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Cisco Catalyst 2950 Command Reference

Cisco Catalyst 2950
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2-429
Catalyst 2950 and Catalyst 2955 Switch Command Reference
0L-10102-01
Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
shutdown
shutdown
Use the shutdown interface configuration command to disable a port and to shut down the management
VLAN. Use the no form of this command to enable a disabled port or to activate the management VLAN.
shutdown
no shutdown
Syntax Description This command has no arguments or keywords.
Command Modes Interface configuration
Command History
Usage Guidelines The shutdown interface configuration command for a port causes it to stop forwarding. You can enable
the port with the no shutdown command.
The no shutdown command has no effect if the port is a static-access port assigned to a VLAN that has
been deleted, suspended, or shut down. The port must first be a member of an active VLAN before it can
be re-enabled.
Only one management VLAN interface can be active at a time. The remaining VLANs are shut down.
In the show running-config command, the active management VLAN interface is the one without the
shutdown command displayed.
When you enter the shutdown command on an LRE switch, the switch disables the interface by
de-activating the MAC interface and the LRE chipset transmitter. Under some circumstances, the power
emitted by LRE switch ports can affect other LRE switch ports. We recommend that ports that are not
connected to CPE devices be shut down by using this command. You can also use this command to
disable access to the switch from a particular port.
Examples This example shows how to disable a port and how to re-enable it:
Switch(config)# interface fastethernet0/1
Switch(config-if)# shutdown
Switch(config-if)# no shutdown
You can verify your settings by entering the show interfaces privileged EXEC command.
Release Modification
12.0(5.2)WC(1) This command was introduced.

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Cisco Catalyst 2950 Specifications

General IconGeneral
Forwarding Bandwidth8.8 Gbps
Switching Capacity13.6 Gbps
Forwarding Rate6.6 Mpps
Weight3.6 kg
RAM16 MB
Flash Memory8 MB
Operating Humidity10% to 85% non-condensing
Uplink Ports2 x 10/100/1000Base-T
Dimensions4.4 cm x 44.5 cm x 24.2 cm
Remote Management ProtocolSNMP, Telnet, HTTP
FeaturesQuality of Service (QoS), VLAN support
Compliant StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p
Status Indicatorssystem
Operating Temperature0 to 45°C
Ports24 x 10/100 Ethernet ports
MAC Address Table Size8, 192 entries
Power SupplyInternal 100-240V AC, 50-60Hz

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