT
HI,

Could someone just confirm this for me:

6to4 tunnel is so that IPv6 hosts can communicate over an IPv4 network - creating a tunnel to the other IPv6 host?
4to 6 tunnel is the reverse of the above?

What is a teredo tunnel? - something about dual stack (which allows both IPv4 and IPv6 to run on one host)....
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    NetworkVeteranNetworkVeteran Member Posts: 2,338 ■■■■■■■■□□
    6to4 is one of several options for connecting IPv6 networks over an IPv4 network. The CCNP texts cover how to configure several other options--ISATAP, Manual, and GRE tunnels.. as well as NAT-PT. 6to4 tunnels are automatic but suggested as only a temporary solution since routing protocols can't run over the tunnels. Dunno about the rest--they're outside the scope of the CCNP
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    fsanyeefsanyee Member Posts: 171
    alliasneo wrote: »
    What is a teredo tunnel? - something about dual stack (which allows both IPv4 and IPv6 to run on one host)....
    teredo not dual stack. dual stack if the device use native ipv6 and 4 too. Teredo tunneling - Wikipedia, the free encyclopedia
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