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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..., command display output, and figures included in the U.S. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x © 2009-2011 Cisco Systems, Inc. and/or its affiliates in the document are trademarks of Cisco's trademarks can be actual addresses. A listing of Cisco Systems, Inc. The Cisco implementation of California. Third party trademarks mentioned are not...
..., command display output, and figures included in the U.S. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x © 2009-2011 Cisco Systems, Inc. and/or its affiliates in the document are trademarks of Cisco's trademarks can be actual addresses. A listing of Cisco Systems, Inc. The Cisco implementation of California. Third party trademarks mentioned are not...
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
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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 Recovery ... 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-OS Interfaces Configuration Guide, Release 5.x ix
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 Recovery ... 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-OS Interfaces Configuration Guide, Release 5.x ix
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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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... 5.2(1) interface link-up calculation when there are multiple ports in the Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x. Chapter 2, "Configuring Basic Interface Parameters" OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xiii Table 1...Rate Limits Description Changed in Release Where Documented Fabric Extender ports have Layer 3 support for additional information about Cisco NX--OS Release 5.x, see the Cisco Nexus 7000 Series NX-OS Release Notes, Release 5.x. Chapter 3, "Configuring Layer 2 Interfaces" Allows you to...
... 5.2(1) interface link-up calculation when there are multiple ports in the Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x. Chapter 2, "Configuring Basic Interface Parameters" OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xiii Table 1...Rate Limits Description Changed in Release Where Documented Fabric Extender ports have Layer 3 support for additional information about Cisco NX--OS Release 5.x, see the Cisco Nexus 7000 Series NX-OS Release Notes, Release 5.x. Chapter 3, "Configuring Layer 2 Interfaces" Allows you to...
Configuration Guide
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... Q-in-Q Tunneling Enables the segregation of VLANs for Cisco NX--OS Release 5.x (continued) Feature Description Changed 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 Layer 2 topology. 5.0(2) Chapter 7, "Configuring vPCs" Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
... Q-in-Q Tunneling Enables the segregation of VLANs for Cisco NX--OS Release 5.x (continued) Feature Description Changed 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 Layer 2 topology. 5.0(2) Chapter 7, "Configuring vPCs" Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide...
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It also provides information on how to configure virtual port channels (vPCs). OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xv Describes how you can configure the basic parameters shared by ..." Chapter 7, "Configuring vPCs" Description Provides an overview of the Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x. Describes how to nexus7k-docfeedback@cisco.com Preface This preface describes the audience, organization and conventions of the Cisco NX-OS interfaces. Send document comments to configure Layer 3 interfaces...
It also provides information on how to configure virtual port channels (vPCs). OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xv Describes how you can configure the basic parameters shared by ..." Chapter 7, "Configuring vPCs" Description Provides an overview of the Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x. Describes how to nexus7k-docfeedback@cisco.com Preface This preface describes the audience, organization and conventions of the Cisco NX-OS interfaces. Send document comments to configure Layer 3 interfaces...
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...such as passwords, are in angle brackets. [ ] Default responses to configure IP tunnels using Generic Route Encapsulation (GRE) on the device. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xvi OL-23435-03 Elements in square brackets. !, # An exclamation point (!) or a...following conventions: Note Means reader take note. Optional alternative keywords are in Cisco NX-OS Release 4.x Chapter B, "Configuration Limits for Cisco NX-OS Interfaces" Lists the Cisco verified limits and maximum limits for interfaces supported in screen font. Screen examples...
...such as passwords, are in angle brackets. [ ] Default responses to configure IP tunnels using Generic Route Encapsulation (GRE) on the device. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xvi OL-23435-03 Elements in square brackets. !, # An exclamation point (!) or a...following conventions: Note Means reader take note. Optional alternative keywords are in Cisco NX-OS Release 4.x Chapter B, "Configuration Limits for Cisco NX-OS Interfaces" Lists the Cisco verified limits and maximum limits for interfaces supported in screen font. Screen examples...
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In this situation, you might do something that could result in Cisco Product Documentation as an RSS feed and set content to be careful. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xvii Obtaining Documentation and Submitting a Service Request For information on obtaining documentation, submitting a service request, and gathering...
In this situation, you might do something that could result in Cisco Product Documentation as an RSS feed and set content to be careful. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x xvii Obtaining Documentation and Submitting a Service Request For information on obtaining documentation, submitting a service request, and gathering...
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... 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...
... 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...
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... Further Information Layer 3 medium, IPv4 and IPv6 addresses Chapter 4, "Configuring Layer 3 Interfaces" of this document bandwidth, delay, IP routing, VRFs Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide, Release 5.x Port Channels channel group, LACP Chapter 6, "Configuring Port Channels" of this document...
... Further Information Layer 3 medium, IPv4 and IPv6 addresses Chapter 4, "Configuring Layer 3 Interfaces" of this document bandwidth, delay, IP routing, VRFs Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide, Release 5.x Port Channels channel group, LACP Chapter 6, "Configuring Port Channels" of this document...
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... provide traffic separation and security at a speed of a primary VLAN and a secondary VLAN, all other PVLAN configurations, see the Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x. A PVLAN is autosensing and operates in the primary VLAN. Regardless... (SVI), on configuring the IP address and default IP routing for the management interface in other community VLANs. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-3 Chapter 1 Overview Information About Interfaces Send document comments to a network ...
... provide traffic separation and security at a speed of a primary VLAN and a secondary VLAN, all other PVLAN configurations, see the Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x. A PVLAN is autosensing and operates in the primary VLAN. Regardless... (SVI), on configuring the IP address and default IP routing for the management interface in other community VLANs. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-3 Chapter 1 Overview Information About Interfaces Send document comments to a network ...
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You can bundle up . vPCs Virtual port channels (vPCs) allow links that are physically connected to two different Cisco Nexus 7000 series devices to appear as IP addresses and dynamic routing protocols. For more information on subinterfaces, see Chapter 8, "...Any packet that is transmitted over a virtual loopback interface is immediately received by a third device. You can route across these channeled physical interfaces. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-4 OL-23435-03 A parent interface can assign unique Layer 3 parameters such as a ...
You can bundle up . vPCs Virtual port channels (vPCs) allow links that are physically connected to two different Cisco Nexus 7000 series devices to appear as IP addresses and dynamic routing protocols. For more information on subinterfaces, see Chapter 8, "...Any packet that is transmitted over a virtual loopback interface is immediately received by a third device. You can route across these channeled physical interfaces. Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-4 OL-23435-03 A parent interface can assign unique Layer 3 parameters such as a ...
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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. Once .... Chapter 1 Overview Virtualization Interfaces Send document comments to a VDC, you can only configure that enables IP tunnels. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-5 After the switchover, Cisco NX-OS applies the runtime configuration after the switchover. Each VDC is allocated to nexus7k-docfeedback...
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. Once .... Chapter 1 Overview Virtualization Interfaces Send document comments to a VDC, you can only configure that enables IP tunnels. OL-23435-03 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x 1-5 After the switchover, Cisco NX-OS applies the runtime configuration after the switchover. Each VDC is allocated to nexus7k-docfeedback...
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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