Cisco IPS-4255-K9 Installation Guide - Page 365
Interfaces Information, Understanding the show interfaces Command, Interfaces Command Output
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Chapter A Troubleshooting Gathering Information The number of events written to the event store by severity Fatal Severity = 0 Error Severity = 0 Warning Severity = 0 TOTAL = 0 The number of log messages written to the message log by severity Fatal Severity = 0 Error Severity = 0 Warning Severity = 0 Timing Severity = 0 Debug Severity = 0 Unknown Severity = 0 TOTAL = 0 sensor# The statistics all begin from 0. 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: • Understanding the show interfaces Command, page A-87 • Interfaces Command Output, page A-87 Understanding the show interfaces Command You can learn the following information from the show interfaces command: • 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 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 OL-18504-01 Cisco Intrusion Prevention System Appliance and Module Installation Guide for IPS 7.0 A-87