Port mirroring on cisco Device

Port mirroring on cisco Device
https://shuvocse5.blogspot.com/2019/03/port-mirroring-on-cisco-switch.html

mon sess 1 source interface g0/22
mon sess 1 destination interface g0/24
!

!

Verify with
show mon sess 1


then you can monitor traffic log of firewall/router using wireshark 

CISCO ASA showing realtime log on putty

CISCO Logging on putty:

https://shuvocse5.blogspot.com/2019/03/cisco-asa-showing-realtime-log-on-putty.html
=====================================================
conf t
logging monitor 7  //Debugging mode
terminal monitor


logging timestamp


=========================================

Here is different severity levels of logging as follows:

• 0 —emergency: System unusable
• 1 —alert: Immediate action needed
• 2 —critical: Critical condition—default level
• 3 —error: Error condition
• 4 —warning: Warning condition
• 5 —notification: Normal but significant condition
• 6 —informational: Informational message only
• 7 —debugging: Appears during debugging only