Draytek VIGORBX 2000 SERIES User Manual page 89

MTU
PPP/MP Setup
IP Address Assignment
Method (IPCP)
After finishing all the settings here, please click OK to activate them.
VigorBX 2000 Series User's Guide
value is set by telnet command.
It means Max Transmit Unit for packet.
Path MTU Discovery – It is used to detect the maximum MTU
size of a packet not to be segmented in specific transmit
path.
Click Detect to open the following dialog.
Path MTU to – Type the IP address as the specific transmit
path.
MTU reduce size – It determines the decreasing size of MTU
value. For example, the number specified in this field is "8".
The maximum MTU size is "1500". After clicking the
"detect" button, the system will calculate and get the
suitable MTU value such as 1500, 1492, 1484 and etc.,
automatically.
Detect – Click it to detect a suitable MTU value
Accept – After clicking it, the detected value will be
displayed in the field of MTU.
PPP Authentication – Select PAP only or PAP or CHAP for
PPP.
Idle Timeout – Set the timeout for breaking down the
Internet after passing through the time without any action.
Usually ISP dynamically assigns IP address to you each time
you connect to it and request. In some case, your ISP
provides service to always assign you the same IP address
whenever you request. In this case, you can fill in this IP
address in the Fixed IP field. Please contact your ISP before
you want to use this function.
WAN IP Alias - If you have multiple public IP addresses and
would like to utilize them on the WAN interface, please use
WAN IP Alias. You can set up to 32 public IP addresses other
than the current one you are using. Type the additional WAN
IP address and check the Enable box. Then click OK to exit
the dialog.
Fixed IP – Click Yes to use this function and type in a fixed IP
address in the box of Fixed IP Address.
Default MAC Address – You can use Default MAC Address or
specify another MAC address by typing on the boxes of MAC
Address for the router.
Specify a MAC Address – Type the MAC address for the router
manually.
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