01-31-2013 12:42:34 PM
I work for a video surveillance company. We have a customer that is using an AT&T DSL connection to view their camera system from a remote location. The camera system is the only thing on the DSL line, which has a dynamic IP address. To access the system remotely with a dynamic IP address, we set up a dynamic DNS client on the system itself.
I am wondering if the DSL connection "shuts off" due to non-activity on the line after a certain period of time. The issue we are having is that after a few days (when the dynamic IP address changes) the customer is no longer able to log into the system. If he actually goes to the location to plug in a laptop so we can troubleshoot the problem, the connection re-establishes and the new IP address is updated to the DDNS service. We literally have to do nothing on our end as far as changing settings or anything like that.
I'm wondering if there is some sort of connection time-out feature that basically shuts down the DSL connection when there is no internet activity for a certain period of time. Since the camera system is not using the internet connection unless the customer is accessing it remotely, this seems like a likely cause of the problem. I can verify that the DDNS service works in other locations, but all of those locations have other systems that would use the internet daily, thus re-establishing the connection (if this is in fact the problem).
Could you please let me know if this could be the cause of the problem, and if so, is there a way to extend the time-out period or disable it completely without the customer upgrading to a business account with a static IP address?
02-04-2013 07:01:58 PM
"Ren: Now listen, Cadet. I've got a job for you. See this button? Don't touch it! It's the History Eraser button, you fool!
Stimpy: So what'll happen?
Ren: That's just it. We don't know. Maybe something bad, maybe something good. I guess we'll never know, 'cause you're going to guard it. You won't touch it, will you?"
02-05-2013 08:23:16 AM
Thanks for your help. I'll give that a try. I told him to see if he has a setting in the modem for the PPPoE connection timeout and to set that to 0. So far it seems to be working, but I don't think he's gone out of town yet. If that doesn't work, I'll have him get a cheap router to keep the connection alive.