Re: IPv6, dynamic IP and WRT54

On Thu, Aug 11, 2005 at 12:21:07PM -0700, [email protected] wrote:
> 
> 
> I am willing to put up with some difficulty (I am a Card Carrying 
> Geek after all:) and run a tunnel if it is possible with my setup; 
> I just need some help over my current list of challenges.
> Will any of the tunnel brokers and the ip command take a dnsname 
> instead of an ipaddress?

No -- there is really no sense in doing so.  A dnsname can be resolved with
any number of tools on the client (your) end, and the server (their) end is
certainly not going to try keeping up with DNS name changes.

> If they will, I think I may be able to make it work, but as nearly 
> as I can tell from the manpage  _addr_  needs to be and ipaddress 
> and not a name.

I'm guessing that your problem is that you have a dynamic IP address
assigned by your ISP and you use DHCP to obtain the address, which may or
may not change over time.

If you are using dhclient or some similar DHCP client on Unix, it is usually
a simple matter to hook into the address lease logic and re-establish your
IPv6 tunnel when the address changes.  Since you should be assigned a static
IPv6 address block by the tunnel broker, you shouldn't notice anything but a
momentary pause when your IPv4 address changes.

-- 
What we wish, that we readily believe.
        -- Demosthenes

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