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Jay Johnston
Cisco Employee
Cisco Employee

Episode Information


Episode Name: Episode 7 - Monitoring Firewall Performance

Contributors: Jay Johnston, Blayne Dreier, David White Jr., Magnus Mortensen

Posting Date: January 7, 2010

Description: Learn about personal computing choices and software tools used in the TAC to diagnose customer problems. The panel also reviews techniques and methods for monitoring firewall performance and identifying performance problems.



Listen Now    (MP3 49.3 MB; 34:30 mins)



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Episode Show Notes



Networking tools used by the TAC



Monitoring Firewall Performance commands discussed in the episode:





'show interface'
'show cpu usage'
'show cpu usage detailed'
'show conn'
'show conn count'
'shop xlate'
'show xlate count'
'show pc conn' - FWSM only; shows connections residing on main CPU of the FWSM
'show memory'
'show mem detail'
'show np 3 acl count [0-12]' - FWSM only; shows ACL memory usage on NP 3
'show traffic'
'show np blocks' - FWSM only; shows if NPs have been oversubscribed
'show asp drop'
'show environment' - ASA 5580 model only



About the Cisco TAC Security Podcast


The Cisco TAC Security Podcast Series is created by Cisco TAC engineers. Each episode provides an in-depth technical discussion of Cisco product security features, with emphasis on troubleshooting.


Complete episode listing and show information


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