Cisco Catalyst 4500 Series Command Reference Guide

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show environment
show environment
To display the environment alarm, operational status, and current reading for the chassis, use the show
environment command.
show environment [alarm] | [status [chassis | fantray | powersupply | supervisor]] |
[temperature]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
Command History
Examples This example shows how to display information about the environment alarms, operational status, and
current temperature readings for the chassis:
Switch# show environment
no alarm
Chassis Temperature = 32 degrees Celsius
Chassis Over Temperature Threshold = 75 degrees Celsius
Chassis Critical Temperature Threshold = 95 degrees Celsius
Power Fan
Supply Model No Type Status Sensor
------ --------------- --------- ----------- ------
PS1 PWR-C45-1400AC AC 1400W good good
PS2 none -- -- --
Power Supply Max Min Max Min Absolute
(Nos in Watts) Inline Inline System System Maximum
-------------- ------ ------ ------ ------ --------
PS1 0 0 1360 1360 1400
PS2 -- -- -- -- --
alarm (Optional) Specifies the alarm status of the chassis.
status (Optional) Specifies the operational status information.
chassis (Optional) Specifies the operational status of the chassis.
fantray (Optional) Specifies the status of the fan tray, and shows fan tray power consumption.
powersupply (Optional) Specifies the status of the power supply.
supervisor (Optional) Specifies the status of the supervisor engine.
temperature (Optional) Specifies the current chassis temperature readings.
Release Modification
12.1(8a)EW Support for this command was introduced on the Catalyst 4500 series switch.
12.1(12c)EW Support for the ability to display generic environment information with the show
environment command was added.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E