CHAPTER
3-1
Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide
OL-29284-01, Release 6.x
3
Configuring Fibre Channel Interfaces
• Information About Fibre Channel Interfaces, page 3-1
• Guidelines and Limitations, page 3-18
• Default Settings, page 3-25
• Configuring Fibre Channel Interfaces, page 3-26
• Verifying Fibre Channel Interfaces Configuration, page 3-43
• Configuration Examples for Fibre Channel Interfaces, page 3-45
Information About Fibre Channel Interfaces
This section includes the following topics:
• Generations of Modules and Switches, page 3-1
• Port Groups, page 3-3
• Port Rate Modes, page 3-5
• Port Speed, page 3-10
• Dynamic Bandwidth Management, page 3-10
• Out-of-Service Interfaces, page 3-11
• Oversubscription Ratio Restrictions, page 3-11
• Bandwidth Fairness, page 3-17
Generations of Modules and Switches
Cisco MDS 9000 Family hardware modules and switches are categorized into generations based on the
time of introduction, capabilities, features, and compatibilities:
• Generation 1—Modules and switches with a maximum port speed of 2 Gbps.
• Generation 2—Modules and switches with a maximum port speed of 4 Gbps.
• Generation 3—Modules and switches with a maximum port speed of 8 Gbps.
• Generation 4—Modules with a maximum port speed of 8-Gbps or 10-Gbps.
