D-Link DSL-502T
To enable pings (ICMP echo request/response) follow the steps below.
-
Login to the router using your web browser. (Type http://192.168.1.1 (default is 192.168.1.1) in the address field of your browser, and then press Enter).
The default username is "admin" and the default password is "admin".
-
Once logged in at the top of the page you will have a set of tabs, click on "Advanced". Then select "Advanced Security" from the menu on the left.
-
Tick "Allow incoming ICMP ping" and "Apply" to apply the setting.
The above procedure is documented in the install guide (pdf, 4 MB) on page 33, this includes images of the web interface.