Port Troubleshooting; Monitor And Debug Command List - Digitalchina Networks DCS-3950 series Manual

7.4 Port Troubleshooting

7.4.1 Monitor and Debug Command List

7.4.1.1 clear counters ethernet
Command: clear counters [ethernet <interface-list>]
Function：Clear counters information on Ethernet interface
Parameters：<interface-list>is the port ID of Ethernet
Command mode：Admin Mode
Default: Do not delete the counters information on Ethernet interface
Usage Guide: If interface name is not specified, all the interface statistics will be cleared.
Example: Clear the statistics of ethernet interface 0/0/1.
Switch#clear counters ethernet 0/0/1
7.4.1.2 show interface ethernet
Command：show interface ethernet <interface-list>
Function：Display the information of the ports on the specified switch.
Parameters：<interface-list>is the port ID, the format and value range of the port ID is
explained in the port introduction part of this chapter.
Command mode：Admin Mode
Usage Guide: This command shows the speed and duplex of the specified interface, the
flow control status, and the statistics for prevention of broadcasting storm and packets
information that is being transferred.
Example: Display information about interface 0/0/1.
Switch#show interface ethernet 0/0/1
7.4.1.3 show interface ethernet status
Command：show interface ethernet status
Function：Show important status information for all Ethernet ports.
Parameters：None.
Command mode：Admin Mode
Usage Guide：The information showed at this command including: port number, Link and
Protocol status, speed, Duplex, Vlan, port type, port name. The first line showed is the
meaning for each abbreviations, following lines each line for one port status, and showed
by port sequence.
Example：Show important status information for ports:
Switch#show interface ethernet status
Codes: A-Down - administratively down, a - auto, f - force, G - Gigabit
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