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
PortSecure: Yes
Dot1x: Yes
This is an example of output from the show interfaces command for a specified interface:
Switch# show interfaces fastethernet0/1
FastEthernet0/1 is up, line protocol is down
Hardware is Fast Ethernet, address is 0005.7428.09c1 (bia 0005.7428.09c1)
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Auto-duplex, Auto-speed
input flow-control is off, output flow-control is off
Last input never, output 4d21h, output hang never
Last clearing of "show interface" counters never
Input queue:0/75/0/0 (size/max/drops/flushes); Total output drops:0
Queueing strategy:fifo
Output queue :0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
1 packets input, 64 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
0 input packets with dribble condition detected
1 packets output, 64 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 PAUSE output
0 output buffer failures, 0 output buffers swapped out
This is an example of output from the show interfaces description command for an interface when the
interface has been described as Connects to Marketing by using the description interface configuration
command.
Switch# show interfaces gigabitethernet0/1 description
Interface Status Protocol Description
Gi0/1 up down Connects to Marketing
This is an example of output from the show interfaces pruning command for an interface when pruning
is enabled in the VTP domain:
Switch# show interfaces fastethernet0/1 pruning
Port Vlans pruned for lack of request by neighbor
Fa0/1 4,196
Port Vlan traffic requested of neighbor
Fa0/1 1,4
This is an example of output from the show interfaces stats command:
Switch# show interfaces stats
Vlan1
Switching path Pkts In Chars In Pkts Out Chars Out
Processor 3224706 223689126 3277307 280637322
Route cache 0 0 0 0
Total 3224706 223689126 3277307 280637322
Interface Vlan5 is disabled
FastEthernet0/1
Switching path Pkts In Chars In Pkts Out Chars Out
Processor 3286423 231672787 179501 17431060

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