Cisco 12012 Technical Information download pdf (Page 53)

show logging

Cisco 12000 Series Gigabit Switch Routers 65

The following is sample output from the show logging history command:

Router# show logging history

Syslog History Table: 1 maximum table entry, saving level notifications or higher

0 messages ignored, 0 dropped, 15 table entries flushed,

SNMP notifications not enabled

entry number 16: SYS-5-CONFIG_I

Configured from console by console

timestamp: 1110

Router#

Table 5 describes the signiﬁcant ﬁelds shown in the display.

Table 4 Show Logging Field Descriptions

Field Description

Syslog logging When enabled, system logging messages are sent to a UNIX host that acts as a

syslog server; that is, it captures and saves the messages.

Console logging If enabled, states the level; otherwise, this ﬁeld displays disabled.

Monitor logging Minimum level of severity required for a log message to be sent to a monitor

terminal (not the console).

Trap logging Minimum level of severity required for a log message to be sent to a syslog server.

SNMP logging Shows whether SNMP logging is enabled and the number of messages logged, and

the retransmission interval.

Table 5 Show Logging History Field Descriptions

Field Description

maximum table entry Number of messages that can be stored in the history table. Set with

the logging history size command.

saving level notiﬁcations or higher Level of messages that are stored in the history table and sent to the

SNMP server (if SNMP notiﬁcation is enabled). Set with the logging

history command.

messages ignored Number of messages not stored in the history table because the

severity level is greater than that speciﬁed with the logging history

command.

dropped Number of messages that could not be processed due to lack of system

resources. Dropped messages do not appear in the history table and are

not sent to the SNMP server.

table entries ﬂushed Number of messages that have been removed from the history table to

make room for newer messages.

SNMP notiﬁcations Whether syslog traps of the appropriate level are sent to the SNMP

server. Syslog traps are either enabled or not enabled through the

snmp-server enable command.

entry number Number of the message entry in the history table.

SYS-5-CONFIG_I

Conﬁgured from console by console

Cisco IOS syslog message consisting of the facility name (SYS)

which indicates where the message came from, the severity level (5),

the message name (CONFIG_I), and the message text.

timestamp Time, based on the router’s up time, that the message was generated.

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