Operation Manual

Vigor2760 Series User’s Guide
97
Detect as detection mode, you have to type Primary or
Secondary IP address in this field for pinging.
 Ping Gateway IP – If you choose Ping Detect as
detection mode, you also can enable this setting to use
current WAN gateway IP address for pinging.
With the IP address(es) pinging, Vigor router can check
if the WAN connection is on or off.
 TTL (Time to Live) – Set TTL value of PING
operation.
 Ping Interval – Type the interval for the system to
execute the PING operation.
 Ping Retry – Type the number of times that the system
is allowed to execute the PING operation before WAN
disconnection is judged.
MTU
It means Max Transmit Unit for packet. The default setting
is 1492.
RIP Protocol
Routing Information Protocol is abbreviated as RIP
（RFC1058）specifying how routers exchange routing
tables information. Click Enable RIP for activating this
function.
TTL
Change the TTL value – Enable or disable the TTL (Time
to Live) for a packet transmitted through Vigor router.
Enable - TTL value will be reduced (-1) when it passess
through Vigor router. It will cause the client, accessing
Internet through Vigor router, be blocked by certain ISP
when TTL value becomes “0”.
Disable – TTL value will not be reduced. Then, when a
packet passes through Vigor router, it will not be cancelled.
That is, the client who sends out the packet will not be
blocked by ISP.
WAN IP Network
Settings
This group allows you to obtain an IP address automatically
and allows you type in IP address manually.
WAN IP Alias - If you have multiple public IP addresses
and would like to utilize them on the WAN interface, please
use WAN IP Alias. You can set up to 8 public IP addresses
other than the current one you are using.