Cisco Catalyst 2950 Command Reference

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Catalyst 2950 and Catalyst 2955 Switch Command Reference
0L-10102-01
Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
show env
show env
Use the show env user EXEC command to display fan information for the switch.
show env {all | fan | power | rps} [ | {begin | exclude | include} expression]
Syntax Description
Command Modes User EXEC
Command History
Usage Guidelines Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output
do not appear, but the lines that contain Output appear.
Examples This is an example of output from the show env all command:
Switch> show env all
FAN is OK
Internal POWER supply is FAULTY
RPS is present
RPS is supplying power
This is an example of output from the show env fan command:
Switch# show env fan
FAN 1 is FAULTY
This is an example of output from the show env power command:
Switch> show env power
Internal POWER supply is FAULTY
This is an example of output from the show env rps command:
Switch> sho env rps
RPS is supplying power
all Display both fan and temperature environmental status.
fan Display the switch fan status (only available in privileged EXEC mode).
power Display the internal power supply status.
rps Display the Redundant Power System (RPS) status.
| begin (Optional) Display begins with the line that matches the specified expression.
| exclude (Optional) Display excludes lines that match the specified expression.
| include (Optional) Display includes lines that match the specified expression.
expression Expression in the output to use as a reference point.
Release Modification
12.0(5.2)WC(1) This command was introduced.
12.1(12c)EA1 The fan and power keywords were added.

Cisco Catalyst 2950 Specifications

General

Forwarding Bandwidth	8.8 Gbps
Switching Capacity	13.6 Gbps
Forwarding Rate	6.6 Mpps
Weight	3.6 kg
RAM	16 MB
Flash Memory	8 MB
Operating Humidity	10% to 85% non-condensing
Uplink Ports	2 x 10/100/1000Base-T
Dimensions	4.4 cm x 44.5 cm x 24.2 cm
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Quality of Service (QoS), VLAN support
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p
Status Indicators	system
Operating Temperature	0 to 45°C
Ports	24 x 10/100 Ethernet ports
MAC Address Table Size	8, 192 entries
Power Supply	Internal 100-240V AC, 50-60Hz