Config your modem to disconnect with 10 minutes of no use and config your PC with e.g. Easy-E-Check that checks your e-mail every 15 minutes which will force a reconnect.
The timer will work well, keeping in mind the minimum off time is 1 minute on a digital one and 15 minutes on a mechanical one.
An electronic engineer can wire something up for you to briefly disconnect the phone line at a fixed interval. It is easy, but don't expect it for $10. Probably towards $50. This will give you a short outage, because the modem is already booted and only have to reconnect.
I've got a script that'll tell your modem to renew it's public IP adress every 15 minutes. But in order for it to work, you'll need a router that supports telnet access, has a linux operating system that recognises these commands, and that supports shell scripts.
while true do /sbin/dhcpc-release sleep 1 /sbin/dhcpc-renew sleep 900 done
Telnet into your modem, then paste the script i've given you into the telnet window, press enter, and then close the telnet window.
matt1553: I've got a script that'll tell your modem to renew it's public IP adress every 15 minutes. But in order for it to work, you'll need a router that supports telnet access, has a linux operating system that recognises these commands, and that supports shell scripts.
while true do /sbin/dhcpc-release sleep 1 /sbin/dhcpc-renew sleep 900 done
Telnet into your modem, then paste the script i've given you into the telnet window, press enter, and then close the telnet window.
I think your assumption will run afoul in two areas:
1) You're assuming that the modem is using DHCP to get an IP address on the WAN interface. In a PPP environment, this is rather unlikely. 2) Closing the telnet window, unless the process is running nohup and backgrounded, will kill the script.
After reading all this, I am intrigued as to why you would possibly want to cycle your IP address all the time...? care to shed some light on this? =o)
After reading all this, I am intrigued as to why you would possibly want to cycle your IP address all the time...? care to shed some light on this? =o)
Although technically there must be a much better way of doing it. Broadband modems from Xtra all run linux. You could either telnet or SSH into the router and see what commands are available. On mine, the multi-PC modem (604t) it has:
Built-in commands: ------------------- . : bg break builtin cd chdir continue eval exec exit export false fc fg hash help jobs kill local pwd read readonly return set setvar shift times trap true type ulimit umask unset wait
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