Creating gif0 for IPv6 when you have DHCP

dvl@

dvl@

Developer
This is the standard method for creating an IPv6 tunnel from HE.net:

Code: 
ifconfig gif0 create
ifconfig gif0 tunnel 98.114.44.254 209.51.161.14
ifconfig gif0 inet6 2001:470:1f06:9ea::2 2001:470:1f06:9ea::1 prefixlen 128
route -n add -inet6 default 2001:470:1f06:9ea::1
ifconfig gif0 up

These are the settings I use in my /etc/rc.conf:

Code: 
gif_interfaces="gif0"
gifconfig_gif0="98.114.44.254 209.51.161.14"
ifconfig_gif0_ipv6="inet6 2001:470:1f06:9ea::2 2001:470:1f06:9ea::1  prefixlen 128"
ipv6_defaultrouter="2001:470:1f06:9ea::1"

The problem is: 98.114.44.254 isn't always my IP address. I have DHCP. Any suggestions as to how to do this properly?
 
Does HE.net support dynamic IPv4 address at all? I don't think that gif(4) is designed for dynamic tunnel IP addresses so you must have something on top of it watching for an address change. I have sixxs.net tunnel and I could use their net/sixxs-aiccu tool for automatic configuration that is aware of a changing WAN IP address. I'm not using it though since my IP address stays static as long as I don't take my system offline for too long time.
 
If your address changes you need to reconfigure the tunnel at he.net. Your source IP address is set on their side too.
 
Re: Creating gif0 for IPv6 when you have DHCPs

Yes. That part is handled by the script. Perhaps the script needs to detect boot time.
 
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