Draytek VigorBX 2000 Series, Руководство пользователя

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VigorBX 2000 Series User’s Guide 79

Ping IP – If you choose Ping Detect as detection mode,
you have to type IP address in this field for pinging.

TTL (Time to Live) – If you choose Ping Detect as
detection mode, type TTL value.
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.
RIP Protocol
Routing Information Protocol is abbreviated as RIP
（
RFC1058
）
specifying how routers exchange routing tables information.
Click
Enable RIP for activating this function.
WAN IP Network Settings This group allows you to obtain an IP address automatically
and allows you type in IP address manually.
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.
Obtain an IP address automatically – Click this button to
obtain the IP address automatically if you want to use
Dynamic IP mode.

Router Name : Type in the router name provided
by ISP.

Domain Name : Type in the domain name that you
have assigned.
DHCP Client Identifier*

Enable: Check the box to specify username and
password as the DHCP client identifier for some
ISP.

Username: Type a name as username. The
maximum length of the user name you can set is
63 characters.