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300-370 · Question #96

In a new deployment, your team has connected many access points in a single switch and you noticed that some access points are not getting power. Which command on a Cisco switch can give you the…

The correct answer is A. show power inline. To confirm if insufficient Power over Ethernet (PoE) is preventing access points from powering on, you need to check the remaining power budget on a Cisco switch.

Troubleshooting Wireless Infrastructure

Question

In a new deployment, your team has connected many access points in a single switch and you noticed that some access points are not getting power. Which command on a Cisco switch can give you the remaining power (Watts) to confirm if it is a PoE issue?

Options

  • Ashow power inline
  • Bshow power
  • Cshow post
  • Dshow poe

How the community answered

(29 responses)
  • A
    69% (20)
  • B
    3% (1)
  • C
    7% (2)
  • D
    21% (6)

Why each option

To confirm if insufficient Power over Ethernet (PoE) is preventing access points from powering on, you need to check the remaining power budget on a Cisco switch.

Ashow power inlineCorrect

The "show power inline" command on Cisco switches is used to display comprehensive information about the Power over Ethernet (PoE) status, including the total available power, used power, and importantly, the remaining power budget in Watts. This command directly addresses the need to confirm if insufficient power is causing APs not to power on, providing port-level detail as well.

Bshow power

While "show power" might exist in some contexts, "show power inline" is the specific command for detailed PoE power budget information on Cisco switches.

Cshow post

The "show post" command displays the results of the Power-On Self-Test (POST) and is unrelated to PoE power budgeting or consumption.

Dshow poe

While "poe" is related to Power over Ethernet, "show poe" is not the standard or most comprehensive command for checking inline power budget and status on Cisco switches; "show power inline" is the correct and specific command for this purpose.

Concept tested: Cisco switch PoE power monitoring

Source: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/12-2_55_se/command/reference/cr1/cli_s1.html

Topics

#PoE troubleshooting#switch commands#AP power

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