Show logging

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show logging ?
  count       Show counts of each logging message
  history     Show the contents of syslog history table
  onboard     Onboard logging information
  persistent  Show the contents of the logging persistent
  xml         Show the contents of XML logging buffer
  |           Output modifiers
  <cr>

https://www.cisco.com/E-Learning/bulk/public/tac/cim/cib/using_cisco_ios_software/cmdrefs/show_logging.htm

Jan 20 09:58:19.457: %SEC_LOGIN-5-LOGIN_SUCCESS: Login Success [user: USERNAME] [Source: 10.10.10.12] [localport: 22] at 09:58:19 UTC Mon Jan 20 2020

2w2d: %SYS-5-CONFIG_I: Configured from console by YOUR_USER on vty0 (10.10.10.10)

Jan 20 07:06:28.820: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/47, changed state to down
Jan 20 07:06:29.824: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/47, changed state to down

Jun 14 07:31:29.792: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/9, changed state to up

Oct 14 10:00:26.381: %LINEPROTO-5-UPDOWN: Line protocol on Interface VlanXXX, changed state to up

Oct  5 10:31:41.348: %CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch discovered on GigabitEthernet222/0/37 (111), with SW-XXX GigabitEthernet1111/0/24 (80).

Apr 14 09:54:36.023: %SSH-4-SSH2_UNEXPECTED_MSG: Unexpected message type has arrived. Terminating the connection from 10.10.10.5

Related commands

• show logging
• show logging history
• logging enable
• logging history
• logging history size number
• logging on and no logging on
• logging console [level]
• logging monitor [level]
• debug ip
• show memory, sh memory platform
• show archive
• show interfaces
• logging trap level
• PAN-OS: show log
• no device-tracking logging theft

See also

• Cisco IOS logging: show logging
• Cisco IOS logging: show logging, show archive, show logging history, logging buffered, clear logging
• Cisco IOS: Cisco IOS XE, Config (mode), VLANs, Cisco IOS logging, VTP, ACLs, show logging, show logging history, show interface status, debug, archive, show archive, conf t, int, ip http server, ip ssh, ip address, vty, show mac address-table, show access-list, Access-list, ip access-group, admin