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irc:openbsd:ipv6 [2019/11/14 14:00] jrmu |
irc:openbsd:ipv6 [2020/07/14 13:07] (current) jrmu |
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| The first one sets the device to use the static IPv6 address 2001:0db8:: with a /48 subnet, and the second one creates another IPv6 address 2001:0db8:0000:0000:9b1d:3511:387e:143a with a /48 subnet, aliased to the first IPv6 address. In this way, you can create dozens of unique IPv6 addresses so that each user on a shell account or bouncer can get a unique IPv6 address. | The first one sets the device to use the static IPv6 address 2001:0db8:: with a /48 subnet, and the second one creates another IPv6 address 2001:0db8:0000:0000:9b1d:3511:387e:143a with a /48 subnet, aliased to the first IPv6 address. In this way, you can create dozens of unique IPv6 addresses so that each user on a shell account or bouncer can get a unique IPv6 address. | ||
| + | |||
| + | You will also need to specify the default gateway in /etc/mygate: | ||
| + | |||
| + | <code> | ||
| + | 192.168.1.1 | ||
| + | 2001:0db8:0000:0000::1 | ||
| + | </code> | ||
| Sometimes, to restart networking, I will run: | Sometimes, to restart networking, I will run: | ||
| Line 71: | Line 78: | ||
| Watch out! Iked, without the -6 flag, will block all IPv6 traffic. | Watch out! Iked, without the -6 flag, will block all IPv6 traffic. | ||
| - | If you later decide you want to add or delete a new ipv6 address, use ifconfig: | + | If you later decide you want to add a new ipv6 address, use ifconfig: |
| <code> | <code> | ||
| $ doas ifconfig if0 inet6 2001:0db8::/64 | $ doas ifconfig if0 inet6 2001:0db8::/64 | ||
| + | </code> | ||
| + | |||
| + | To delete the IPv6 address: | ||
| + | |||
| + | <code> | ||
| $ doas ifconfig if0 inet6 2001:0db8::/64 delete | $ doas ifconfig if0 inet6 2001:0db8::/64 delete | ||
| </code> | </code> | ||
| Replace if0 with your specific interface. | Replace if0 with your specific interface. | ||
| + | |||
| + | ---- | ||
| + | |||
| + | To test if an IPv6 address is working, you can use netcat to connect to an IRC network that supports IPv6: | ||
| + | |||
| + | <code> | ||
| + | $ nc -s 2001:0db8:: ipv6.ircnow.org 6667 | ||
| + | nick newnick | ||
| + | user newuser * * :newuser | ||
| + | PING :12345 | ||
| + | PONG :12345 | ||
| + | </code> | ||
| + | |||
| + | If that loads a message, then you configured the IPv6 address 2001:0db8:: correctly. | ||