Jakub Faber (xfaber02)
The 6in4 traffic is sent over the IPv4 Internet inside IPv4 packets.
Project files:
.
├── listen4.c
├── listen4.h
├── listen6.c
├── listen6.h
├── logger.c
├── logger.h
├── main.c
├── main.h
├── Makefile
├── manual.pdf
├── README
├── README.html
├── send4.c
├── send4.h
├── send6.c
└── send6.h
make./sixtunnel --lan eth0 --wan eth1 --remote 192.168.0.11 --log output.log--laninterface to IPv6 network--waninterface to IPv4 network--remoteIPv4 address of the other end of tunnel--loglogging file
The 6in4 is unable to tunnel packets larger than MTU_SIZE (default 1500 bytes)
DateTime | SourceIP | DestinationIP | Protocol | SrcPort | DstPort | Time
2015/11/22 19:06:27 faaa::1 fbbb::4 tcp 46465 9999 -
2015/11/22 19:06:50 faaa::1 fbbb::4 icmp - - -
2015/11/22 19:06:51 faaa::1 fbbb::4 icmp - - -
2015/11/22 19:06:52 faaa::1 fbbb::4 icmp - - -
2015/11/22 19:09:10 fbbb::4 faaa::1 udp 41755 15000 -
2015/11/22 19:09:26 fbbb::4 faaa::1 udp 60190 6679 -
2015/11/22 19:09:36 fbbb::4 faaa::1 icmp - - -
2015/11/22 19:09:37 fbbb::4 faaa::1 icmp - - -
PC1 (eth0) <--ipv6--> (eth0) PC2 (eth1) <--ipv4--> (eth0) PC3 (eth1) <--ipv6--> (eth0) PC4
/etc/network/interfaces
auto eth0
iface eth0 inet6 static
address faaa::1
gateway faaa::2
netmask 64
/etc/network/interfaces
auto eth1
iface eth1 inet6 static
address faaa::2
netmask 64
auto eth0
iface eth0 inet static
address 192.168.0.2
netmask 255.255.255.0
gateway 192.168.0.0
sudo ip -6 route add default dev eth1
sudo ./sixtunnel --lan eth0 --wan eth1 --remote 192.168.0.3 --log out2.log
/etc/network/interfaces
auto eth1
iface eth1 inet6 static
address fbbb::3
netmask 64
auto eth0
iface eth0 inet static
address 192.168.0.3
netmask 255.255.255.0
gateway 192.168.0.0
sudo ip -6 route add default dev eth0
sudo ./sixtunnel --lan eth1 --wan eth0 --remote 192.168.0.2 --log out3.log
/etc/network/interfaces
auto eth0
iface eth0 inet6 static
address fbbb::4
gateway fbbb::3
netmask 64