User's Guide

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TRENDnet User’s Guide
Managed Industrial L2 Switch
89
PD Alive Check
The function has a global state configuration. If the global state configuration is
enabled. The Switch will check the configurations of every port.
If the port’s state is enabled, the Switch will send keep-a-live probe packet every
interval time. If the host cannot respond when the keep-a-live probe packet count
is over the retry times, the Switch performs the action, reboot/alarm/all to the
Power Device, depending on the port’s configuration.
Power OFF Time (sec):
When PD has been rebooted, the PoE port restored power after the
specified time.
Default:15, range: 3-120 sec.
Start up Time (sec):
When PD has been start up, the Switch will wait Start up time to do PoE
Auto Checking.
Default: 60, range: 30-600 sec.
Interval Time (sec):
Device will send checking message to PD each interval time.
Default: 30, range: 10-120 sec.
Action:
The action when the failure detection.
All: Send an alarm message to inform the administrator and then reboot
the PD.
Alarm: Just send an alarm message to inform the administrator.
None: Keep Ping the remote PD but does nothing further.
Reboot: Cut off the power of the PoE port, make PD rebooted.
CLI Configuration
Node
Command
Description
enable
show pd-alive
This command displays the
configuration of the PD Alive Check.
configure
pd-alive (disable|enable)
This command disables or enables
the global PD Alive Check for the
Switch.
interface
pd-alive action
(reboot|alarm|all|none)
This command configures the
action when the system detects
that the host cannot respond the
keep-a-live probe packet.
interface
pd-alive interval VALUE
This command configures the
interval to send the keep-a-live
probe packets to check if the host is
still alive for the specific port.
interface
pd-alive ip IP_ADDR
This command configures the Host
IP address which connects to the
specific port.
interface
pd-alive retry-time VALUE
This command configures the retry
times when no response from the
host for the keep-a-live probe
packet for the specific port.
interface
pd-alive power-off-time VALUE
startup-time VALUE
This command configures the
power-off time and startup time.