Hi all,

I'm trying to set up the sft0 (6to4 gateway) interface for a FreeBSD 4.3 
host located on a private network. To reach the Internet a NAT gateway 
is used. The NAT has a staic mapping between one global IPv4 address and 
the private IPv4 address (172.16.132.40) of my FreeBSD host.

I'm trying to use the global IPv4 address to form the 6to4 IPv6 address. 
I configure rc.conf like this (stf is in my kernel configuration):

ipv6_enable="YES"
ipv6_network_interfaces="auto"
ipv6_gateway_enable="YES"
ipv6_prefix_sft0="2002:c024:01f1"
stf_interface_ipv4addr="172.16.132.40"

However I just can not get this work so either it is not possible to set 
up a 6to4 connection this way (with a NAT gw) or I'm doing something wrong.

Does somebody know if it is possible to setup a 6to4 gateway behind a NAT?
If it is possible how should this be configured (for FreeBSD)?

regards,

Jens Kassel



 


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