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Cisco Nexus 6000 Series

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Cisco Nexus 6000 Series NX-OS Layer 2 Switching Configuration Guide, Release 7.x

xviii

Preface

Obtaining Documentation and Submitting a Service Request

Table of Contents

Default Chapter3
- Table of Contents3
Preface13
- Audience13
New and Changed Information19
Overview21
- Layer 2 Ethernet Switching Overview21
- Vlans21
- Chapter21
- Private Vlans22
- Spanning Tree22
Configuring Vlans25
- Information about Vlans25
- Configuring a VLAN33
Configuring Private Vlans45
- Guidelines and Limitations for Private Vlans45
- Information about Private Vlans46
- Configuring a Private VLAN52
- Verifying the Private VLAN Configuration60
Configuring Rapid PVST61
- Information about Rapid PVST61
- Configuring Rapid PVST76
- Verifying the Rapid PVST+ Configuration84
Configuring Multiple Spanning Tree87
- Information about MST87
  - MST Overview87
  - MST Regions88
  - MST Bpdus88
  - MST Configuration Information89
  - IST, CIST, and CST89
  - Hop Count92
  - Boundary Ports92
  - Spanning-Tree Dispute Mechanism93
  - Port Cost and Port Priority94
  - Interoperability with IEEE 802.1D94
  - Interoperability with Rapid PVST+: Understanding PVST Simulation95
- Configuring MST95
  - MST Configuration Guidelines95
- Enabling MST95
- Entering MST Configuration Mode96
- Specifying the MST Name97
- Specifying the MST Configuration Revision Number98
- Specifying the Configuration on an MST Region98
- Mapping and Unmapping Vlans to MST Instances100
- Mapping Secondary Vlans to same MSTI as Primary Vlans for Private Vlans100
- Configuring the Root Bridge101
- Configuring a Secondary Root Bridge102
- Configuring the Port Priority103
- Configuring the Port Cost104
- Configuring the Switch Priority104
- Configuring the Hello Time105
- Configuring the Forwarding-Delay Time106
- Configuring the Maximum-Aging Time106
- Configuring the Maximum-Hop Count107
- Configuring PVST Simulation Globally107
- Configuring PVST Simulation Per Port108
- Specifying the Link Type109
- Restarting the Protocol110
- Verifying the MST Configuration110
Chapter 7 Configuring STP Extensions111
- Overview111
  - Information about STP Extensions111
  - Configuring STP Extensions115
Chapter 8 Configuring LLDP125
- Configuring LLDP125
  - Configuring Interface LLDP126
Configuring MAC Address Tables129
- Information about MAC Addresses129
C H a P T E135
- Configuring IGMP Snooping135
Configuring MVR143
- Information about MVR143
  - MVR Overview143
  - MVR Interoperation with Other Features144
- Licensing Requirements for MVR144
- Guidelines and Limitations for MVR144
- Default MVR Settings145
- Configuring MVR145
  - Configuring MVR Global Parameters145
  - Configuring MVR Interfaces147
- Verifying the MVR Configuration148
C H a P T E151
Configuring VTP V3151
- VTP V3 Overview151
- Guidelines and Limitation151
- VTP V3 Modes152
- VTP V3 Pruning153
- VTP V3 Per Interface153
- VTP V3 Pruning and Spanning Tree Protocol153
- Default VTP Settings153
- Configuring VTP V3154
  - Configuring VTP V3 Pruning156
- Information about Traffic Storm Control159
Chapter 1 3 Configuring Traffic Storm Control161
- Guidelines and Limitations for Traffic Storm Control161
- Configuring Traffic Storm Control161
- Verifying the Traffic Storm Control Configuration162
- Traffic Storm Control Example Configuration162
- Default Settings for Traffic Storm Control163
C H a P T E165
Configuring the Fabric Extender165
- Information about the Cisco Nexus 2000 Series Fabric Extender166
- Fabric Extender Terminology167
- Fabric Extender Features167
- Oversubscription173
- Management Model174
- Forwarding Model175
- Connection Model175
  - Static Pinning Fabric Interface Connection176
  - Port Channel Fabric Interface Connection177
- Port Numbering Convention178
- Fabric Extender Image Management178
- Fabric Extender Hardware178
  - Chassis179
  - Ethernet Interfaces179
- Speed and Duplex Mode180
  - Example: Configuring the Interface Speed Parameters182
- Associating a Fabric Extender to a Fabric Interface183
- Configuring Fabric Extender Global Features186
- Enabling the Fabric Extender Locator LED188
- Redistributing the Links189
  - Changing the Number of Links189
  - Maintaining the Pinning Order189
    - Redistributing Host Interfaces190
- Verifying the Fabric Extender Configuration191
- Verifying the Chassis Management Information192
- Configuring the Cisco Nexus N2248TP-E Fabric Extender195
- Configuring the Cisco Nexus N2248PQ Fabric Extender199
Chapter 1 5 Configuring VM-FEX203
- Information about VM-FEX203
- Licensing Requirements for VM-FEX205
- Default Settings for VM-FEX205
- Configuring VM-FEX206
- Verifying the VM-FEX Configuration214
  - Verifying the Status of the Virtual Interfaces214
  - Verifying the Connection to the Vcenter Server216
Configuring MAC/ARP Hardware Resource Carving Template217
- Information about MAC/ARP Hardware Resource Carving Template217
- Configuring the MAC/ARP Hardware Resource Template218
- Applying the Default Template219
- Verifying the MAC/ARP Hardware Resource Carving Template Configuration219
Chapter 1 7 Configuring VN-Segment221
- Information about VN-Segment221
- Guidelines and Limitations for VN-Segment223
- Enabling VN-Segment223
- Configuring VN-Segment for a VLAN224
- Configuring VN-Segment for VLAN in Configure Sync225
- Configuring VN-Segment in Transit Mode225
- Configuring VN-Segment in Non-Transit Mode226
- Disabling VN-Segment226
- Verifying VN-Segment Configuration227

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