F/W Upgrade
You can install new firmware in the router from any computer capable of functioning as a Trivial File Transfer Protocol (TFTP) server or FTP Server. If the firmware has been stored in your PC hard disk, you can use local F/W upgrade, too.
This function is used for maintenance. Please proceed carefully when install new F/W.
Ping
It is a sub set of the general command same as Ping utility. It is used to detect whether this ADSL router is connected/communicated with other network or not.
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