Draytek Vigor2862 Series, Руководство пользователя

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Vigor2862 Series User’s Guide 106
work.
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 Choose IP to open the following dialog.

Path MTU to – Type the IP address as the specific
transmit path.
 MTU size start from – Determine the starting point
value of the packet. Default setting is 1500.

MTU reduce size by– 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.
Authentication Select PAP only or PAP or CHAP for PPP authentication.
Username – Type the username for authentication
(optional).
Password – Type the password for authentication (optional).
After finishing all the settings here, please click OK to activate them.
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It is available for “L” model only. LTE WAN uses the embedded LTE module to access internet.
To use 3G/4G USB Modem (DHCP mode) as the accessing protocol of the internet, please
choose Internet Access from WAN menu. Then, select 3G/4G USB Modem (DHCP mode) for
LTE. The following web page will be shown.