Chapter 20
Configuring System Message Logging
Table 20-1
Table 20-1 System Log Message Elements
Element
seq no:
timestamp formats:
mm/dd hh:mm:ss
or
hh:mm:ss (short uptime)
or
d h (long uptime)
facility
severity
MNEMONIC
description
This example shows a partial access point system message:
00:00:46: %LINK-3-UPDOWN: Interface Port-channel1, changed state to up
00:00:47: %LINK-3-UPDOWN: Interface GigabitEthernet0/1, changed state to up
00:00:47: %LINK-3-UPDOWN: Interface GigabitEthernet0/2, changed state to up
00:00:48: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to down
00:00:48: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed
state to down 2
*Mar
18:47:02: %SYS-5-CONFIG_I: Configured from console by vty2 (10.34.195.36)
*Mar
Default System Message Logging Configuration
Table 20-2
Table 20-2 Default System Message Logging Configuration
Feature
System message logging to the console
Console severity
Logging buffer size
Logging history size
OL-2851-01
describes the elements of syslog messages.
Description
Stamps log messages with a sequence number only if the service sequence-numbers global
configuration command is configured.
For more information, see the
section on page
20-6.
Date and time of the message or event. This information appears only if the service timestamps
log [datetime | log] global configuration command is configured.
For more information, see the
page
20-6.
The facility to which the message refers (for example, SNMP, SYS, and so forth). A facility can
be a hardware device, a protocol, or a module of the system software. It denotes the source or the
cause of the system message.
Single-digit code from 0 to 7 that is the severity of the message. For a description of the severity
levels, see
Table 20-3 on page
Text string that uniquely describes the message.
Text string containing detailed information about the event being reported.
1 18:46:11: %SYS-5-CONFIG_I: Configured from console by vty2 (10.34.195.36)
1 18:48:50.483 UTC: %SYS-5-CONFIG_I: Configured from console by vty2 (10.34.195.36)
shows the default system message logging configuration.
Cisco Aironet 1100 Series Access Point Installation and Configuration Guide
"Enabling and Disabling Sequence Numbers in Log Messages"
"Enabling and Disabling Timestamps on Log Messages" section on
20-7.
Default Setting
Enabled
Debugging (and numerically lower levels;
see
Table 20-3 on page
4096 bytes
1 message
Configuring System Message Logging
20-7)
20-3