Chapter 31 Auto PD Recovery
XGS2220 Series User’s Guide
208
CHAPTER 31
Auto PD Recovery
31.1 Auto PD Recovery (for PoE models only) Overview
Things can go wrong with any network devices. A PD (for example, IP camera) may slow down or freeze
and need to be restarted if it is overworked or a bug causes a memory leak. When a connected PD
ceases to respond, Automatic PD Recovery allows the Switch to restart the PD by turning it off and on
without the need for on-site troubleshooting.
31.1.1 What You Can Do
Use the Auto PD Recovery screen (Section 31.2 on page 208) to enable and configure automatic PD
recovery on the Switch.
31.2 Auto PD Recovery
This screen lets you turn on automatic PD recovery on the Switch and its Ethernet ports. You can
configure whether the Switch uses LLDP or ping to check the current status of a connected PD.
The ping is sent through the Switch's default management IP address to the designated port. To ping the
PD, the port must share the same VLAN as the Switch's management VLAN.
Figure 149 Auto PD Recovery Application
The PD may stop responding to the Switch’s detection over ping or LLDP
during firmware upgrade. Disable the Auto PD Recovery function to
prevent damage to the PD caused by a power cutoff during firmware
upgrade.
Note: The following screens are available for the PoE models only.
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