TP-Link TL-ER604W manual Internet connection by the Connect or Disconnect

MTU:	MTU (Maximum Transmission Unit) is the maximum data unit
	transmitted by the physical network. It can be set in the range of
	576-1460. The default MTU is 1460. It is recommended to keep
	the default value if no other MTU value is 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.
Secondary Connection:	Here allows you to configure the secondary connection.
	Dynamic IP and Static IP connection types are provided.
Connection Type:	Select the secondary connection type. Options include Disable,
	Dynamic IP and Static IP.
IP Address:	If Static IP is selected, configure the IP address of WAN port. If
	Dynamic IP is selected, the IP address of WAN port obtained is
	displayed.
Subnet Mask:	If Static IP is selected, configure the subnet mask of WAN port. If
	Dynamic IP is select, the subnet mask of WAN port obtained is
	displayed.

Default Gateway:

Primary DNS/

Secondary DNS:

Upstream Bandwidth:

Downstream Bandwidth:

If Static IP is selected, configure the default gateway. If Dynamic IP is selected, the obtained default gateway is displayed.

If Static IP is selected, configure the DNS. If Dynamic IP is selected, the obtained DNS is displayed.

Specify the bandwidth for transmitting packets on the port.

Specify the bandwidth for receiving packets on the port.

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