Vigor3900 Series User’s Guide
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router for you to choose to send the request out.
Connection
Detection Host
Add
– click this button to have a field for adding a new IP
address. Assign an IP address or Domain name as a
destination to be detected whether the host is active (sending
reply to the router) or not. If not, the connection of WAN
interface will be regarded as breaking down. This function
is available when
Connection
Detection Mode
is set with
PING
or
HTTP
.
Save
– click this button to save the setting.
– click the icon to remove the selected entry.
Connection
Detection Interval
Assign an interval period of time for each detecting.
Connection
Detection Retry
Assign detecting times to ensure the connection of the WAN
interface. After passing the times you set in this field and no
reply received by the router, the connection of WAN
interface will be regarded as breaking down.
Vendor Class ID
(option 60)
It is used to identify the vendor type and the configuration
of a DHCP client.
DHCP Client ID
(option 61)
Type a string (in the field of Username) for identification of
client. It is required for the mode, DHCP (option 61).
Specify username and password as the DHCP client
identifier for some ISP.
Username
– Type a name for authentication.
Password
– It is optional. If you want, simply type a
password for authentication if you want.
Specify DNS
Enable
– Click it to enable the function of DNS specified.
It is used for local service (e.g., NTP, ping diagnostic) or
used for forwarding packets to PC on LAN/VPN.
Disable
– Click it to disable the function of DNS specified.
DNS
Add
– click this button to have a field for adding a new IP
address.
Save
– click this button to save the setting.
– click the icon to remove the selected entry.
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