Show Ports Collisions - Extreme Networks ExtremeWare XOS Command Reference Manual

ExtremeWare XOS 11.5 supports only the Summit X450 family of switches and the BlackDiamond 8800 series switch.

show ports collisions

show ports {mgmt | <port_list>} collisions {no-refresh}
Description
Displays real-time collision statistics.
Syntax Description
mgmt
port_list
no-refresh
Default
Real-time statistics.
Usage Guidelines
If you do not specify a port number or range of ports, collision statistics are displayed for all ports. To
clear the counters, use the
real-time display. If you specify the
at the time you issue the command.
This status information may be useful for your technical support representative if you have a network
problem.
Example
The following command displays real-time collision statistics on slot 1, ports 1 and 2 on a modular
switch:
show ports 1:1-2 collisions
Following is sample output from this command:
Port Collision Monitor
Port Link
Status 1
================================================================================
1:1 A 0
1:2 R 0
================================================================================
Link Status: A-Active R-Ready NP-Port not present
The numbers 1 to 16 represent the number of collisions encountered prior to successfully transmitting
the packet; this is applicable only for half-duplex links.
ExtremeWare XOS 11.5 Command Reference Guide
Specifies the management port.
Specifies one or more ports or slots and ports.
Specifies a static snapshot of data.
clear counters ports command. The default display is a constantly refreshing
parameter, the system displays a snapshot of the data
no-refresh
Collision Histogram
2 3 4 5 6
0 0 0 0 0
0 0 0 0 0
7 8 9 10 11 12
0 0 0 0 0 0
0 0 0 0 0 0
show ports collisions
13 14 15 16
0 0 0 0
0 0 0 0
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