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200-150 · Question #209

Which two types of interface exist on Cisco Nexus Fabric Extender? (Choose two)

The correct answer is A. network interface (NIF) C. host interface (HIF). A Cisco Nexus FEX has exactly two interface types: NIFs facing the parent switch fabric and HIFs facing connected host devices.

Cisco Data Center Networking Technologies

Question

Which two types of interface exist on Cisco Nexus Fabric Extender? (Choose two)

Options

  • Anetwork interface (NIF)
  • Buplink interface (UF)
  • Chost interface (HIF)
  • Dedge interface (EIF)
  • Etrunk interface (TIF)

How the community answered

(50 responses)
  • A
    94% (47)
  • B
    2% (1)
  • D
    4% (2)

Why each option

A Cisco Nexus FEX has exactly two interface types: NIFs facing the parent switch fabric and HIFs facing connected host devices.

Anetwork interface (NIF)Correct

The NIF (Network Interface) is the northbound uplink port on the FEX that connects to the parent Nexus switch, carrying all aggregated host traffic toward the fabric.

Buplink interface (UF)

UF (uplink interface) is not a valid interface type in the Cisco FEX architecture; the correct designation for fabric-facing ports is NIF.

Chost interface (HIF)Correct

The HIF (Host Interface) is the southbound downlink port on the FEX that connects directly to servers or other end hosts, providing access-layer connectivity managed by the parent switch.

Dedge interface (EIF)

EIF (edge interface) does not exist as a defined interface type in the Cisco Nexus FEX hardware model.

Etrunk interface (TIF)

TIF (trunk interface) is not a recognized FEX interface type; trunking behavior is a configuration attribute applied to HIFs or NIFs, not a separate interface category.

Concept tested: Cisco Nexus FEX NIF and HIF interface architecture

Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus2000/hw/installation/guide/n2000_hig/n2000_hig_chapter_01.html

Topics

#Fabric Extender#FEX#NIF#HIF

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