Draytek VIGORBX 2000 SERIES User Manual page 76

WAN Connection
Detection
MTU
ISP Access Setup
64
set of PPPoE session (different with the Host PC) to access
into Internet.
Note: To have PPPoA Pass-through, please choose PPPoA
protocol and check the box(es) here. The router will behave
like a modem which only serves the PPPoE client on the LAN.
That's, the router will offer PPPoA dial-up connection.
Such function allows you to verify whether network
connection is alive or not through ARP Detect or Ping Detect.
Mode – Choose ARP Detect or Ping Detect for the system to
execute for WAN detection.
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, you have to type TTL value.
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.
Enter your allocated username, password and authentication
parameters according to the information provided by your
ISP.
Username – Type in the username provided by ISP in this
field.
Password – Type in the password provided by ISP in this field.
Separate Account for ADSL – In default, WAN1 supports
VDSL2/ADSL and uses the same PPPoE account and password
for connection. If required, you can configure another
account and password for ADSL connection by checking this
box. If it is checked, the system will ask you to type another
group of account and password additionally.
PPP Authentication – Select PAP only or PAP or CHAP for
PPP.
VigorBX 2000 Series User's Guide