Draytek Vigor2860 User Manual page 902

Target_gw
ip addr
ttl
interval [interval]
retry [retry]
status
E x a m p l
E x a m p
> wan detect status
WAN1: always on
WAN2: off
WAN3: off
WAN4: off
WAN5: off
> wan detect wan1 target 192.168.1.78
Set OK
> wan detect wan1 on
Set OK
> wan detect status
WAN1: on, Target=192.168.1.78, TTL=255
WAN2: off
WAN3: off
WAN4: off
WAN5: off
>
888
Set whether to use gateway as ping target. (1: yes 0: no)
Note that USB WAN (PPP mode) cannot support PING gateway
It means the IP address used for detection. Type an IP address in this
field.
It means to set the ping TTL value (work as trace route)
If you do not set any value for ttl here or just type 0 here, the
system will use default setting (255) as the ttl value.
Set the interval between each ping operation. Available setting is
between 1 and 3600. The unit is second.
[interval]: Type a value.
Set how many ping operations are retried before the Router judges
that the WAN connection is disconnected. Available setting is
between 1 and 255. The unit is times.
[retry] : Type a number.
It means to show the current status.
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Vigor2860 Series User's Guide