Show Ports Collisions - Extreme Networks ExtremeWare Command Reference Manual

show ports collisions

show ports {mgmt | <portlist>} collisions
Description
Displays real-time collision statistics.
Syntax Description
mgmt Specifies the management port. Supported only for switches that provide a management port.
portlist Specifies one or more ports or slots and ports. On a modular switch, can be a list of slots and ports.
On a stand-alone switch, can be one or more port numbers. May be in the form 1, 2, 3-5, 2:*, 2:5,
2:6-2:8.
Default
N/A
Usage Guidelines
If you do not specify a port number or range of ports, collision statistics are displayed for all ports.
On a modular switch,
can be one or more port numbers. For a detailed explanation of port specification, see "Modular Switch
Numerical Ranges" or "Stand-alone Switch Numerical Ranges" in Chapter 1.
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 port 7 on a stand-alone switch:
show ports 7 collisions
The following command displays real-time collision statistics on slot 1, ports 1-16 on a modular switch:
show ports 1:1-1:16 collisions
Following is the output from this command:
Port Collision Monitor
Port Link
Status
==============================================================================
1
2
3
4
5
6
7
8
9
10
ExtremeWare 7.5 Command Reference Guide
can be a list of slots and ports. On a stand-alone switch,
<portlist>
Collision Histogram
1 2 3 4
A 0 0 0 0
R 0 0 0 0
A 0 0 0 0
R 0 0 0 0
A 0 0 0 0
R 0 0 0 0
R 0 0 0 0
R 0 0 0 0
R 0 0 0 0
R 0 0 0 0
5 6 7 8 9 10
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
Wed Oct 30 19:33:10 2002
11 12 13 14 15
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
show ports collisions
<portlist>
16
0
0
0
0
0
0
0
0
0
0
325