Cisco Catalyst 2950 Command Reference

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Catalyst 2950 and Catalyst 2955 Switch Command Reference
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Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
show interfaces
Route cache 0 0 0 0
Total 3286423 231672787 179501 17431060
This is an example of output from the show interfaces status command. It displays the status of all
interfaces.
Switch# show interfaces status
Port Name Status Vlan Duplex Speed Type
Fa0/1 notconnect 1 auto auto 10/100BaseTX
Fa0/2 notconnect 1 auto auto 10/100BaseTX
Fa0/3 disabled 100 auto auto 10/100BaseTX
Fa0/4 connected trunk a-full a-100 10/100BaseTX
Fa0/5 notconnect 1 auto auto 10/100BaseTX
Fa0/6 connected trunk a-full a-100 10/100BaseTX
<output truncated>
This is an example of output from the show interfaces status err-disabled command. It displays the
status of interfaces in error-disabled state.
switch# show interfaces fastethernet0/1 status err-disabled
Port Name Status Reason
Fa0/1 err-disabled psecure-violation
This is an example of output from the show interfaces etherchannel command when port channels are
configured on the switch:
Switch# show interfaces etherchannel
----
FastEthernet0/1:
Port state = Up Mstr In-Bndl
Channel group = 1 Mode = On/FEC Gcchange = 0
Port-channel = Po1 GC = 0x00010001 Pseudo port-channel = Po1
Port index = 0 Load = 0x00
Age of the port in the current state:00d:00h:06m:54s
----
Port-channel1:
Age of the Port-channel = 09d:22h:45m:14s
Logical slot/port = 1/0 Number of ports = 1
GC = 0x00010001 HotStandBy port = null
Port state = Port-channel Ag-Inuse
Ports in the Port-channel:
Index Load Port EC state
------+------+------+------------
0 00 Fa0/1 on
Time since last port bundled: 00d:00h:06m:54s Fa0/1
This is an example of output from the show interfaces flowcontrol command. Table 2-22 lists the fields
in this display.
Switch# show interfaces flowcontrol
Port Send FlowControl Receive FlowControl RxPause TxPause
admin oper admin oper
----- -------- -------- -------- -------- ------- -------
Fa0/1 Unsupp. Unsupp. off off 0 0
Fa0/2 Unsupp. Unsupp. off off 0 0
<output truncated>
Gi0/1 desired off off off 0 0

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