Configuration Guide
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Send document comments to nexus7k-docfeedback@cisco.com Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x June 22, 2012 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883 Text Part Number: OL-23435-03
Send document comments to nexus7k-docfeedback@cisco.com Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x June 22, 2012 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883 Text Part Number: OL-23435-03
Configuration Guide
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... SOFTWARE OF THESE SUPPLIERS ARE PROVIDED "AS IS" WITH ALL FAULTS. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x © 2009-2011 Cisco Systems, Inc. All rights reserved. Copyright © 1981, Regents of the University of Cisco Systems, Inc. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR...
... SOFTWARE OF THESE SUPPLIERS ARE PROVIDED "AS IS" WITH ALL FAULTS. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x © 2009-2011 Cisco Systems, Inc. All rights reserved. Copyright © 1981, Regents of the University of Cisco Systems, Inc. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR...
Configuration Guide
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Contents Send document comments to nexus7k-docfeedback@cisco.com Bandwidth 2-7 Throughput Delay 2-7 Administrative Status 2-7 Unidirectional Link Detection Parameter 2-7 Carrier Delay 2-10 Port-Channel Parameters 2-10 Port Profiles 2-10 Time Domain Reflectometry Cable Diagnostics 2-... 2-54 Displaying Interface Statistics 2-54 Clearing Interface Counters 2-56 Additional References 2-56 Related Documents 2-57 Standards 2-57 Feature History for Configuring Basic Interface Parameters 2-57 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x iv OL-23435-03
Contents Send document comments to nexus7k-docfeedback@cisco.com Bandwidth 2-7 Throughput Delay 2-7 Administrative Status 2-7 Unidirectional Link Detection Parameter 2-7 Carrier Delay 2-10 Port-Channel Parameters 2-10 Port Profiles 2-10 Time Domain Reflectometry Cable Diagnostics 2-... 2-54 Displaying Interface Statistics 2-54 Clearing Interface Counters 2-56 Additional References 2-56 Related Documents 2-57 Standards 2-57 Feature History for Configuring Basic Interface Parameters 2-57 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x iv OL-23435-03
Configuration Guide
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Contents Send document comments to nexus7k-docfeedback@cisco.com 3 C H A P T E R 4 C H A P T E R Configuring Layer 2 Interfaces 3-1 Information About Access and Trunk Interfaces 3-2 Information About Access and Trunk Interfaces 3-3 IEEE 802.1Q Encapsulation 3-4 Access VLANs 3-5 Native VLAN IDs ... 3-24 Related Documents 3-24 Standards 3-24 MIBs 3-25 Feature History for Configuring Layer 2 Interfaces 3-25 Configuring Layer 3 Interfaces 4-1 Information About Layer 3 Interfaces 4-1 OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x v
Contents Send document comments to nexus7k-docfeedback@cisco.com 3 C H A P T E R 4 C H A P T E R Configuring Layer 2 Interfaces 3-1 Information About Access and Trunk Interfaces 3-2 Information About Access and Trunk Interfaces 3-3 IEEE 802.1Q Encapsulation 3-4 Access VLANs 3-5 Native VLAN IDs ... 3-24 Related Documents 3-24 Standards 3-24 MIBs 3-25 Feature History for Configuring Layer 2 Interfaces 3-25 Configuring Layer 3 Interfaces 4-1 Information About Layer 3 Interfaces 4-1 OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x v
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... Routed Interface 4-6 Configuring a Subinterface 4-8 Configuring the Bandwidth on an Interface 4-9 Configuring a VLAN interface 4-10 Configuring Inband Management in the Nexus Chassis 4-12 Configuring a Loopback Interface 4-14 Assigning an Interface to a VRF 4-15 Verifying the Layer 3 Interfaces Configuration 4-16 Monitoring Layer... About BFD 5-1 Asynchronous Mode 5-2 BFD Detection of Failures 5-2 Distributed Operation 5-3 BFD Echo Function 5-3 Security 5-4 High Availability 5-4 Virtualization Support 5-4 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x vi OL-23435-03
... Routed Interface 4-6 Configuring a Subinterface 4-8 Configuring the Bandwidth on an Interface 4-9 Configuring a VLAN interface 4-10 Configuring Inband Management in the Nexus Chassis 4-12 Configuring a Loopback Interface 4-14 Assigning an Interface to a VRF 4-15 Verifying the Layer 3 Interfaces Configuration 4-16 Monitoring Layer... About BFD 5-1 Asynchronous Mode 5-2 BFD Detection of Failures 5-2 Distributed Operation 5-3 BFD Echo Function 5-3 Security 5-4 High Availability 5-4 Virtualization Support 5-4 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x vi OL-23435-03
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Contents Send document comments to nexus7k-docfeedback@cisco.com Licensing Requirements for BFD 5-4 Prerequisites for BFD 5-4 Guidelines and Limitations 5-5 Default Settings 5-6 Configuring BFD 5-6 Configuration Hierarchy 5-7 Task Flow for Configuring BFD 5-7 Enabling the BFD ... Channeling 6-14 Prerequisites for Port Channeling 6-14 Guidelines and Limitations 6-14 Default Settings 6-15 Configuring Port Channels 6-15 Creating a Port Channel 6-16 OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x vii
Contents Send document comments to nexus7k-docfeedback@cisco.com Licensing Requirements for BFD 5-4 Prerequisites for BFD 5-4 Guidelines and Limitations 5-5 Default Settings 5-6 Configuring BFD 5-6 Configuration Hierarchy 5-7 Task Flow for Configuring BFD 5-7 Enabling the BFD ... Channeling 6-14 Prerequisites for Port Channeling 6-14 Guidelines and Limitations 6-14 Default Settings 6-15 Configuring Port Channels 6-15 Creating a Port Channel 6-16 OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x vii
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Contents Send document comments to nexus7k-docfeedback@cisco.com Adding a Layer 2 Port to a Port Channel 6-17 Adding a Layer 3 Port to a Port Channel 6-19 Configuring the Bandwidth and Delay for Informational Purposes 6-21 Shutting ... Peer-Gateway 7-12 vPC Domain 7-13 vPC Topology 7-14 Compatibility Parameters for vPC Interfaces 7-15 vPC Number 7-18 Moving Other Port Channels into a vPC 7-18 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x viii OL-23435-03
Contents Send document comments to nexus7k-docfeedback@cisco.com Adding a Layer 2 Port to a Port Channel 6-17 Adding a Layer 3 Port to a Port Channel 6-19 Configuring the Bandwidth and Delay for Informational Purposes 6-21 Shutting ... Peer-Gateway 7-12 vPC Domain 7-13 vPC Topology 7-14 Compatibility Parameters for vPC Interfaces 7-15 vPC Number 7-18 Moving Other Port Channels into a vPC 7-18 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x viii OL-23435-03
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Contents Send document comments to nexus7k-docfeedback@cisco.com Configuring vPC Peer Links and Links to the Core on a Single Module 7-19 vPC Interactions with Other Features 7-20 Virtualization Support 7-27 ...vPC Peer Switch 7-53 Verifying the vPC Configuration 7-56 Monitoring vPCs 7-57 Configuration Examples for vPCs 7-57 Additional References 7-59 Related Documents 7-60 Standards 7-60 MIBs 7-60 Feature History for Configuring vPCs 7-60 8 C H A P T E R Configuring IP Tunnels 8-1 Information About IP Tunnels 8-1 IP Tunnel Overview 8-1 GRE Tunnels 8-2 OL-23435-03 Cisco Nexus 7000 Series NX-...
Contents Send document comments to nexus7k-docfeedback@cisco.com Configuring vPC Peer Links and Links to the Core on a Single Module 7-19 vPC Interactions with Other Features 7-20 Virtualization Support 7-27 ...vPC Peer Switch 7-53 Verifying the vPC Configuration 7-56 Monitoring vPCs 7-57 Configuration Examples for vPCs 7-57 Additional References 7-59 Related Documents 7-60 Standards 7-60 MIBs 7-60 Feature History for Configuring vPCs 7-60 8 C H A P T E R Configuring IP Tunnels 8-1 Information About IP Tunnels 8-1 IP Tunnel Overview 8-1 GRE Tunnels 8-2 OL-23435-03 Cisco Nexus 7000 Series NX-...
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Contents Send document comments to nexus7k-docfeedback@cisco.com Path MTU Discovery 8-3 Virtualization Support 8-3 High Availability 8-3 Licensing Requirements for IP Tunnels 8-3 Prerequisites for IP Tunnels 8-4 Guidelines and Limitations 8-4 Default Settings 8-4 Configuring IP Tunnels 8-4 ... 9-14 Verifying the Q-in-Q Configuration 9-16 Configuration Examples for Q-in-Q and Layer 2 Protocol Tunneling 9-16 Feature History for Q-in-Q Tunnels and Layer 2 Protocol Tunneling 9-17 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x x OL-23435-03
Contents Send document comments to nexus7k-docfeedback@cisco.com Path MTU Discovery 8-3 Virtualization Support 8-3 High Availability 8-3 Licensing Requirements for IP Tunnels 8-3 Prerequisites for IP Tunnels 8-4 Guidelines and Limitations 8-4 Default Settings 8-4 Configuring IP Tunnels 8-4 ... 9-14 Verifying the Q-in-Q Configuration 9-16 Configuration Examples for Q-in-Q and Layer 2 Protocol Tunneling 9-16 Feature History for Q-in-Q Tunnels and Layer 2 Protocol Tunneling 9-17 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x x OL-23435-03
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... the existing configuration 5.2(1) of this document is available at the following Cisco website: http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/interfaces/configuration/guide/if_ cli.html To check for additional information about Cisco NX--OS Release 5.x, see the Cisco Nexus 7000 Series NX-OS Release Notes, Release 5.x. Send document comments to nexus7k...
... the existing configuration 5.2(1) of this document is available at the following Cisco website: http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/interfaces/configuration/guide/if_ cli.html To check for additional information about Cisco NX--OS Release 5.x, see the Cisco Nexus 7000 Series NX-OS Release Notes, Release 5.x. Send document comments to nexus7k...
Configuration Guide
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... in Release Where Documented Inband Management in the Nexus Chassis Configures inband management in the Cisco 5.1(1) Nexus 7000 switches when there are only F1 series module in the chassis. New and Changed Information Send document comments to appear as a single STP root in the Layer 2 topology. 5.0(2) Chapter 7, "Configuring vPCs" Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xiv...
... in Release Where Documented Inband Management in the Nexus Chassis Configures inband management in the Cisco 5.1(1) Nexus 7000 switches when there are only F1 series module in the chassis. New and Changed Information Send document comments to appear as a single STP root in the Layer 2 topology. 5.0(2) Chapter 7, "Configuring vPCs" Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xiv...
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... related documentation. It also provides information on how to nexus7k-docfeedback@cisco.com Preface This preface describes the audience, organization and conventions of the Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x. Describes how to provide fast... forwarding-path failure detection times for media types, encapsulations, topologies, and routing protocols.. Describes how to configure Bidirectional Forwarding Detection (BFD) to configure Layer 2 switching...
... related documentation. It also provides information on how to nexus7k-docfeedback@cisco.com Preface This preface describes the audience, organization and conventions of the Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x. Describes how to provide fast... forwarding-path failure detection times for media types, encapsulations, topologies, and routing protocols.. Describes how to configure Bidirectional Forwarding Detection (BFD) to configure Layer 2 switching...
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...switch displays are in screen font. italic screen font Arguments for which you supply values are in italics. Document Conventions Preface Send document comments to nexus7k-docfeedback@cisco.com Chapter Description Chapter 8, "Configuring IP Tunnels" Describes how to material not covered in brackets and separated by Cisco... use quotation marks around the string or the string will include the quotation marks. Elements in boldface. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xvi OL-23435-03 This document uses the following conventions:...
...switch displays are in screen font. italic screen font Arguments for which you supply values are in italics. Document Conventions Preface Send document comments to nexus7k-docfeedback@cisco.com Chapter Description Chapter 8, "Configuring IP Tunnels" Describes how to material not covered in brackets and separated by Cisco... use quotation marks around the string or the string will include the quotation marks. Elements in boldface. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xvi OL-23435-03 This document uses the following conventions:...
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... RSS Version 2.0. In this situation, you might do something that could result in Cisco Product Documentation as an RSS feed and set content to be careful. The RSS feeds are a free service. Obtaining Documentation and Submitting a..., which also lists all new and revised Cisco technical documentation, at: http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html Subscribe to nexus7k-docfeedback@cisco.com Caution Means reader be delivered directly to your desktop using a reader application. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x ...
... RSS Version 2.0. In this situation, you might do something that could result in Cisco Product Documentation as an RSS feed and set content to be careful. The RSS feeds are a free service. Obtaining Documentation and Submitting a..., which also lists all new and revised Cisco technical documentation, at: http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html Subscribe to nexus7k-docfeedback@cisco.com Caution Means reader be delivered directly to your desktop using a reader application. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x ...
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... overview of this document Layer 2 MAC, VLANs, private VLANs, Rapid PVST+, Multiple Spanning Tree, Spanning Tree Extensions Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x Port security Cisco Nexus 7000 Series NX-OS Security Configuration Guide, Release 5.x OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-1 This chapter includes the following sections: • Information About Interfaces...
... overview of this document Layer 2 MAC, VLANs, private VLANs, Rapid PVST+, Multiple Spanning Tree, Spanning Tree Extensions Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x Port security Cisco Nexus 7000 Series NX-OS Security Configuration Guide, Release 5.x OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-1 This chapter includes the following sections: • Information About Interfaces...
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..." of this document Security Dot1X, NAC, EOU, port security Cisco Nexus 7000 Series NX-OS Security Configuration Guide, Release 5.x FCoE Beginning with Cisco NX-OS Cisco NX-OS FCoE Configuration Guide for Release 5.2(1), you can run Fibre Cisco Nexus 7000 and Cisco MDS 9500 Channel over Ethernet (FCoE) on the Cisco Nexus 7000 Series Switch This section includes the following topics: • Access Ports, page...
..." of this document Security Dot1X, NAC, EOU, port security Cisco Nexus 7000 Series NX-OS Security Configuration Guide, Release 5.x FCoE Beginning with Cisco NX-OS Cisco NX-OS FCoE Configuration Guide for Release 5.2(1), you can run Fibre Cisco Nexus 7000 and Cisco MDS 9500 Channel over Ethernet (FCoE) on the Cisco Nexus 7000 Series Switch This section includes the following topics: • Access Ports, page...
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... device to another device. For more VLANs. Trunk Ports A trunk port carries traffic for two or more information about trunk-port interfaces, see the Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x. Management Interface You can route IP traffic to a network for remote management using a Telnet client, the Simple Network Management Protocol...
... device to another device. For more VLANs. Trunk Ports A trunk port carries traffic for two or more information about trunk-port interfaces, see the Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x. Management Interface You can route IP traffic to a network for remote management using a Telnet client, the Simple Network Management Protocol...
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...vPCs Virtual port channels (vPCs) allow links that are physically connected to two different Cisco Nexus 7000 series devices to appear as a Layer 3 interface. For more information on VLAN network ... a physical interface. This feature is implemented as IP addresses and dynamic routing protocols. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-4 OL-23435-03 VLAN Network Interfaces ...About Interfaces Chapter 1 Overview Send document comments to nexus7k-docfeedback@cisco.com Port-Channel Interfaces A port channel is a logical interface that is an ...
...vPCs Virtual port channels (vPCs) allow links that are physically connected to two different Cisco Nexus 7000 series devices to appear as a Layer 3 interface. For more information on VLAN network ... a physical interface. This feature is implemented as IP addresses and dynamic routing protocols. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-4 OL-23435-03 VLAN Network Interfaces ...About Interfaces Chapter 1 Overview Send document comments to nexus7k-docfeedback@cisco.com Port-Channel Interfaces A port channel is a logical interface that is an ...
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...You must install this license on every system that interface if you are in the correct VDC. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-5 High Availability for Interfaces IP tunnels and vPCs require the Enterprise Services license.... A stateful restart occurs on VDCs, see the Cisco Nexus 7000 Series NX-OS Virtual Device Context Configuration Guide, Release 5.x. Licensing Requirements for Interfaces Interfaces support stateful and stateless restarts. All other...
...You must install this license on every system that interface if you are in the correct VDC. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-5 High Availability for Interfaces IP tunnels and vPCs require the Enterprise Services license.... A stateful restart occurs on VDCs, see the Cisco Nexus 7000 Series NX-OS Virtual Device Context Configuration Guide, Release 5.x. Licensing Requirements for Interfaces Interfaces support stateful and stateless restarts. All other...
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Licensing Requirements for Interfaces Chapter 1 Overview Send document comments to nexus7k-docfeedback@cisco.com Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-6 OL-23435-03
Licensing Requirements for Interfaces Chapter 1 Overview Send document comments to nexus7k-docfeedback@cisco.com Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-6 OL-23435-03