Draytek Vigor2920n User's Guide download pdf (Page 126)

Vigor2920 Series User’s Guide

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To use Static or Dynamic IP as the accessing protocol of the internet, please choose Static or

Dynamic IP mode from Internet Access menu. The following web page will be shown.

Static or Dynamic IP

Click Enable for activating this function. If you click Disable,

this function will be closed and all the settings that you

adjusted in this page will be invalid.

Keep WAN Connection

Normally, this function is designed for Dynamic IP

environments because some ISPs will drop connections if there

is no traffic within certain periods of time. Check Enable

PING to keep alive box to activate this function.

PING to the IP - If you enable the PING function, please

specify the IP address for the system to PING it for keeping

alive.

PING Interval - Enter the interval for the system to execute

the PING operation.

WAN Connection

Detection

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) – Displays value for your reference. TTL

value is set by telnet command.

MTU

It means Max Transmit Unit for packet. The default

setting is 1442.

RIP Protocol

Routing Information Protocol is abbreviated as RIP

（RFC1058）specifying how routers exchange routing tables

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Draytek Vigor2920n User's Guide Page 126