FreeBSD Configure IPv6 Networking / Static IP Address
Q. How do I configure IPv6 networking under FreeBSD 7.x server? How do I assign IPv6 IP address using command line utility?
A. IPv6 (IP next generation) can be easily configured under FreeBSD 7.x or 6.x. You need to know:
a) A default router IPv6 address such as 2001:470:1e04:5ea::1
b) 128 bit IPv6 IP such as 2001:470:1e04:5ea::10
FreeBSD IPv6 Network Configuration
Open /etc/rc.conf file, enter:
# vi /etc/rc.conf
WARNING! Following configuration requires that the kernel has been compiled with options INET6 (which is default in FreeBSD 6.x and 7.x)Append following configurations:
ipv6_enable="YES"
ipv6_ifconfig_fxp0="2001:470:1e04:5ea::10"
ipv6_defaultrouter="2001:470:1e04:5ea::1"
Where,
- ipv6_enable="YES" : Turn on IPv6 networking support.
- ipv6_ifconfig_fxp0="2001:470:1e04:5ea::10" : Assign an IP address
- ipv6_defaultrouter="2001:470:1e04:5ea::1" : assign a default router
Save and close the file. Restart networking, enter:
# /etc/rc.d/netif restart && /etc/rc.d/routing restart
To view newly assigned IP address, enter:
# ifconfig
# ifconfig | grep inet6
How do I test my FreeBSD IPv6 networking connectivity?
Simply use ping6 or traceroute6 commands, enter:
$ ping6 ipv6.google.com
Try traceroute6 command, enter
$ traceroute6 ipv6.google.com
1?: [LOCALHOST] pmtu 1280
1: 2001:5c0:8fff:fffe::a68c 312.051ms
2: no reply
3: if-5-0-1.6bb1.mtt-montreal.ipv6.teleglobe.net 388.794ms
4: if-3-0.mcore3.mtt-montreal.ipv6.teleglobe.net asymm 5 345.947ms
5: if-13-0.mcore4.nqt-newyork.ipv6.teleglobe.net asymm 6 364.053ms
6: 2001:5a0:400:200::1 asymm 7 387.877ms
7: 2001:5a0:400:200::6 381.125ms
8: 2001:5a0:600:100::5 asymm 6 357.572ms
9: 2001:5a0:600::5 asymm 7 363.006ms
10: pr61.iad07.net.google.com asymm 9 386.211ms !A
Resume: pmtu 1280
Try host command to obtian both IPv6 and IPv6 address, enter:
$ host www.kame.net
Sample output:
www.kame.net has address 203.178.141.194
www.kame.net has IPv6 address 2001:200:0:8002:203:47ff:fea5:3085
Finally, you can always visit www.kame.net and see dancing kame to confirm IPv6. You can also try IPv6 Google search.
How do I assign IP address using command line ifconfig utility?
Use ifconfig command as follows to assign an IP address:
# ifconfig {interface-name} inet6 {IPv6-Address} prefixlen {routed-bit}
# ifconfig le0 inet6 001:470:1e04:5ea::10 prefixlen 64
To add a default router, enter:
# route -n add -inet6 default {IPv6-Router-IP}
# route -n add -inet6 default 2001:470:1e04:5ea::1
Further readings:
- man pages rc.conf, ifconfig
- FreeBSD IPv6 Configuration Guide
- FreeBSD Configure IPv6 Networking / Static IP Address
- tspc: Debian / Ubuntu Linux Configure IPv6 Tunnel
- How To Test Linux Operating System for IPv6 Networking Support
- How To Specify and Browse Website Using IPv6 Address With Firefox, Opera Web Browser
- How To Ping IPv6 Address Using Windows Vista / Xp or Windows Server 2008 / 2003 Server
Ubuntu / Kubuntu Ubuntu Ver. 8.10 and Linux Training Library 2DVD+CD
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Tags: /etc/rc.conf, client configuration, default router, defaultrouter, freebsd ipv6, host command, ipv6 address, ipv6 deployment, ipv6 network, ipv6 on freebsd, ipv6 protocol, ipv6 transition, networking support
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