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Sending System Messages to a Syslog Server
To send system messages to a specified syslog server, use the following command. The following syslog
standards are supported: RFC 5424 The SYSLOG Protocol, R.Gerhards and Adiscon GmbH, March 2009,
obsoletes RFC 3164 and RFC 5426 Transmission of Syslog Messages over UDP.
• Specify the server to which you want to send system messages. You can configure up to eight syslog
servers.
CONFIGURATION mode
logging {ip-address | ipv6-address | hostname} {{udp {port}} | {tcp {port}}}
Configuring a UNIX System as a Syslog Server
To configure a UNIX System as a syslog server, use the following command.
• Configure a UNIX system as a syslog server by adding the following lines to /etc/syslog.conf on the
UNIX system and assigning write permissions to the file.
– Add line on a 4.1 BSD UNIX system. local7.debugging /var/log/ftos.log
– Add line on a 5.7 SunOS UNIX system. local7.debugging /var/adm/ftos.log
In the previous lines, local7 is the logging facility level and debugging is the severity level.
Display the Logging Buffer and the Logging
Configuration
To display the current contents of the logging buffer and the logging settings for the system, use the
show logging command in EXEC privilege mode. When RBAC is enabled, the security logs are filtered
based on the user roles. Only the security administrator and system administrator can view the security
logs.
Example of the show logging Command
Dell#show logging
Syslog logging: enabled
Console logging: level debugging
Monitor logging: level debugging
Buffer logging: level debugging, 416 Messages Logged, Size (40960 bytes)
Trap logging: level informational
Logging to 10.1.2.4
Logging to 172.31.1.4
Logging to 133.33.33.4
Logging to 172.16.1.162
Logging to 10.10.10.4
Jan 21 09:52:21: %SYSTEM:CP %SYS-5-CONFIG_I: Configured from vty0
( 10.11.8.68 )by admin
Jan 21 09:32:57: %SYSTEM:CP %SYS-5-CONFIG_I: Configured from vty0
( 10.11.8.68 )by admin
Jan 21 09:32:57: %SYSTEM:CP %SEC-3-AUTHENTICATION_ENABLE_SUCCESS: Enable
password authentication success on vty0 ( 10.11.8.68 )
Jan 21 09:32:57: %SYSTEM:CP %SEC-5-LOGIN_SUCCESS: Login successful for user
admin on line vty0 ( 10.11.8.68 )
Jan 21 04:11:02: %SYSTEM:CP %IFMGR-5-OSTATE_DN: Changed interface state to
down: Te 0/1
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