Cisco Systems 12000 series manual Logging history command, CF-695

show logging

Table 90 show logging Field Descriptions (continued)

Field	Description
Trap logging:	Logging to a remote host (syslog collector). Shows “disabled” or, if enabled,
	the severity level limit, number of messages logged, and whether XML
	formatting or ESM filtering is enabled.
	(The word “trap” means a trigger in the system software for sending error
	messages to a remote host.)
	Corresponds to the configuration of the logging host command. The severity
	level limit is set using the logging trap command.
SNMP logging	Displays whether SNMP logging is enabled, the number of messages logged,
	and the retransmission interval. If not shown on your platform, use the show
	logging history command.
Logging Exception size	Corresponds to the configuration of the logging exception command.
(8192 bytes)
Count and timestamp	Corresponds to the configuration of the logging count command.
logging messages:
No active filter	Appears if no syslog filter modules are configured with the logging filter
modules.	command.
	Syslog filter modules are Tcl script files used when the Embedded Syslog
	Manager (ESM) is enabled. ESM is enabled when any of the filtered
	keywords are used in the logging commands.
	If configured, the URL and filename of configured syslog filter modules will
	appear at this position in the output. Syslog filter modules are executed in the
	order in which they appear here.
Log Buffer (8192	The value in parentheses corresponds to the configuration of the logging
bytes):	buffered buffer-sizecommand. If no messages are currently in the buffer, the
	output ends with this line. If messages are stored in the syslog buffer, they
	appear after this line.

The following example shows that syslog messages from the system buffer are included, with time stamps. In this example, the software image does not support XML formatting or ESM filtering of syslog messages.

Router# show logging

Syslog logging:enabled (2 messages dropped, 0 flushes, 0 overruns)

Console logging:disabled

Monitor logging:level debugging, 0 messages logged

Buffer logging:level debugging, 4104 messages logged

Trap logging:level debugging, 4119 message lines logged

Logging to 192.168.111.14, 4119 message lines logged

Log Buffer (262144 bytes):

Jul 11 12:17:49 EDT:%BGP-4-MAXPFX:No. of prefix received from 209.165.200.225 (afi 0) reaches 24, max 24

!THE FOLLOWING LINE IS A DEBUG MESSAGE FROM NTP.

!NOTE THAT IT IS NOT PRECEEDED BY THE % SYMBOL. Jul 11 12:17:48 EDT: NTP: Maxslew = 213866

Jul 11 15:15:41 EDT:%SYS-5-CONFIG:Configured from tftp://host.com/addc5505-rsm.nyiix

.Jul 11 15:30:28 EDT:%BGP-5-ADJCHANGE:neighbor 209.165.200.226 Up

	Cisco IOS Configuration Fundamentals Command Reference
July 2008		CF-695