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 controllers ethernet-controller
Related Commands
Broadcast Frames The total number of frames successfully received on an interface that are directed to broadcast
addresses.
Dropped Frames The total number of frames successfully received on an interface that are dropped.
Pause Frames The number of pause frames received on an interface.
Alignment Errors The total number of frames received on an interface that have alignment errors.
Fragments The number of frames received on the interface that are smaller than 64 bytes and an invalid
FCS value.
Undersize Frames The total number of frames received on an interface that are smaller than 64 bytes.
Oversize Frames The total number of frames received on an interface that are the larger than 1518 bytes.
FCS Errors The total number of frames received on an interface that have a valid length (in bytes) but do
not have the correct FCS values.
Excess Size Discards The total number of frames received on an interface that are dropped because they are larger
than 1518 bytes.
Jabbers The total number of frames received on an interface that are larger than 1522 bytes and have
either an FCS or alignment error.
Source Address Chang The total number of frames received on an interface for which the source address changed.
Symbol Errors The total number of frames received on an interface that have a valid length (in bytes) but have
the symbol errors.
65 to 127 byte Frames The total number of frames that are from 65 to 127 bytes.
128 to 255 byte Frames The total number of frames that are from 128 to 255 bytes.
256 to 511 byte Frames The total number of frames that are from 256 to 511 bytes.
512 to 1023 byte Frames The total number of frames that are from 512 to 1023 bytes.
1024 to 1518 byte Frames The total number of frames that are from 1024 to 1518 bytes.
1519 to 1522 byte Frames The total number of frames that are from 1519 to 1522 bytes.
Table 2-14 CPE Fast Ethernet Port Field Descriptions for LRE and CPE Interfaces (continued)
Field Description
Command Description
clear controllers
ethernet-controller
Deletes the Ethernet link send and receive statistics on a Fast Ethernet or an
LRE switch port on an LRE switch.
show interfaces Displays the administrative and operational status of all interfaces or a
specified interface.

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