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CONTENTS
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New and Changed Information
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Preface
Audience
Organization
Document Conventions
Related Documentation
Release Notes
Regulatory Compliance and Safety Information
Compatibility Information
Hardware Installation
Obtaining Documentation and Submitting a Service Request
Interfaces Overview
Trunks and PortChannels
Fibre Channel Port Rate Limiting
Extended Credits
N Port Virtualization
FlexAttach
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Configuring Interfaces
Information About Interfaces
Interface Description
Interface Modes
E Port
F Port
FL Port
NP Ports
TL Port
TE Port
TF Port
TNP Port
SD Port
ST Port
Fx Port
B Port
Interface States
Administrative States
Operational States
Reason Codes
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Graceful Shutdown
Port Administrative Speeds
Autosensing
Frame Encapsulation
Beacon LEDs
Speed LEDs
Bit Error Thresholds
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SFP Transmitter Types
TL Ports
TL Port ALPA Caches
Port Guard
Port Monitor
Port Monitor Port Guard
Port Group Monitor
Local Switching
Slow Drain Device Detection and Congestion Avoidance
Management Interfaces
VSAN Interfaces
Prerequisites for Interfaces
Generation 1 Interface Configuration Guidelines
Private Loop Configuration Guidelines
VSAN Interface Configuration Guidelines
Configuring Interfaces
Configuring Fibre Channel Interfaces
Setting the Interface Administrative State
Configuring Interface Modes
Configuring System Default Port Mode F
Configuring ISL between Two Switches
Configuring 10-Gbps FC Mode
Configuring Port Administrative Speeds
Configuring Port Speed Group
Configuring the Interface Description
Specifying a Port Owner
Configuring Beacon Mode
Disabling Bit Error Threshold
Configuring Switch Port Attribute Default Values
Configuring TL Ports
Manually Inserting Entries into the ALPA Cache
Clearing the ALPA Cache
Configuring Port Guard
Configuring Port Monitor
Enabling Port Monitor
Configuring a Port Monitor Policy
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Command Purpose
Step 10 switch(config-port-monitor)# counter
Step 11 switch(config-port-monitor)# counter
Specifies the delta protocol error poll interval in seconds, the thresholds in percentage, and the
Configuring a Port Monitor Port Guard
Configuring Port Group Monitor
Enabling Port Group Monitor
Configuring a Port Group Monitor Policy
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Reverting to the Default Policy for a Specific Counter
Turning Off the Monitoring of Specific Counter
Activating a Port Group Monitor Policy
Configuring Management Interfaces
Creating VSAN Interfaces
Configuring Congestion Frame Timeout Value
Configuring Stuck Frame Timeout Value
Configuring No-Credit Timeout Value
Configuring Credit Loss Recovery Threshold and Action
Configuring Average Credit Nonavailable Duration Threshold and Action
Verifying Interfaces Configuration
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Displaying Interface Information
Example 2-3 Displays All Interfaces
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Example 2-5 Displays a Specific Interface
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Example 2-6 Displays Port Description
Example 2-7 Displays Interface Information in a Brief Format
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Example 2-8 Displays Interface Counters
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if the SFP is present (see Example 2-10).
Example 2-10 Displays Transceiver Information
Example 2-11 Displays the Running Configuration for All Interfaces
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Example 2-12 Displays the Running Configuration for a Specified Interface
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Displaying TL Port Information
Example 2-17 Displays the TL Ports in All VSANs
Displaying the ALPA Cache Contents
Displaying Port Monitor Status and Policies
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Displaying Port Group Monitor Status and Policies
The following commands display information about port group monitor:
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Displaying Management Interface Configuration
To display the management interface configuration, use the show interface mgmt 0 command.
Displaying VSAN Interface Information
To display VSAN interface information, use the show interface vsan command.
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Configuring Fibre Channel Interfaces
Information About Fibre Channel Interfaces
Generations of Modules and Switches
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Port Groups
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Port Rate Modes
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Dedicated Rate Mode
Shared Rate Mode
Dedicated Rate Mode Configurations for the 8-Gbps Modules
Port Speed
Dynamic Bandwidth Management
Out-of-Service Interfaces
Oversubscription Ratio Restrictions
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Bandwidth Fairness
Upgrade or Downgrade Scenario
Combining Generation 1, Generation 2, Generation 3, and Generation 4 Modules
Local Switching Limitations
Port Index Limitations
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PortChannel Limitations
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Configuring Fibre Channel Interfaces
Task Flow for Migrating Interfaces from Shared Mode to Dedicated Mode
Task Flow for Migrating Interfaces from Dedicated Mode to Shared Mode
Task Flow for Configuring 12-Port 4-Gbps Module Interfaces
Task Flow for Configuring 4-Port 10-Gbps Module Interfaces
Configuring Port Speed
Configuring Rate Mode
Displaying the Rate Mode Configuration for Interfaces
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This example shows the port rate mode configuration for interfaces on a 48-port 8-Gbps module:
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This example shows the port rate mode configuration for interfaces on a 4/44-port 8-Gbps module:
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Configuring Local Switching
Disabling Restrictions on Oversubscription Ratios
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Step 3 Display the interface status to confirm the shutdown of all shared ports.
Enabling Restrictions on Oversubscription Ratios
Enabling Bandwidth Fairness
Disabling Bandwidth Fairness
Taking Interfaces Out of Service
Releasing Shared Resources in a Port Group
Disabling ACL Adjacency Sharing for System Image Downgrade
Verifying Fibre Channel Interfaces Configuration
Displaying Interface Capabilities
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Displaying SFP Diagnostic Information
Configuration Examples for Fibre Channel Interfaces
This section describes example configurations and includes the following sections:
Configuration Example for 48-Port 8-Gbps Module Interfaces
Configuration Example for 24-Port 8-Gbps Module Interfaces
Configuration Example for 4/44-Port 8-Gbps Module Interfaces
Configuration Example for 48-Port 4-Gbps Module Interfaces
Configuration Example for 24-Port 4-Gbps Module Interfaces
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Configuring Interface Buffers
Information About Interface Buffers
Buffer-to-Buffer Credits
Performance Buffers
Buffer Pools
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BB_Credit Buffers for Switching Modules
Configuring Buffer Credits on a Generation 2, Generation 3 or Generation 4 Module
48-Port 8-Gbps Advanced Fibre Channel Module BB_Credit Buffers
48-Port 8-Gbps Fibre Channel Module
24-Port 8-Gbps Fibre Channel Module
4/44-Port 8-Gbps Host-Optimized Fibre Channel Module BB_Credit Buffers
48-Port 4-Gbps Fibre Channel Module
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Module Interfaces section on page 3-48.
24-Port 4-Gbps Fibre Channel Module BB_Credit Buffers
18-Port Fibre Channel/4-Port Gigabit Ethernet Multiservice Module BB_Credit Buffers
12-Port 4-Gbps Switching Module BB_Credit Buffers
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4-Port 10-Gbps Switching Module BB_Credit Buffers
BB_Credit Buffers for Fabric Switches
Cisco MDS 9148 Fabric Switch BB_Credit Buffers
Cisco MDS 9134 Fabric Switch BB_Credit Buffers
Cisco MDS 9124 Fabric Switch BB_Credit Buffers
Cisco MDS 9222i Multiservice Modular Switch BB_Credit Buffers
Extended BB_Credits
Extended BB_credits on Generation 1 Switching Modules
Extended BB_credits on Generation 2 and Generation 3 Switching Modules
Buffer-to-Buffer Credit Recovery
Buffer-to-Buffer State Change Number
Receive Data Field Size
Configuring Interface Buffers
Configuring Buffer-to-Buffer Credits
Configuring Performance Buffers
Configuring Extended BB_credits
Enabling Buffer-to-Buffer Credit Recovery
Enabling the Buffer-to-Buffer State Change Number
Configuring Receive Data Field Size
Verifying BB_Credit Configuration
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Configuring Trunking
Information About Trunking
Trunking E Ports
Trunking F Ports
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Key Concepts
Trunking Protocols
Trunk Modes
Trunk-Allowed VSAN Lists and VF_IDs
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General Guidelines and Limitations
Upgrade and Downgrade Limitations
Difference Between TE Ports and TF-TNP Ports
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Trunking Misconfiguration Examples
Configuring Trunking
Enabling the Cisco Trunking and Channeling Protocols
Enabling the F Port Trunking and Channeling Protocol
Configuring Trunk Mode
Configuring an Allowed-Active List of VSANs
Verifying Trunking Configuration
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Example 5-2 Displays the Trunking Protocol
Example 5-3 Displays Per VSAN Information on Trunk Ports
Configuration Example for F Port Trunking
Step 1 Enable the F port trunking and channeling protocol on the MDS core switch:
Step 2 Enable NPIV on the MDS core switch:
Step 3 Configure the port mode to auto, F, or Fx on the MDS core switch:
Step 4 Configure the trunk mode to ON on the MDS core switch:
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Configuring PortChannels
Information About PortChannels
PortChannels Overview
E PortChannels
F and TF PortChannels
PortChanneling and Trunking
Load Balancing
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PortChannel Modes
PortChannel Deletion
Interfaces in a PortChannel
Interface Addition to a PortChannel
Compatibility Check
Suspended and Isolated States
Forcing an Interface Addition
Interface Deletion from a PortChannel
PortChannel Protocols
Channel Group Creation
Autocreation
Manually Configured Channel Groups
Prerequisites for PortChannels
General Guidelines and Limitations
Generation 1 PortChannel Limitations
F and TF PortChannel Limitations
Valid and Invalid PortChannel Examples
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Table 6-3 lists the default settings for PortChannels.
Configuring PortChannels
Configuring PortChannels Using the WizardCreating a PortChannel
Configuring the PortChannel Mode
Deleting PortChannels
Adding an Interface to a PortChannel
Forcing an Interface Addition
Deleting an Interface from a PortChannel
Enabling and Configuring Autocreation
Converting to Manually Configured Channel Groups
Verifying PortChannel Configuration
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The show port-channel consistency command has two options: without details and with details.
Example 6-4 Displays the Consistency Status without Details
Example 6-5 Displays the Consistency Status with Details
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The show port-channel usage command displays details of the used and unused PortChannel numbers.
Example 6-6 Displays the PortChannel Usage
Example 6-7 Displays the PortChannel Compatibility
Example 6-8 Displays Autocreated PortChannels
Configuration Examples for F and TF PortChannels
Step 1 Enable the F port trunking and channeling protocol on the MDS core switch.
Step 2 Enable NPIV on the MDS core switch:
Step 3 Create the PortChannel on the MDS core switch:
Step 4 Configure the PortChannel member interfaces on the core switch:
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Step 6 Configure the PortChannel member interfaces on the NPV switch in dedicated mode:
NPV switch to ON:
Configuring N Port Virtualization
Information About N Port Virtualization
NPV Overview
N Port Identifier Virtualization
N Port Virtualization
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NPV Mode
NP Ports
NP Links
Internal FLOGI Parameters
Default Port Numbers
NPV CFS Distribution over IP
NPV Traffic Management
Auto
Traffic Map
Disruptive
Multiple VSAN Support
NPV Guidelines and Requirements
NPV Traffic Management Guidelines
DPVM Configuration Guidelines
NPV and Port Security Configuration Guidelines
Configuring N Port Virtualization
Enabling N Port Identifier Virtualization
Configuring NPV
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Configuring NPV Traffic Management
Configuring List of External Interfaces per Server Interface
Enabling the Global Policy for Disruptive Load Balancing
Verifying NPV Configuration
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Verifying NPV
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Verifying NPV Traffic Management
To display the NPV traffic map, enter the show npv traffic-map command.
To display the NPV internal traffic details, enter the show npv internal info traffic-map command.
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Configuring FlexAttach Virtual pWWN
Information About FlexAttach Virtual pWWN
FlexAttach Virtual pWWN
Difference Between San Device Virtualization and FlexAttach Port Virtualization
FlexAttach Virtual pWWN CFS Distribution
Security Settings for FlexAttach Virtual pWWN
Configuring FlexAttach Virtual pWWN
Automatically Assigning FlexAttach Virtual pWWN
Manually Assigning FlexAttach Virtual pWWN
Mapping pWWN to Virtual pWWN
Verifying FlexAttach Virtual pWWN Configuration
Verifying the End Device
Monitoring FlexAttach Virtual pWWN
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Configuring Port Tracking
Information About Port Tracking
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Configuring Port Tracking
Enabling Port Tracking
Information About Configuring Linked Ports
Binding a Tracked Port Operationally
Information About Tracking Multiple Ports
Tracking Multiple Ports
Information About Monitoring Ports in a VSAN
Monitoring Ports in a VSAN
Information AboutForceful Shutdown
Forcefully Shutting Down a Tracked Port
Displaying Port Tracking Information
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Example 9-2 Displays a Tracked Port Configuration for a Fibre Channel Interface
Example 9-3 Displays a Tracked Port Configuration for a PortChannel Interface
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Example 9-4 Displays a Forced Shutdown Configuration
INDEX
Symbols
Numerics
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B
C
D
E
F
G
I
L
M
N
O
P
R
S
T
V
W
Z
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