Draytek VIGOR N61 Betriebsanweisung PDF herunterladen (Seite 144)

100

101

Vigor2860 Series User’s Guide

134

WAN Interface

Choose the WAN interface for such address mapping

profile.

WAN IP

Select an IP address (the selections provided here are set in

IP Alias List of Network >>WAN interface). Local host

can use this IP to connect to Internet.

If you want to choose any one of the Public IP settings, you

must specify some IP addresses in the IP Alias List of the

Static/DHCP Configuration page first. If you did not type in

any IP address in the IP Alias List, the Public IP setting will

be empty in this field. When you click Apply, a message

will appear to inform you.

Private IP

Assign an IP address (e.g., 192.168.1.10) or a subnet to be

compared with the Public IP address for incoming packets.

Subnet Mask

Select a value of subnet mask for private IP address.

After finishing all the settings here, please click OK to save the configuration.

Port Triggering is a variation of open ports function.

The key difference between "open port" and "port triggering" is:

z Once the OK button is clicked and the configuration has taken effect, "open port"

keeps the ports opened forever.

z Once the OK button is clicked and the configuration has taken effect, "port triggering"

will only attempt to open the ports once the triggering conditions are met.

z The duration that these ports are opened depends on the type of protocol used. The

"default" durations are shown below and these duration values can be modified via

telnet commands.

TCP: 86400 sec.

UDP: 180 sec.

IGMP: 10 sec.

TCP WWW: 60 sec.

TCP SYN: 60 sec.

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