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13-2
Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 13 Using the CFS Infrastructure
About CFS
Cisco Fabric Services (CFS) provides a common infrastructure for automatic configuration
synchronization in the fabric. It provides the transport function as well as a rich set of common services
to the applications. CFS has the ability to discover CFS capable switches in the fabric and discovering
application capabilities in all CFS capable switches.
This section includes the following topics:
• Cisco MDS NX-OS Features Using CFS, page 13-2
• CFS Features, page 13-2
• CFS Protocol, page 13-3
• CFS Distribution Scopes, page 13-3
• CFS Distribution Modes, page 13-4
Cisco MDS NX-OS Features Using CFS
The following Cisco NX-OS features use the CFS infrastructure:
• N Port Virtualization (see the “NPV CFS Distribution over IP” section on page 21-5).
• FlexAttach Virtual pWWN (see the “FlexAttach Virtual pWWN CFS Distribution” section on
page 14-9).
• NTP (see the “NTP CFS Distribution” section on page 12-8).
• Dynamic Port VSAN Membership (see Chapter 28, “Creating Dynamic VSANs”).
• Distributed Device Alias Services (see Chapter 31, “Distributing Device Alias Services”).
• IVR topology (see the “Database Merge Guidelines” section on page 29-31).
• SAN device virtualization (see the “Configuring SDV” section on page 27-4).
• TACACS+ and RADIUS (see the “AAA Server Distribution” section on page 41-21).
• User and administrator roles (see the “Role-Based Authorization” section on page 39-1).
• Port security (see the “Port Security Configuration Distribution” section on page 46-17).
• iSNS (see “Configuring iSNS Servers” section on page 50-71).
• Call Home (see the “Call Home Configuration Distribution” section on page 62-18).
• Syslog (see “System Message Logging Configuration” section on page 61-3).
• fctimer (see the “About fctimer Distribution” section on page 37-4).
• SCSI flow services (see the “Configuring SCSI Flow Services” section on page 55-3).
• Saving startup configurations in the fabric using the Fabric Startup Configuration Manager (FSCM)
(see the “Saving Startup Configurations in the Fabric” section on page 16-9).
• Allowed domain ID lists (see the “About Allowed Domain ID Lists” section on page 25-11).
• RSCN timer (see the “RSCN Timer Configuration Distribution Using CFS” section on page 34-7).
• iSLB (see the “About iSLB Configuration Distribution Using CFS” section on page 50-46).
CFS Features
CFS has the following features:
• Peer-to-peer protocol with no client-server relationship at the CFS layer.
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