TP-Link TL-R480T+ manual  PPPoE Settings, Internet connection by the Connect or Disconnect button

The following items are displayed on this screen:

PPPoE Settings

Connection Type: Select PPPoE/Russian PPPoE if your ISP provides xDSL Virtual

Dial-up connection. Click <Connect> to dial-up to the Internet and obtain the IP address. Click <Disconnect> to disconnect the Internet and release the current IP address.

Account Name:	Enter the Account Name provided by your ISP. If you are not clear,
	please consult your ISP.
Password:	Enter the Password provided by your ISP.
Active Mode:	You can select the proper Active mode according to your need.
	 Manual: Select this option to manually activate or terminate the
	Internet connection by the <Connect> or <Disconnect> button.
	It’s optimum for the dial-up connection charged on time.
	 Always-on: Select this option to keep the connection always
	on. The connection can be re-established automatically when it
	is down.
	 Time-based: Select this option to keep the connection on
	during the Active time you set.
PPPoE Advanced	Check here to enable PPPoE advanced settings.
Settings:
Keep Alive:	Once PPPoE is connected, the router will send keep-alive packets
	every "Keep Alive Interval" sec and "Keep Alive Retry Times" to
	make sure the connection is still alive. If the router does not get the
	response from ISP after sending keep-alive packets, the router will
	terminate the connection.
MTU:	MTU (Maximum Transmission Unit) is the maximum data unit
	transmitted by the physical network. It can be set in the range of
	576-1492. The default MTU is 1480. You are recommended to keep
	the default value if no other MTU value is provided by your ISP.

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