About Fcs - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual

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Configuring Fabric Configuration Servers
This chapter describes the Fabric Configuration Server (FCS) feature provided in the Cisco MDS 9000
Family of directors and switches. It includes the following sections:
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About FCS

The Fabric Configuration Server (FCS) provides discovery of topology attributes and maintains a
repository of configuration information of fabric elements. A management application is usually
connected to the FCS on the switch through an N port. The FCS views the entire fabric based on the
following objects:
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Each object has its own set of attributes and values. A null value may also be defined for some attributes.
In the Cisco MDS 9000 Family switch environment, multiple VSANs constitute a fabric, where one
instance of the FCS is present per VSAN.
As of Cisco NX-OS Release 4.1(1), FCS supports the discovery of virtual devices. The fcs
virtual-device-add command, issued in FCS configuration submode, allows you to discover virtual
devices in a particular VSAN or in all VSANs. The devices that are zoned for IVR must be discovered
with this command and have request domain_ID (RDI) enabled, before activating the IVR zone set.
If you have attached a management application to a switch, all the frames directed towards the FCS in
the switch are part of the port VSAN in the switch port (Fx port). Your view of the management
application is limited only to this VSAN. However, information about other VSANs that this switch is
part of can be obtained either through the SNMP or CLI.
OL-18084-01, Cisco MDS NX-OS Release 4.x
About FCS, page 55-1
FCS Name Specification, page 55-3
Displaying FCS Discovery, page 55-4
Displaying FCS Elements, page 55-4
Default Settings, page 55-7
Interconnect element (IE) object—Each switch in the fabric corresponds to an IE object. One or
more IE objects form a fabric.
Port object—Each physical port in an IE corresponds to a port object. This includes the switch ports
(xE, Fx, and TL ports) and their attached Nx ports.
Platform object—A set of nodes may be defined as a platform object to make it a single manageable
entity. These nodes are end-devices (host systems, storage subsystems) attached to the fabric.
Platform objects reside at the edge switches of the fabric.
C H A P T E R
Cisco MDS 9000 Family CLI Configuration Guide
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55-1