j"1LAnZuoQdcKCkpDBKQMCgziGMoPC4VQUckMà<div class="post">If you guys are interested in ipv6, there are a lot of transition mechanisms available. Windows comes with teredo which is kind of complicated for what it does.. I like 6to4, basically every ipv4 node has an ipv6 prefix which is 2002:<ipv4 addr> /48. It is very easy to set up 6to4 on a linux box. Here is my setup as an example:<br/><br/><div class="codeheader">Code:</div><div class="code">echo 0 > /proc/sys/net/ipv6/conf/all/autoconf<br/>echo 0 > /proc/sys/net/ipv6/conf/all/accept_ra<br/>echo 0 > /proc/sys/net/ipv6/conf/all/accept_redirects<br/>echo 0 > /proc/sys/net/ipv6/conf/all/router_solicitations<br/>echo 1 > /proc/sys/net/ipv6/conf/all/forwarding<br/>ip tunnel add 6to4tunnel mode sit ttl 200 remote any local 76.122.46.187<br/>ip link set dev 6to4tunnel up<br/># listen for 6to4 traffic to me<br/>ip -6 addr add 2002:4c7a:2ebb::1/16 dev 6to4tunnel<br/># route to non 6to4 ipv6 hosts<br/>ip -6 route add 2000::/3 via ::192.88.99.1 dev 6to4tunnel metric 1<br/># add address to lan0<br/>ip addr add 2002:4c7a:2ebb:0001::1/64 dev lan0<br/># add address to lan1<br/>ip addr add 2002:4c7a:2ebb:0002::1/64 dev lan1<br/>echo "Starting radvd..."<br/>/opt/radvd/sbin/radvd<br/></div><br/><br/>That is literally all it takes. This is for my linux box which is acting as a router. You just convert your ipv4 address to hex. For instance mine, 76.122.46.187 == 4c 7a 2e bb<br/><br/>The v4 address 192.88.99.1 is an anycast address.. There are routers that pick up the 6to4 traffic and bridge it over into the native v6 land. Because of how routing works you will just get to the closest (network wise) bridge router when you transmit to v6 addresses.<br/><br/>Setting up radvd allows the client machines on your lans (I have lan0 and lan1) to receive an automatic ipv6 address. With this set up you can hit ipv6.google.com and see the letters bouncing to know it works.<br/><br/>If you're planning to try this, google up some info on 6to4 first so you understand how it works. Also be aware that your machines which are NAT'd with ipv4 are globally accessible with this set up and are not filtered unless you set that up separately (windows firewall, ip6tables, etc)<br/></div> text/html
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