Draytek VigorBX 2000 Series, User Manual

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VigorBX 2000 Series User’s Guide 81
for DHCP server.
ISP Access Setup Username -Type in the username provided by ISP in this
field. The maximum length of the user name you can set is 63
characters.
Password -Type in the password provided by ISP in this field.
The maximum length of the password you can set is 62
characters.
Index (1-15) in Schedule Setup - You can type in four sets of
time schedule for your request. All the schedules can be set
previously in
Application >> Schedule web page and you can
use the number that you have set in that web page.
MTU 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 Setup 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.
IP Address Assignment
Method(IPCP)
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.
Fixed IP - 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. Click Yes to use this function
and type in a fixed IP address in the box.
Fixed IP Address - Type a fixed IP address.
WAN IP Network Settings Obtain an IP address automatically – Click this button to