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PFC Commands

show platform hardware pfc mode
– Check to see what mode with regards to installed PFC/DFC cards on Sup and line cards, where a difference in model numbers of PFC/DFC, lowest version/mode will run.

show fabric switching mode
– Show current mode with regards to either centralised or distributed CEF. (dCEF or CEF).

Cat6500-SUP720#show fabric switching-mode
Global switching mode is Compact
dCEF mode is not enforced for system to operate
Fabric module is not  required for system to operate
Modules are allowed to operate in bus mode
Truncated mode is allowed, due to presence of DFC, aCEF720 module
Module Slot     Switching Mode
1                 Crossbar
2                     dCEF
5                     dCEF
6                 Crossbar
9                 Crossbar

Simon Birtles

I have been in the IT sector for over 20 years with a primary focus on solutions around networking architecture & design in Data Center and WAN. I have held two CCIEs (#20221) for over 12 years with many retired certifications with Cisco and Microsoft. I have worked in demanding and critical sectors such as finance, insurance, health care and government providing solutions for architecture, design and problem analysis. I have been coding for as long as I can remember in C/C++ and Python (for most things nowadays). Locations that I work without additional paperwork (incl. post Brexit) are the UK and the EU including Germany, Netherlands, Spain and Belgium.