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IPv6 con DD-WRT. Configurando 6to4

Introduction:

6to4 I set my router with DD-WRT and IPv6 on my network to offer Wireless / LAN.

Tired of having to manually raise the tunnel?, Is cumbersome to test?, Want to offer your entire network to IPv6 (free!). So this post is for you.

What you need:

- A standard version of dd-wrt or VoIP. These are the only versions that support IPv6 and radvd

- Your ISP must assign a valid IPv4 address (which would be in the WAN AP)

- In my case using a Linksys WRT-54GL but any team with the correct version of DD-WRT worked

Steps:

a. - Go to Administration -> Management -> Enable IPv6 and radvd.

b. - Copy the following text in the area of \u200b\u200bradvd. This is used for radvd (similar to a DHCP server) advertises the IPv6 prefix to the LAN network through the interface br0 (LAN AP)

 Interface br0 {  
 MinRtrAdvInterval 3; 
 MaxRtrAdvInterval 10; 
 AdvLinkMTU 1280; 
 AdvSendAdvert on; 
 prefix 0:0:0:1:: / 64 {
 AdvOnLink on; 
 AdvAutonomous on; 
 AdvValidLifetime 86400, 86400 AdvPreferredLifetime 
 ; 
 Base6to4Interface vlan1; 
 AdvRouterAddr on; 
}; 
};   

c. - It is necessary to place the following script as startup script "Startup Script". To do this: Administration ->; Commands

   insmod / lib / modules / `uname-r` / sleep 5 
 ipv6.o 
  radvd -C /tmp/radvd.conf start 
 sleep 5 
 WANIP=$(ip -4 addr show dev vlan1  is necessary to save "Save startup." 
 
 
 
 
 
 
 
 
 Note: 
 
   The previous script was taken from www.dd-wrt.com 

said to be used in v24 sp1 version, however I am using the v24 version sp2. In fact, the procedure found to sp2 did not work


e. - restart the AP and the interface on your PC

Check:


then review your interface on your computer and you have an IPv6 address that starts with

2002/16
[root @ localhost ~] # ifconfig wlan0 wlan0 Link encap: Ethernet HWaddr 00:1 A: 73:05:29: E3 inet addr: 192,168,127,106 Bcast: 192,168,127,255 Mask: 255.255.255.0

inet6 addr: 2002: be48: e7b1: 1:21 a: 73ff: fe05: 29e3/64
Scope: Global inet6 addr: fe80::21a:73ff:fe05:29e3/64 Scope:Link           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3785 errors:0 dropped:0 overruns:0 frame:0           TX packets:3931 errors:0 dropped:0 overruns:0 carrier:0
          collisions: 0 txqueuelen: 1000 RX bytes: 3307204 (3.1 MiB) TX bytes: 750331 (732.7 KiB)



y logically ping ipv6.google.com:





[root @ localhost ~] # ping6 ipv6.google.com ipv6.google.com PING (yi-in-x6a.1e100.net ) 56 data bytes 64 bytes from yi-in-x6a.1e100.net: icmp_seq = 1 ttl = 53 time = 198 ms 64 bytes from
yi-in-x6a.1e100.net: icmp_seq = 2 ttl = 53 time = 203 ms 64 bytes from yi-in-x6a.1e100.net: icmp_seq = 3 ttl = 53
time = 199 ms 64 bytes from yi-in-x6a.1e100.net: icmp_seq = 4 ttl = 53 time = 202 ms



More info to test IPv6:







http://acostanetwork.blogspot.com/2009/04/probar-ipv6.html


For more information on 6to4 and DD-WRT:


- http://www.dd-wrt.com/wiki/index.php/IPv6