System information

Manual:System/Log

email-to (string; Default: ) email address where logs are sent, applicable only if

action=email

memory-lines (integer [1..65535]; Default: 100) number of records in local memory buffer, applicable only if

action=memory

memory-stop-on-full (yes|no; Default: no) whether to stop to save log messages in local buffer after the

specified memory-lines number is reached

name (string; Default: ) name of an action

remember (yes|no; Default: ) whether to keep log messages, which have not yet been

displayed in console, applicable if action=echo

remote (IP/IPv6 Address[:Port]; Default: 0.0.0.0:514) remote logging server's IP/IPv6 address and UDP port,

applicable if action=remote

src-address (IP address; Default: 0.0.0.0) source address used when sending packets to remote server

syslog-facility (auth, authpriv, cron, daemon, ftp, kern, local0, local1,

local2, local3, local4, local5, local6, local7, lpr, mail, news, ntp, syslog, user,

uucp; Default: daemon)

syslog-severity (alert, auto, critical, debug, emergency, error, info, notice,

warning; Default: auto)

Severity level indicator defined in RFC 3164:

•• Emergency: system is unusable

•• Alert: action must be taken immediately

•• Critical: critical conditions

•• Error: error conditions

•• Warning: warning conditions

•• Notice: normal but significant condition

•• Informational: informational messages

•• Debug: debug-level messages

target (disk, echo, email, memory, remote; Default: memory) storage facility or target of log messages

• disk - logs are saved to the hard drive more>>

•• echo - logs are displayed on the console screen

•• email - logs are sent by email

•• memory - logs are stored in local memory buffer

•• remote - logs are sent to remote host

Note: default actions can not be deleted or renamed.

Topics

Each log entry have topic which describes the origin of log message. There can be more than one

topic assigned to log message. For example, OSPF debug logs have four different topics: route,

ospf, debug and raw.

11:11:43 route,ospf,debug SEND: Hello Packet 10.255.255.1 -> 224.0.0.5 on lo0

11:11:43 route,ospf,debug,raw PACKET:

11:11:43 route,ospf,debug,raw 02 01 00 2C 0A FF FF 03 00 00 00 00 E7 9B 00 00

11:11:43 route,ospf,debug,raw 00 00 00 00 00 00 00 00 FF FF FF FF 00 0A 02 01

11:11:43 route,ospf,debug,raw 00 00 00 28 0A FF FF 01 00 00 00 00

List of Facility independent topics