2. System Requirement ADSL Modem with Ethernet Port
Linksys WRT54G or compatible devices (see.
OpenWRT firmware (binary or source code)
Computer clients (Unix-based system prefered)

3. 6to4 Home Network Topology
Home (IPv4/IPv6)
IPv6 Network
internet (IPv4)
ISP
IPv4
IPv6
OpenWRT
6to4 Relay

4. Hardware

5. Client: IPv6 Address

6. OpenWRT Installation
Download OpenWRT Firmware from
Uploading Firmware Using Web Interface Using TFTP

7. Firmware Upgrade through WEB Interface

8. Firmware Upgrade through WEB Interface

9. Firmware Upgrade through WEB Interface

10. Firmware Upgrade using TFTP
Enable boot_wait=on at the device
Install tftp server
Issue the following command to start tftp tftp> binary tftp> rexmt 1 tftp> timeout 60 tftp> trace tftp> put openwrt-wrt54g-jffs2.bin

11. Firmware Upgrade using TFTP

12. First connect to OpenWRT box with Web browser

13. ssh to OpenWRT Box

14. OpenWRT: Linux kernel version

15. WRT54G's CPU Information

16. WRT54G's Memory Information

17. OpenWRT: Module Information

18. OpenWRT: Running Process Information

19. OpenWRT: Available storage space

28. OpenWRT: Packages List Update

29. OpenWRT: Packages List

30. Additional Packages Required
ipv6 kernel module (kmod-ipv6)
ip6tables
radvd

35. available 6to4 Relay KDDI Lab 6to4 relay 192.26.91.178
NECTEC 6to4 relay
More information are available at:

36. System Configuration

37. Allow Protocol 41 (IPv6)
Add the following to /etc/firewall.user $iptables -I INPUT -p i $WAN -j ACCEPT

38. OpenWRT: /etc/ppp/ip-up

39. OpenWRT /etc/ppp/ip-up

40. OpenWRT /etc/ppp/ip-down

41. Results

42. OpenWRT: br0 and ppp0 interface

43. OpenWRT: ipv4 route

44. OpenWRT: ipv6 route

45. OpenWRT: /etc/radvd.conf

46. OpenWRT: tun6to4 interface

47. OpenWRT: br0 interface

48. Client: IPv6 Address

49. Client: IPv6 routing table

50. Client: IPv6 Address after router reboot

51. Client: IPv6 Address after router reboot

52. Client: traceroute6 to www.kame.net

53. Client: ping6 to www.kame.net