用户手册目录Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide1Contents3New and Changed Information13Preface15Interfaces Overview19Trunks and PortChannels19Fibre Channel Port Rate Limiting19Extended Credits20N Port Virtualization20FlexAttach20Configuring Interfaces23Information About Interfaces23Interface Description24Interface Modes24E Port25F Port25FL Port25NP Ports25TL Port26TE Port26TF Port26TNP Port27SD Port27ST Port27Fx Port27B Port27Auto Mode27Interface States28Administrative States28Operational States28Reason Codes28Graceful Shutdown31Port Administrative Speeds32Autosensing32Frame Encapsulation32Beacon LEDs33Speed LEDs33Bit Error Thresholds33SFP Transmitter Types34TL Ports35TL Port ALPA Caches36Port Guard36Port Monitor37Port Monitor Port Guard38Port Group Monitor38Local Switching38Slow Drain Device Detection and Congestion Avoidance39Management Interfaces39VSAN Interfaces40Prerequisites for Interfaces40Guidelines and Limitations40Generation 1 Interface Configuration Guidelines40Private Loop Configuration Guidelines41VSAN Interface Configuration Guidelines41Default Settings42Configuring Interfaces42Configuring Fibre Channel Interfaces43Detailed Steps43Setting the Interface Administrative State44Detailed Steps44Configuring Interface Modes44Detailed Steps44Configuring System Default Port Mode F45Restrictions45Detailed Steps45Configuring ISL between Two Switches46Configuring 10-Gbps FC Mode46Detailed Steps47Configuring Port Administrative Speeds47Restrictions47Detailed Steps47Configuring Port Speed Group48Detailed Steps48Configuring the Interface Description48Detailed Steps48Specifying a Port Owner49Detailed Steps49Configuring Beacon Mode49Detailed Steps49Troubleshooting Tips50Disabling Bit Error Threshold50Detailed Steps50Troubleshooting Tips50Configuring Switch Port Attribute Default Values50Detailed Steps51Configuring TL Ports51Manually Inserting Entries into the ALPA Cache51Detailed Steps51Clearing the ALPA Cache51Configuring Port Guard52Detailed Steps52Examples52Troubleshooting Tips53Configuring Port Monitor53Enabling Port Monitor53Detailed Steps53Configuring a Port Monitor Policy54Detailed Steps54Activating a Port Monitor Policy56Detailed Steps56Configuring a Port Monitor Port Guard56Detailed Steps56Configuring Port Group Monitor56Enabling Port Group Monitor57Detailed Steps57Configuring a Port Group Monitor Policy57Detailed Steps57Reverting to the Default Policy for a Specific Counter58Turning Off the Monitoring of Specific Counter58Activating a Port Group Monitor Policy59Configuring Management Interfaces59Detailed Steps59Creating VSAN Interfaces60Detailed Steps60Configuring Slow Drain Device Detection and Congestion Avoidance60Configuring Congestion Frame Timeout Value61Configuring Stuck Frame Timeout Value61Configuring No-Credit Timeout Value61Configuring Credit Loss Recovery Threshold and Action62Configuring Average Credit Nonavailable Duration Threshold and Action63Verifying Interfaces Configuration63Displaying Interface Information64Displaying TL Port Information72Displaying the ALPA Cache Contents73Displaying Port Monitor Status and Policies73Displaying Port Group Monitor Status and Policies75Displaying Management Interface Configuration77Displaying VSAN Interface Information77Configuring Fibre Channel Interfaces79Information About Fibre Channel Interfaces79Generations of Modules and Switches79Port Groups81Port Rate Modes83Dedicated Rate Mode85Shared Rate Mode86Dedicated Rate Mode Configurations for the 8-Gbps Modules87Port Speed88Dynamic Bandwidth Management88Out-of-Service Interfaces89Oversubscription Ratio Restrictions89Bandwidth Fairness95Upgrade or Downgrade Scenario95Guidelines and Limitations96Combining Generation 1, Generation 2, Generation 3, and Generation 4 Modules96Local Switching Limitations97Port Index Limitations97PortChannel Limitations99Default Settings103Configuring Fibre Channel Interfaces104Task Flow for Migrating Interfaces from Shared Mode to Dedicated Mode104Task Flow for Migrating Interfaces from Dedicated Mode to Shared Mode105Task Flow for Configuring 12-Port 4-Gbps Module Interfaces106Task Flow for Configuring 4-Port 10-Gbps Module Interfaces106Configuring Port Speed107Restrictions107Detailed Steps107Configuring Rate Mode108Restrictions108Detailed Steps108Displaying the Rate Mode Configuration for Interfaces109Configuring Local Switching114Detailed Steps114Disabling Restrictions on Oversubscription Ratios115Prerequisites115Detailed Steps115Examples115Enabling Restrictions on Oversubscription Ratios117Prerequisites117Detailed Steps118Enabling Bandwidth Fairness118Detailed Steps118Disabling Bandwidth Fairness119Restrictions119Detailed Steps119Taking Interfaces Out of Service119Prerequisites119Restrictions119Detailed Steps119Releasing Shared Resources in a Port Group120Restrictions120Detailed Steps121Disabling ACL Adjacency Sharing for System Image Downgrade121Verifying Fibre Channel Interfaces Configuration121Displaying Interface Capabilities122Displaying SFP Diagnostic Information123Configuration Examples for Fibre Channel Interfaces123Configuration Example for 48-Port 8-Gbps Module Interfaces124Configuration Example for 24-Port 8-Gbps Module Interfaces124Configuration Example for 4/44-Port 8-Gbps Module Interfaces125Configuration Example for 48-Port 4-Gbps Module Interfaces126Configuration Example for 24-Port 4-Gbps Module Interfaces127Configuring Interface Buffers129Information About Interface Buffers129Buffer-to-Buffer Credits129Performance Buffers130Buffer Pools130BB_Credit Buffers for Switching Modules133Configuring Buffer Credits on a Generation 2, Generation 3 or Generation 4 Module13348-Port 8-Gbps Advanced Fibre Channel Module BB_Credit Buffers13448-Port 8-Gbps Fibre Channel Module BB_Credit Buffers13524-Port 8-Gbps Fibre Channel Module BB_Credit Buffers1364/44-Port 8-Gbps Host-Optimized Fibre Channel Module BB_Credit Buffers13748-Port 4-Gbps Fibre Channel Module BB_Credit Buffers13824-Port 4-Gbps Fibre Channel Module BB_Credit Buffers14018-Port Fibre Channel/4-Port Gigabit Ethernet Multiservice Module BB_Credit Buffers14112-Port 4-Gbps Switching Module BB_Credit Buffers1414-Port 10-Gbps Switching Module BB_Credit Buffers143BB_Credit Buffers for Fabric Switches144Cisco MDS 9148 Fabric Switch BB_Credit Buffers144Cisco MDS 9134 Fabric Switch BB_Credit Buffers144Cisco MDS 9124 Fabric Switch BB_Credit Buffers145Cisco MDS 9222i Multiservice Modular Switch BB_Credit Buffers145Extended BB_Credits145Extended BB_credits on Generation 1 Switching Modules146Extended BB_credits on Generation 2 and Generation 3 Switching Modules147Buffer-to-Buffer Credit Recovery148Buffer-to-Buffer State Change Number148Receive Data Field Size149Configuring Interface Buffers149Configuring Buffer-to-Buffer Credits149Detailed Steps149Configuring Performance Buffers150Detailed Steps150Configuring Extended BB_credits151Detailed Steps151Enabling Buffer-to-Buffer Credit Recovery152Detailed Steps152Enabling the Buffer-to-Buffer State Change Number152Detailed Steps152Configuring Receive Data Field Size152Detailed Steps152Verifying BB_Credit Configuration153Configuring Trunking155Information About Trunking155Trunking E Ports155Trunking F Ports156Key Concepts157Trunking Protocols157Trunk Modes158Trunk-Allowed VSAN Lists and VF_IDs159Guidelines and Limitations161General Guidelines and Limitations161Upgrade and Downgrade Limitations162Difference Between TE Ports and TF-TNP Ports162Trunking Misconfiguration Examples164Default Settings165Configuring Trunking165Enabling the Cisco Trunking and Channeling Protocols165Prerequisites165Detailed Steps165Enabling the F Port Trunking and Channeling Protocol166Prerequisites166Detailed Steps166Configuring Trunk Mode166Detailed Steps166Configuring an Allowed-Active List of VSANs166Detailed Steps166Verifying Trunking Configuration167Configuration Example for F Port Trunking168Configuring PortChannels171Information About PortChannels171PortChannels Overview172E PortChannels172F and TF PortChannels173PortChanneling and Trunking173Load Balancing174PortChannel Modes176PortChannel Deletion177Interfaces in a PortChannel177Interface Addition to a PortChannel178Compatibility Check178Suspended and Isolated States179Forcing an Interface Addition179Interface Deletion from a PortChannel179PortChannel Protocols179Channel Group Creation180Autocreation181Manually Configured Channel Groups182Prerequisites for PortChannels182Guidelines and Limitations183General Guidelines and Limitations183Generation 1 PortChannel Limitations184F and TF PortChannel Limitations184Valid and Invalid PortChannel Examples185Default Settings186Configuring PortChannels187Configuring PortChannels Using the WizardCreating a PortChannel187Detailed Steps187Configuring the PortChannel Mode187Restrictions187Detailed Steps187Deleting PortChannels188Detailed Steps188Adding an Interface to a PortChannel188Detailed Steps188Forcing an Interface Addition189Detailed Steps189Deleting an Interface from a PortChannel189Detailed Steps189Enabling and Configuring Autocreation190Detailed Steps190Converting to Manually Configured Channel Groups190Verifying PortChannel Configuration190Configuration Examples for F and TF PortChannels194Configuring N Port Virtualization197Information About N Port Virtualization197NPV Overview197N Port Identifier Virtualization198N Port Virtualization198NPV Mode200NP Ports201NP Links201Internal FLOGI Parameters201Default Port Numbers202NPV CFS Distribution over IP203NPV Traffic Management203Auto203Traffic Map203Disruptive204Multiple VSAN Support204Guidelines and Limitations204NPV Guidelines and Requirements204NPV Traffic Management Guidelines205DPVM Configuration Guidelines205NPV and Port Security Configuration Guidelines206Configuring N Port Virtualization206Enabling N Port Identifier Virtualization206Detailed Steps206Configuring NPV206Detailed Steps207Configuring NPV Traffic Management208Configuring List of External Interfaces per Server Interface208Detailed Steps208Enabling the Global Policy for Disruptive Load Balancing209Detailed Steps209Verifying NPV Configuration209Verifying NPV210Verifying NPV Traffic Management211Configuring FlexAttach Virtual pWWN213Information About FlexAttach Virtual pWWN213FlexAttach Virtual pWWN213Difference Between San Device Virtualization and FlexAttach Port Virtualization214FlexAttach Virtual pWWN CFS Distribution214Security Settings for FlexAttach Virtual pWWN215Guidelines and Limitations215Configuring FlexAttach Virtual pWWN215Automatically Assigning FlexAttach Virtual pWWN215Prerequisites215Detailed Steps215Troubleshooting Tips216Manually Assigning FlexAttach Virtual pWWN216Prerequisites216Restrictions216Detailed Steps216Mapping pWWN to Virtual pWWN216Prerequisites216Restrictions217Detailed Steps217Verifying FlexAttach Virtual pWWN Configuration217Verifying the End Device218Monitoring FlexAttach Virtual pWWN218Configuring Port Tracking221Information About Port Tracking221Guidelines and Limitations222Default Settings222Configuring Port Tracking223Enabling Port Tracking223Detailed Steps223Information About Configuring Linked Ports223Binding a Tracked Port Operationally224Detailed Steps224Information About Tracking Multiple Ports224Tracking Multiple Ports225Detailed Steps225Information About Monitoring Ports in a VSAN225Monitoring Ports in a VSAN225Detailed Steps225Information AboutForceful Shutdown226Forcefully Shutting Down a Tracked Port226Detailed Steps226Displaying Port Tracking Information226Examples226Index229文件大小： 5.8 MB页数： 236Language: English打开用户手册
