In my home network I am using a Linksys WAG120N WLAN Router. For one of my devices I need port forwarding, this works without problems. I have, however, noticed that after a while the port forwarding stops working, often when I was not home for some days.
I have noticed the following in the router section Gateway Status:
- Internet Connection:
- Login Type: RFC 2516 PPPoE
- Interface: Down
Instead of Up the Interface was down, hence it also didn't display information about:
- IP Address
- Subnet Mask
- Default Gateway
My internet connection, however, was fully functional and I could use the internet without any restrictions. On the same page is a Connect and Disconnect button. Even though the internet connection is working, the Connect button is enabled and the Disconnect button is disabled. But when I press Connect, nothing changes.
Only a router restart solves this problem.
So what's the reason for the interface shutting down? Do I have to contact my provider for that? In the help section of the router it only says:
The device’s Internet Interface is displayed.
What's that supposed to be?
EDIT Another observation:
It just happened again, while I used the internet. The router logs do not reveil anything, unfortunately. With my PC (Ethernet) I can still use the internet connection. Other devices (WLAN) have no Internet available until I restart the router.