> I need to get my public IP address from a LinkSys cable router and don't
> have any idea where to start. The LinkSys is doing NAT and my FBSD box
> in on the private network on the inside. What commands and/or ports are
> there that would provide the public IP address from the command line so
> I pass the IP to a script? Any ideas?
The way I do it with my router (BEFW11S4 V2) is to use lynx to download the
HTML status page from the router and extract the public IP address. I do
this in a cron job every 15 minutes, and when it notices an IP change, it
fires off my dynamic DNS updates.
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