Chapter 41 Auto PD Recovery
GS2220 Series User’s Guide
358
C HAPTER 41
Auto PD Re c o ve ry
41.1 Auto PD Re c o ve ry O ve rvie w
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.
41.1.1 Wha t You C a n Do
Use the Auto PD Re c o ve ry screen (
Section 41.2 on page 358) to enable and configure automatic PD
recovery on the Switch.
41.2 Auto PD Re c o ve ry
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.
Fig ure 270 Auto PD Recovery Application
The PD ma y sto p re spo nding to the Switc h’s de te c tion ove r ping o r LLDP
during firm wa re upg ra de . Disa b le the Auto PD Re c o ve ry func tio n to
pre ve nt da m a g e to the PD c a use d by a po we r c uto ff during firmwa re
upg ra de .
To open this screen, click Adva nc e d Applic a tio n > Auto PD Re c o ve ry.
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