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Gathering Information
Interfaces Information
The show interfaces command is useful for gathering information on the sensing and command and
control interfaces. This section describes the show interfaces command, and contains the following
topics:
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Understanding the show interfaces Command
You can learn the following information from the show interfaces command:
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The show interfaces command displays statistics for all system interfaces. Or you can use the individual
commands to display statistics for the command and control interface (show interfaces
command_control_interface_name), the sensing interface (show interfaces interface_name).
Interfaces Command Output
The following example shows the output from the show interfaces command:
sensor# show interfaces
Interface Statistics
Total Packets Received = 0
Total Bytes Received = 0
Missed Packet Percentage = 0
Current Bypass Mode = Auto_off
MAC statistics from interface GigabitEthernet0/1
Media Type = backplane
Missed Packet Percentage = 0
Inline Mode = Unpaired
Pair Status = N/A
Link Status = Up
Link Speed = Auto_1000
Link Duplex = Auto_Full
Total Packets Received = 0
Total Bytes Received = 0
Total Multicast Packets Received = 0
Total Broadcast Packets Received = 0
Total Jumbo Packets Received = 0
Total Undersize Packets Received = 0
Total Receive Errors = 0
Total Receive FIFO Overruns = 0
Total Packets Transmitted = 0
Total Bytes Transmitted = 0
Total Multicast Packets Transmitted = 0
Total Broadcast Packets Transmitted = 0
Total Jumbo Packets Transmitted = 0
Total Undersize Packets Transmitted = 0
Total Transmit Errors = 0
Total Transmit FIFO Overruns = 0
MAC statistics from interface GigabitEthernet0/0
Cisco Intrusion Prevention System Appliance and Module Installation Guide for IPS 7.1
E-104
Understanding the show interfaces Command, page E-104
Interfaces Command Output, page E-104
Whether the interface is up or down
Whether or not packets are being seen, and on which interfaces
Whether or not packets are being dropped by SensorApp
Whether or not there are errors being reported by the interfaces that can result in packet drops
Appendix E
Troubleshooting
OL-24002-01
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Table of Contents
Troubleshooting
