LevelOne WHG-505, Руководство пользователя

Страница: 29 / 314

23
5.2.2 PPPoE
If the ISP requires you use PPPoE Dialup connection, then the ISP will issue you an account with a password. You
would need to enter the account credential in the WAN configuration page for dialing up to the ISP. If you are using
ADSL/DSL Internet service, most likely, your ISP will require PPPoE connection.
PPPoE: When selecting PPPoE to connect to the network, please set the “User Name”, “Password”
MTU: Short for Maximum Transmission Unit of a PPPoE frame. The PPPoE protocol allows an Ethernet
frame’s size to be up to 1492 bytes, but some ISP’s network equipments may support a smaller frame
size of than 1492 bytes. In that case, you have to enter a smaller number MTU number to meet the ISP’s
networking requirement.
MSS: Short for Maximum Segment Size for a TCP connection. An end-to-end TCP connection over
PPPoE will consume additional overhead out of each packet. At least 40 bytes are used for the address.
Hence, MSS must be smaller than MTU by at least 40.
Dial on demand function under PPPoE. If this function is enabled, a Maximum Idle Time will be
available for input a value. When the idle time is reached, the system will automatically disconnect itself.