Syslog

• Syslog is a standard Logging format.
• Each entry follows this format: seq no:timestamp: %facility-severity-MNEMONIC:description
  • seq no: Sequence number
    • ONLY stamped if config# service sequence-numbers is enabled
  • timestamp: Date and time of event
    • config# service timestamps log <datetime/uptime>
  • facility: Service or Hardware generating the message
  • severity: 0-7, EACEWNID
  • MNEMONIC: Short description (Title)
  • description: Detailed information on event

Syslog Severity

EACEWNID Starts at 0
0. Emergency

1. Alert
2. Critical
3. Error
4. Warning
5. Notify/Notification
6. Informational
7. Debugging

Metadata

OSI or TCP/IP Layer

CCNA Exam Topic

#extop-4-5

Contributors

Sources