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A Fabric Module connects the line cards and the supervisors together in a Nexus 7000/7700 Chassis. Cisco Nexus introduced FAB1 along with N7K and moved to higher performance FAB2 to meet the increasing industry demand. The addition of each fabric module increases the bandwidth to all module slots. There are many similarities between FAB1 and FAB2 with few being –
- N7K chassis support max of 5 Fabric modules.
- FAB1 & FAB2 modules are both forward and backward compatible.
Further, FAB1 and FAB2 have some differences which have been enlisted in the below table –
Related- Nexus Interview Questions
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ABOUT THE AUTHOR

Founder of AAR TECHNOSOLUTIONS, Rashmi is an evangelist for IT and technology. With more than 12 years in the IT ecosystem, she has been supporting multi domain functions across IT & consultancy services, in addition to Technical content making.
You can learn more about her on her linkedin profile – Rashmi Bhardwaj