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Making space on Cisco Nexus switches when you are out

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Data Center

What is a DCI?

As you get more and more into Cisco Data Center terminology you come across the term DCI.  DCI is a Data Center Interconnect. DCI’s typically come in 3 categories.

Dark Fiber (CWDM/DWDM)
MPLS Layer 2 VPN (VPWS/VPLS)
MPLS Layer 3 VPN

A DCI is basically a LAN extension over one of the above methods.