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v2PoeIfPdAliveCfgTable(3)
child OID: Child OID separator v2PoeIfPdAliveCfgEntry(1) Child OID separator
 
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Description:

v2PoeIfPdAliveCfgTable OBJECT-TYPE
SYNTAX SEQUENCE OF V2PoeIfPdAliveCfgEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table consists of a list of configuration for the PD
alive check function for ports.
The PD alive check feature provides the solution for
PD device that has the stop working or no response
problem via Ping mechanism.
Detailed Process:
The detailed processes are described as follows:
1. The system needs to periodically monitor the
specific PD by using Ping function. If there is no
response, system takes one of the following actions:
(1) Reset: Switch resets (disable then enable) PoE
power on the port which connects to a PD under monitoring.
(2) Notify: Switch sends logs and traps to notify the administrator.
(3) Both: Switch sends logs and traps, and resets the PoE port power.
2. The system should implement the retry mechanism to check
PD aliveness, hence the system will reset the PoE port power
feeding after the retry by using Ping without any response from a PD.
3. If the action is Reset or Both, the system needs
to wait for PD recovery from rebooting and then executes
the Ping function again. Besides, the waiting time can
be configured by users.
4. If PoE schedule (time range) function is configured
on the port which enables the PD Alive Check function,
the time range function has the top priority, and
therefore PD Alive Check function will not work
while PoE time range function is still active.
5. This function only takes effect on PoE enabled
port with power feeding.
Note: It is required to setup IP settings properly that
the PD can be reachable for Ping, otherwise this function
cannot work as expected.
Limitation
1. Support Ping Function: If the PD does not support ICMP,
this function cannot work normally.
2. Direct-Connected PD: The Reset Action can only work on
the direct-connected PD. If the PD is not connected directly,
the Reset Action may not work as expected.
3. PD Also Acts as PSE: If the direct-connected PD is also a PSE,
all the next level PDs connect to this PSE will be power cycling
whenever PD Alive Check function takes effect on 'Reset' or 'Both' Action."


 
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Tree display Parent OID: v2PoeIfObjects(2) First child OID: v2PoeIfPdAliveCfgEntry(1) First sibling OID: v2PoeIfCfgTable(1) Previous sibling OID: v2PoeIfInfoObjects(2)
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