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What is a fabric extender switch?

What is a fabric extender switch?

A Fabric Extender (FEX for short) is a companion to a Nexus 5000 or Nexus 7000 switch. The FEX, unlike a traditional switch, has no capability to store a forwarding table or run any control plane protocols. It relies on its parent 5000/7000 to perform those functions.

What are fabric extenders used for?

Cisco Nexus 2000 Series Fabric Extenders Nexus 2000 Series Fabric Extenders behave logically like remote line cards for a parent Cisco Nexus 5000 or 7000 Series Switch. They simplify data center access operations and architecture as well as management from the parent switches.

How do you set up a fabric extender?

Configuring the Fabric Extender

  1. Installing the Fabric Extender Feature Set.
  2. Enabling the Fabric Extender Feature Set.
  3. Associating a Fabric Extender to a Fabric Interface.
  4. Configuring Fabric Extender Global Features.
  5. Configuration Examples.

What is Fex Cisco switch?

What Is Cisco FEX? A Cisco FEX is a companion to a Nexus 5000 or Nexus 7000 switch. That’s to say, when being connected to them, FEX thus become a logical part of the parent switch. A Cisco FEX has no management interface and has no capability to store a forwarding table or run any control plane protocols.

What are Fex modules?

The Fabric Extender (also referred to as the I/O Module, IOM, or FEX) logically extends the fabric interconnects to the blade server. The best analogy is to think of it as a remote line card that’s embedded into the blade server chassis, allowing blade connectivity to the external world.

What is Fex HIF?

The Fabric Extender Operation HIF (Host Interface): Are the physical user/host interfaces on the FEX. These interfaces receive normal Ethernet traffic before it is encapsulated with the VN-Tag header. Each HIF interface is assigned a unique VN-Tag ID that is used with the encapsulation.

How do I install Fex?

Having established that a FEX is not a switch, let’s take a look at the process of installing a new FEX and bringing it online.

  1. Rack the FEX.
  2. Install & cable the uplinks.
  3. Configure a virtual port-channel and add physical interfaces.
  4. Apply the code below to both 5Ks.
  5. Next Page: Powering Up.

How do I check my Fex status?

You can see that many legacy commands have simply been extended with the fex argument to view information regarding a specific FEX.

  1. show interface fex-intf.
  2. show interface fex-fabric.
  3. show module fex all |
  4. show inventory fex all |
  5. show environment fex all |

What is Fex in Cisco UCS?

What is the meaning of Fex?

a combining form meaning “maker,” used in the formation of compound words: spinifex.

What is Cisco unified fabric?

Specifically, a Cisco Unified Fabric is a data center network that supports both traditional LAN traffic and all types of storage traffic, including traditional non-IP-based protocols such as Fibre Channel and IBM Fibre Connection (FICON), tying everything together with a single OS (Cisco NX-OS Software), a single management GUI, and full

What is a fabric extender?

A fabric extender, the term marketed by Cisco, is basically a port extender as it is referenced in the developing IEEE 802.1Qbh (Bridge Port Extension).

What is a fabric interconnect?

The Unified Computing System (UCS) fabric interconnect is a networking switch or head unit where the UCS chassis, essentially a rack where server components are attached, connects to.