POE device flapping on switch access port

I have a switch at a remote office. I have a Cisco 2851 Router and two cisco 3650 POE switches. I also have three Aruba 105 POE APs. Two are plugged into one switch, and one into another. Yesterday we had a power issue that caused all of the equipment to reboot. Everything came back up fine except the two Aruba APs that are plugged into a single switch. The other AP came up fine. When I do a show power inline, the two APs show that they are getting power from the switch.
Interface Admin Oper       Power   Device              Class Max
Fa0/1     auto   on         15.4    Ieee PD             3     15.4
Fa0/2     auto   on         15.4    Ieee PD             3     15.4
When I do a show log, it keeps showing the two interfaces going up and down every couple seconds.
006983: *Mar 1 16:33:39: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
006984: *Mar 1 16:33:59: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down
006985: *Mar 1 16:34:00: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to down
006986: *Mar 1 16:34:02: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
006987: *Mar 1 16:34:05: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
006988: *Mar 1 16:34:43: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down
006989: *Mar 1 16:34:44: %LINK-3-UPDOWN: Interface FastEthernet0/2, changed state to down
006990: *Mar 1 16:34:59: %LINK-3-UPDOWN: Interface FastEthernet0/2, changed state to up
When I do a show mac-address-table, I can only see the two missing APs for the brief moments that the interface is up.
What I'm trying to find out, is can this still be a part of the running configuration that never got saved or did the power disruption just cause a hardware/cabling problem?

Unfortunately that's not an option here unless I ship mine out and walk a standard non-technical user through the process. But I will tell you that we moved the AP that was in port one into several other ports on the same switch with no response from the lights, show power inline command, didn't show in the MAC-address-table and then it finally worked on port 31. We moved the AP that was in FA 0/2 into several other ports as well as replaced the cable between the switch and patch panel and the only thing I show is that it registers under the show power inline command, but no light on the port and nothing in the mac-address-table. The AP is located in the ceiling so replacing it will be a last resort.
Basically I'm wondering if the device is showing power but not mac in the address table, does that demonstrate that the layer 1 is working correctly?

Similar Messages

SG300-28P - POE not correctly supported on all ports - possible firmware or hardware issue

So, I spent some time this weekend troubleshooting the issues I've had with the new SG300-28P switch and POE to many of my devices in the office. As a recap, I cannot utilize all of the 24 POE ports on the switch for POE purposes. Really only every other port [with a few odd combinations thrown in between]. In addition, the SG300-28P switch, on occasion, is sending POE to non-POE devices [e.g. my Ruckus Zone Director 1106].
Here are my POE devices [all 802.3 af-compliant]:
3 Ruckus 7982 access points
1 Pakedge access point
2 home-automation controllers
2 Polycom voip phones
I called Cisco support several times in regards to this problem, and they figured it was a hardware issue - a faulty switch. So, Cisco sent me a replacement SG300-28P, which I hooked up today. The exact problem still occurs. Default configuration [fresh out of the box]. No way I can land, for example, the 3 Ruckus 7982 AP's on ports 1, 2, and 3 [or ports 1,13, and 2]. I have to put them on ports 1, 3, and 5 in order for them to power up. In addition, I can't plug any other POE devices on the ports either between or below them.   I had to skip another port bay. This is very odd behavior!!   Two Cisco SG300-28P's in a row with the same problem.
However, I also had one of the new Cisco SG300-10P switches in my possession for a recent project of ours. I decided to hook up the same POE devices to this switch. ALL POE devices were recognized and worked! No need to skip a port. And it didn't matter what device was plugged in first or not. I am now convinced that it is either a hardware issue [bad power supply/transformer?] inside all of the SG300-28P switches, or a firmware issue.
Both of the SG300-28P switches were running firmware 1.1.2 [the latest on Cisco's website]. So, I decided to install an older firmware version on the SG300-28P switch that I'm returning [installed 1.1.1.8].   Here's what I found out. I could then plug 2 POE devices [e.g. two Ruckus AP's] in adjacent horizontal ports, but not three in a row. In addition, not all adjacent ports. It's funky. For example, I could plug an access point in ports 20 and 21, but not in 21 and 22. No rhyme or reason in how it worked. And I still couldn't plug an access point in adjacent vertical ports [e.g. ports 1 and 13]. BUT...
It's interesting that the same exact switch that would not initially allow 2 horizontally-adjacent POE ports to be utilized WOULD allow 2 horizontally-adjacent POE ports to be utilized when running a different firmware version.   It's also interesting to note that when plugged into a "non-working" POE port, the SG300-28P would actually make a small whining noise. Very subtle noise; I could hear it when approx. 1ft away from the switch.   The noise was not noticeable when ports were skipped [and POE actually worked]. Therefore, I believe that Cisco has some SG300-28P firmware bugs [at least in the last two versions of firmware] that is not truly allowing all 24 ports to utilize POE correctly. This problem does not exist with the SG300-10P switch.
I'm really interested to hear what Cisco's reply and findings on this matter would be. And would welcome a reply from one of their senior support team members/managers who could actually experiment with this, too.   In addition, I'd like to know when they think a solution could be created if it's firmware-related. If hardware-related, I don't think I'll be recommending any 28P switches in our projects. Perhaps just the regular SG300-28 with a separate SG300-10P. It's a shame because the SG300-28P is more of a bargain when compared to the two separate components.

show power inline
Port based power-limit mode
Unit Power Nominal Power   Consumed Power   Usage Threshold   Traps
1     On      180 Watts     13 Watts (7%)          95         Disable
Port      Powered Device         State          Status    Priority   Class
gi1                               Auto            On      critical class0
gi2                              Never           Off        low     class0
gi3                               Auto        Searching   critical class0
gi4                              Never           Off        low     class0
gi5                               Auto            On      critical class0
gi6                              Never           Off        low     class0
gi7                               Auto            On      critical class2
gi8                               Auto        Searching     low     class0
gi9                               Auto        Searching     low     class0
gi10                              Auto        Searching     low     class0
gi11                              Auto        Searching     low     class0
gi12                             Never           Off        low     class0
gi13                             Never           Off        low     class0
gi14                             Never           Off        low     class0
gi15                             Never           Off        low     class0
gi16                             Never           Off        low     class0
gi17                             Never           Off        low     class0
gi18                             Never           Off        low     class0
gi19                             Never           Off        low     class0
gi20                              Auto        Searching     low     class0
gi21                             Never           Off        low     class0
gi22                              Auto        Searching     low     class0
[0mMore: , Quit: q or CTRL+Z, One line:                                                          gi23                              Auto        Searching     low     class0
gi24                              Auto        Searching     low     class0
show power inline gigabitethernet xx (for each device plugged in)
Port      Powered Device         State          Status    Priority   Class
gi1                               Auto            On      critical class0
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is on - valid resistor detected
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            3
Invalid Signature Counter: 17583
Port      Powered Device         State          Status    Priority   Class
gi2                              Never           Off        low     class0
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is off - user setting
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            0
Invalid Signature Counter: 0
Port      Powered Device         State          Status    Priority   Class
gi3                               Auto        Searching   critical class0
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is off - detection is in process
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            2
Invalid Signature Counter: 1
Port      Powered Device         State          Status    Priority   Class
gi4                              Never           Off        low     class0
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is off - user setting
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            0
Invalid Signature Counter: 0
Port      Powered Device         State          Status    Priority   Class
gi5                               Auto            On      critical class0
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is on - valid resistor detected
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            0
Invalid Signature Counter: 0
Port      Powered Device         State          Status    Priority   Class
gi7                               Auto            On      critical class2
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is on - valid resistor detected
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            0
Invalid Signature Counter: 0
Port      Powered Device         State          Status    Priority   Class
gi13                             Never           Off        low     class0
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is off - user setting
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            1
Invalid Signature Counter: 0
Port      Powered Device         State          Status    Priority   Class
gi14                             Never           Off        low     class0
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is off - user setting
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            0
Invalid Signature Counter: 0
show interfaces advertise gigabitethernet xx (for what ports are of interest)
Port: gi9
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f 1000h 100f 100h 10f 10h
Admin Local link Advertisement    yes    no     yes   yes   yes yes
Oper Local link Advertisement     -      -      -     -     -    -
Oper Remote link Advertisement    -      -      -     -     -    -
Priority Resolution               -      -      -     -     -    -
Port: gi10
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f 1000h 100f 100h 10f 10h
Admin Local link Advertisement    yes    no     yes   yes   yes yes
Oper Local link Advertisement     -      -      -     -     -    -
Oper Remote link Advertisement    -      -      -     -     -    -
Priority Resolution               -      -      -     -     -    -
Port: gi11
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f 1000h 100f 100h 10f 10h
Admin Local link Advertisement    yes    no     yes   yes   yes yes
Oper Local link Advertisement     -      -      -     -     -    -
Oper Remote link Advertisement    -      -      -     -     -    -
Priority Resolution               -      -      -     -     -    -
Port: gi21
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f 1000h 100f 100h 10f 10h
Admin Local link Advertisement    yes    no     yes   yes   yes yes
Oper Local link Advertisement     -      -      -     -     -    -
Oper Remote link Advertisement    -      -      -     -     -    -
Priority Resolution               -      -      -     -     -    -
Port: gi22
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f 1000h 100f 100h 10f 10h
Admin Local link Advertisement    yes    no     yes   yes   yes yes
Oper Local link Advertisement     -      -      -     -     -    -
Oper Remote link Advertisement    -      -      -     -     -    -
Priority Resolution               -      -      -     -     -    -
Port: gi23
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f 1000h 100f 100h 10f 10h
Admin Local link Advertisement    yes    no     yes   yes   yes yes
Oper Local link Advertisement     -      -      -     -     -    -
Oper Remote link Advertisement    -      -      -     -     -    -
Priority Resolution               -      -      -     -     -    -

Using 79xx Phone PC access port to connect a Netgear 5 port switch

Cisco documentation indicates that on 79xx phones you can "Use the PC access port to connect a network device, such as a computer, to the phone". What types of problems might be encountered if that device is a Netgear Fast Ethernet Unmanaged FS105 five port switch? Is there any documentation indicating whether this "supported" or "not supported"?
I know that the speed on the devices connected to the Netgear will be cut to 10/100. The devices connected to the Netgear would include - at a minimum - a computer and a Cisco wireless access point. Other devices which might be connected could include additional computers and/or a printer.
The computer(s) would also need to access a distributed video stream daily.
We are running CallManager 8.6.2.21900-5 with phone types: 7940, 7941, 7945, 7965
Thanks for any insight you might be able to provide.

Will Cisco support you doing this? Not likely.
Will it work? I suppose, in theory, it should. Just don't complain if it doesn't.
GTG

POE Switches vs Non POE Devices

hi, since we installed our new POE switches in different point of services (C2960X Software (C2960X-UNIVERSALK9-M), Version 15.0 (2) EX5).
Sometimes power is discovered on non POE devices..And do a reset on the interface..
Generally these devices are UNIX cash register. The easy way to remedy to this problem is to disable the POE ..But we will eventually needs POE on each interfaces..
Someone has an idea of why the switch detect a POE device even if he is not? .. Or any workaround suggestion, we only need POE on our CISCO POE devices, LLDP is globally disabled.
Mar 17 10:55:14.022 EDT: %ILPOWER-7-DETECT: Interface Gi1/0/28: Power Device detected: IEEE PD
Mar 17 10:55:17.189 EDT: %ILPOWER-5-POWER_GRANTED: Interface Gi1/0/28: Power granted
Mar 17 10:55:17.301 EDT: %ILPOWER-5-IEEE_DISCONNECT: Interface Gi1/0/28: PD removed
Mar 17 10:55:18.325 EDT: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/28, changed state to down
Mar 17 10:55:20.335 EDT: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/28, changed state to up

Like everyone has already pointed out, a PoE device will need to be connected directly to a 802.3af compliant PoE switch. If you only have one jack for every workstation, then you will have to connect the phone to the wall/switch, and connect the computer to the phone. If you have separate data and voice vlans (like you should), 802.1q will need to be configured for the port as well.
PoE injectors are a great if you have them installed here and there, but if every port has one it will be a mess and PITA to work with since there will be double the Ethernet and as many power cords as you have injectors.
I stated 802.3af earlier because I've come across "PoE" devices (mainly from ubiquity) that still need an injector even though the switch is PoE.

Configuring - Cisco 2921 with Switch Module/POE PS and 3750-x 24 port switch

This is what I have
- Cisco 2921 router
         with SM-ES2-24-P switch module and
                 POE power supply
-Cisco 3750x- 24 port Switch
I have port G1/0 (which connects to 24p Switch Module port g0/26 logically) configured with 3 sub interfaces (management, User and VOIP)
I want to connect 3750x to G0/1 on 2921 via fiber GBIC but want to use same three VLANs
I can not daisy chain 3750x via the switch module because it does not have fiber port.
I do not want to create another routed (g0/1) interface because I want to keep Users on both switches on the same subnet without further splitting the subnet in two.
I hope I am not making this confusing.
How can I bridge g1/0 and g0/1 so I can pass vlan traffic between two switches?
Second problem i have is ...
I have a VOIP connected to switch module (SM) and it is not getting any power.
I went in to all the interfaces on SM and issued power inline auto command
On the SM (sh power inline) - available is 0.0(w)
on the 2921 (sh power inline)
   - power supply status is good,
   - maximun power available is 280.
   - interface G1/0( which connects to SM)
      *device is unknown
      * powered off
     * allocated 0.0 watts.
I already tried resetting SM
Is there any other command I need to issue?
thanks for your help.

I'm having a similar issue. I can get trunked connectivity between the switch module and the router if I put the IP address on the router sub interface, but not if I put it on a VLAN interface. I was hoping to have it on a VLAN sub interface on the router so I could use Gig0/1 and Gig0/2 to connect other switches and have them on the same VLANs. I'm using Gig1/0 on the router side and Gig0/51 on the switch side (48-port module).
Any help? Am I on the wrong track altogether?

Device on the switch port does not match the switch port on the device.

I have a HP 2910al-48G switch with bunch of HP 6200 pro connected to it. The devices on the switch under the VLANs tab show up at the correct port (if they do which is question #2) except for one device. For some reason, a different device shows up on the switch. But if i go to the device page, it shows it is connected to the correct port on the device.
e.g., On the switch, port 14 shows PC01 when in fact PC02 should be connected.
If i go to PC02 page, then it correctly says it is connected to port 14.So how can i manually edit the device info on the VLAN page?
This topic first appeared in the Spiceworks Community

Settings | Date and Time then select Automatic date & time, and Automatic time zone. In this way, the carrier time will populate the phone. If it's still going 1hour off, then I'd call VZW and inquire if they have a tower issue, specially if it happens in one particular place.

Cisco 3750x 24 port poe switch single port is faulty.

what i can do if my cisco 3750x 24 port poe switch single port is faulty ????

Duplicate posts.
Go here: http://supportforums.cisco.com/discussion/12187366/cisco-3750x-24-port-poe-switch-failure

ASA 5505 switch from Mode: access Port to Trunk on the fly via CSM ?

Hi
Can I configure the Port at the ASA 5050 from Mode: access Port to trunk during the FW is running in a production area without console access ?
As I know at the 5505 ist should work
sincerley
Alfred

Are you using the same access port to access the ASA via CSM? If you are, then i would strongly recommend console access.
If you are using a different port to make the changes, then yes you can configure it. However, I would still recommend configuring it during non production hour, just in case there is an issue.

SG Switch SNMP Port Control Problems

Hello All,
I'm trying to disable/enable ports via snmp v2 on a Cisco SG500-52P-K9-V01 switch. The communties are setup properly and I even have successful snmpset commands which when queried display that the action was complete. The issue is that when I disable the port via snmp the device on that port does not drop offline. This is a PoE port with a device powered over PoE so I'd expect the port to disable but also the PoE to turn the device off - neither happens.
Has anyone had experience with port management on this device? I also noticed the interface IDs (for port 1 for discussion) are 1, 101, 201 etc. I've tried setting on 1 and 101 only but the results have been the same and what were mentioned above.
Any help or suggestions would be appreciated. I've tested on other switches and this works without any trouble.
Thanks!

I believe I've figured out the offsets. The FastE seems to be at a 0 offset, so port 22 is is 22 and then we go to GigE and port 22 would be at index 70.
Now that I've figured this out I can't for the life of me get an snmp set to work. I've tried enable/disable/testing and also tried basic OID set for sysName and sysDesc. Has anyone had luck using SNMP write on these switches? Is there a setting that I'm missing? I've set the SNMP access mode to SNMP Admin and the View Name to DefaultSuper and my write community is set properly. No luck...

Monitoring access ports with DFM

Hello,
I need to monitor access port for utilization and high broadcasts and errors on Catalyst switch.
I can easily change access port in device details of the switch to managed state and it detects the thresholds fine.
Problem comes when user turn off the PC. The port comes to operationally down status which appears as a critical error in DFM.
I don´t want to monitor up-down status of access ports, but I can´t find out how to turn it off.
Do you have any idea?
Thank you.

sistemas2.macae.rj.gov.br:82
That should work. I confirmed it on my server using http on port 84.
Are you sure that the server is working and you have access? When I tried the example you gave, I get access denied.

Disable snmp trap link-status only on access ports?

Hello,
I am searching for a way to disable the snmp trap link-status only on access ports.
The problem is that we have a lot of new devices which have no port scheme, so I can't say that everytime the router uplink on a switch is on port X or Y.
So I have to figure out where my uplinks to routers, accesspoints or other switches are and set all other ports to
no snmp trap link-status
no logging event link-status
spanning-tree portfast
Campus Manager knows the uplinks between the devices, but there is no way to perform such a change, right?
The next problem is, that there is nothing configured on the ports, so I can't search for a string by using compliance check in RME.
Is there any posibility to get the topology informations from CM together with the configuration feature from RME?
Thanks a lot!
Sven

Hello,
thanks for your reply.
I thought of something like you wrote...
There is a best practice report for disabling cdp on access ports.
Creating this report for a switch and click on "fix" the CM will configure the command "no cdp enable" on every access port.
So I will have a difference between uplinks and access ports.
The problem with that solution is, that I can't fix all my switches with one job.
And with >1000 switches it is not really possible to click every device.
Any further advice?
Thanks!
Sven

Changing Link ports to Access ports in LMS 4.1

One of techs accidentally connected two access ports from different switches together. Since then, LMS is alerting them as being Link ports down. I tried to default the config and set them to access ports without any success. Any idea what I should do in LMS to recognize them as access ports? Thank you.

Rediscovering the device is sufficient.
Cheers,
Michel

MAC flapping reported between 2 port channels on Nexus 5596

Hi all, I'm seeing messages like the following reported on a Nexus 5596:
2015 Jan 7 12:40:48.954 Switch-5596A %FWM-6-MAC_MOVE_NOTIFICATION: Host 00ab.cdef.0123 in vlan 104 is flapping between port Po5 and port Po10
Po5 is connected to a storage cluster and is configured as an access port. It is connected to 2 Nexus 5596 switches using vpc.
interface port-channel5
description Storage Shelf 1
priority-flow-control mode off
switchport access vlan 104
spanning-tree port type edge
spanning-tree bpduguard enable
speed 10000
flowcontrol receive on
vpc 5
Po10 is the uplink to the core switch:
interface port-channel10
description uplink
switchport mode trunk
switchport trunk native vlan 2702
switchport trunk allowed vlan 64,94,104,124
spanning-tree port type network
speed 10000
vpc 10
Any ideas on why we would be seeing these log messages?
Thank you.

You need to trace this mac address: - 00ab.cdef.0123 and check if this has dual nic card if yes then check if nic teaming is configured correctly ...then shut down one of the link and see if you are learning the same mac address on two different ports?
HTH

How to create a Access Port in ASR901

Hi
I was tried to configured an ASR901 access port for my customer POC in ASR 901 but fail.
It does not support for switchport access VLAN commad .
I have suscessful setup a port-channel in ASR901 to the Alcatel switch and the LACP is up and in bundded state.
The question is how can I configure a access port mode (VLAN 100) in ASR901? The PC will need to
perform a PC Ping test from the ASR901 access port to the ALU Access port via the port-channel that I have configured.
I try to plug in my PC to the port Gi0/4 then run the Ping test from my PC to another PC that connected to Alcatel switch but fail as well.
PC (VLAN 100) Gi0/4 --- ASR901 --(LACP)--ALU --- PC (VLAN 100)
ASR901 configuration
interface Port-channel1
no negotiation auto
service instance 10 ethernet
encapsulation dot1q 100
bridge-domain 10
service instance 20 ethernet
encapsulation dot1q 200
bridge-domain 20
interface GigabitEthernet0/0
no negotiation auto
service instance 10 ethernet
encapsulation untagged
bridge-domain 10
interface GigabitEthernet0/1
negotiation auto
channel-group 1 mode active
interface GigabitEthernet0/2
negotiation auto
channel-group 1 mode active
interface GigabitEthernet0/3
speed 100
duplex full
no negotiation auto
interface GigabitEthernet0/4
no negotiation auto
cdp enable
service instance 10 ethernet
encapsulation dot1q 100
rewrite ingress tag pop 1 symmetric
bridge-domain 10
interface GigabitEthernet0/5
speed 100
duplex full
no negotiation auto
service instance 20 ethernet
encapsulation untagged
bridge-domain 10
interface GigabitEthernet0/6
speed 100
duplex full
no negotiation auto
service instance 10 ethernet
encapsulation untagged
bridge-domain 10
interface GigabitEthernet0/7
no negotiation auto
service instance 10 ethernet
encapsulation untagged
bridge-domain 10
Tq

Hi alexander,
But for function module MAster_idoc_distribute.
What are the parameters i need to pass for Logical systems and what i have to give in the Model distribute .
Can you explain me detail.How the sys knows have to maintain for sender and recevier sys.
As File port new to me.
Regards,
Madhavi.

My trackball/mouse hangs! They work,then they don't. If I switch usb ports they work for a while.

I have a Pavilion a1657c using Windows XP. I use a Kensington trackball and lately it has been hanging up on me. I switched to a Logitech mouse and it did the same thing. Now, I have both plugged in and if I switch usb ports one of them will work for a short period of time and then hangs. If I switch usb ports again, one of them will work for a while....I never know which one is going to work..very sporadic and it is driving me nuts. I am semi-literate with computers, but no whiz. Somebody help me of this road to nutsville..?

Hello icnhndlu, This appears to be a USB common issue, since you mention the issue occurs on different USB ports and devices.
This may be a hardware fault, but you might try uninstalling all the USB devices in the Control Panel, Device Manager. Then reboot the system and see if the operating system will detect new hardware and install the drivers for the new hardware.
The drivers are provided by Microsoft within the operating system.
Not sure this will work, but may be worth a try.
Please click the White Kudos star on the left, to say thanks.
Please mark Accept As Solution if it solves your problem.

POE device flapping on switch access port

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