- Preface
- Using the Command-Line Interface
-
- Configuring Spanning Tree Protocol
- Configuring Multiple Spanning-Tree Protocol
- Configuring Optional Spanning-Tree Features
- Configuring EtherChannels
- Configuring Link-State Tracking
- Configuring Flex Links and the MAC Address-Table Move Update Feature
- Configuring UniDirectional Link Detection
- Configuring Resilient Ethernet Protocol
-
- Security Features Overview
- Preventing Unauthorized Access
- Controlling Switch Access with Passwords and Privilege Levels
- Configuring TACACS+
- Configuring RADIUS
- Configuring Kerberos
- Configuring Local Authentication and Authorization
- Configuring Secure Shell (SSH)
- Configuring Secure Socket Layer HTTP
- Configuring IPv4 ACLs
- Configuring IPv6 ACLs
- Configuring DHCP
- Configuring IP Source Guard
- Configuring Dynamic ARP Inspection
- Configuring IEEE 802.1x Port-Based Authentication
- Configuring Web-Based Authentication
- Configuring Port-Based Traffic Control
- Configuring IPv6 First Hop Security
- Configuring Cisco TrustSec
- Configuring FIPS
- Index
Configuring Internal Power Supplies
Information About Internal Power Supplies
See the switch installation guide for information about the power supplies.
How to Configure Internal Power Supplies
Configuring Internal Power Supply
You can use the power supply EXEC command to configure and manage the internal power supply on the switch. The switch does not support the no power supply EXEC command.
Follow these steps beginning in user EXEC mode:
1.
power
supply
switch_number
slot{A |
B} {
off
|
on
}
2.
show environment power
DETAILED STEPS
Monitoring Internal Power Supplies
Command |
Purpose |
---|---|
show environment power [ all | switch switch_number ] |
(Optional) Displays the status of the internal power supplies for each switch in the stack or for the specified switch. The range is 1 to 9, depending on the switch member numbers in the stack. The switch keywords are available only on stacking-capable switches. |
Configuration Examples for Internal Power Supplies
This example shows how to set the power supply in slot A to off:
Switch# power supply 1 slot A off Disabling Power supply A may result in a power loss to PoE devices and/or switches ... Continue? (yes/[no]): yes Switch# Jun 10 04:52:54.389: %PLATFORM_ENV-6-FRU_PS_OIR: FRU Power Supply 1 powered off Jun 10 04:52:56.717: %PLATFORM_ENV-1-FAN_NOT_PRESENT: Fan is not present Switch#
This example shows how to set the power supply in slot A to on:
Switch# power supply 1 slot A on
Jun 10 04:54:39.600: %PLATFORM_ENV-6-FRU_PS_OIR: FRU Power Supply 1 powered on
This example shows the output of the show env power command:
Field | Description |
---|---|
OK |
The power supply is present and power is good. |
Not Present |
No power supply is installed. |
No Input Power |
The power supply is present but there is no input power. |
Disabled |
The power supply and input power are present, but power supply is switched off by CLI. |
Not Responding |
The power supply is not recognizable or is faulty. |
Failure-Fan |
The power supply fan is faulty. |
Additional References
Error Message Decoder
Description | Link |
---|---|
To help you research and resolve system error messages in this release, use the Error Message Decoder tool. |
https://www.cisco.com/cgi-bin/Support/Errordecoder/index.cgi |
MIBs
MIB | MIBs Link |
---|---|
All supported MIBs for this release. |
To locate and download MIBs for selected platforms, Cisco IOS releases, and feature sets, use Cisco MIB Locator found at the following URL: |
Technical Assistance
Description | Link |
---|---|
The Cisco Support website provides extensive online resources, including documentation and tools for troubleshooting and resolving technical issues with Cisco products and technologies. To receive security and technical information about your products, you can subscribe to various services, such as the Product Alert Tool (accessed from Field Notices), the Cisco Technical Services Newsletter, and Really Simple Syndication (RSS) Feeds. Access to most tools on the Cisco Support website requires a Cisco.com user ID and password. |
Feature History and Information for Internal Power Supplies
Release |
Modification |
---|---|
Cisco IOS 15.0(2)EX1 |
This feature was introduced. |