Cisco Nexus 5000 Series User Manual

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Cisco Nexus 5000 Series NX-OS Interfaces Operations Guide, Release 5.0(3)N2(1)
Preface
This preface describes the audience, organization, and conventions of the Cisco Nexus 5000
Series NX-OS Interfaces Operations Guide, Release 5.0(3)N2(1). It also provides
information on how to obtain related documentation.
This chapter includes the following topics:
• Audience, page iii
• Document Conventions, page iii
• Related Documentation, page v
• Obtaining Documentation and Submitting a Service Request, page v
Audience
This publication is for experienced network administrators who configure and maintain Cisco NX-OS
on Cisco Nexus 5000 Platform switches and Cisco Nexus 5500 Platform switches.
Document Conventions
Command descriptions use the following conventions:
Convention Description
bold Bold text indicates the commands and keywords
that you enter literally as shown.
Italic Italic text indicates arguments for which the user
supplies the values.
[x] Square brackets enclose an optional
element(keyword or argument).
[x | y] Square brackets enclosing keywords or arguments
separated by a vertical bar indicate an optional
choice.
{x | y} Braces enclosing keywords or arguments
separated by a vertical bar indicate a required
choice.

Cisco Nexus 5000 Series Specifications

General

Series	Nexus 5000
Layer Support	Layer 2 and Layer 3
Management	Cisco NX-OS
Speed	10 Gigabit Ethernet
Virtualization Support	Yes
VLAN Support	Yes

Summary

Preface

Audience

Describes the intended audience for the Cisco Nexus 5000 Series NX-OS Interfaces Operations Guide.

Document Conventions

Explains the conventions used in command descriptions and text for the guide.

Related Documentation

Lists other Cisco documentation relevant to the Nexus 5000 Series.

Obtaining Documentation and Submitting Service Requests

Provides information on how to obtain documentation and submit service requests.

Virtual Port Channel Operations

Information About vPC Operations

Details the functionality, benefits, and purpose of Virtual Port Channels (vPCs).

VPC Consistency Checks

Explains the mechanisms and importance of vPC consistency checks for stable operation.

Configuring Changes in vPC Topologies

Provides a procedure for making configuration changes in vPC topologies with minimal disruption.

Replacing Network Devices in vPC Topology

Guides on replacing Cisco Nexus switches or Fabric Extenders in a vPC environment.

VPC Failure Recovery

Covers various vPC failure scenarios and outlines recovery procedures.

Tracing Traffic Flow in a vPC Topology

Explains methods for tracing network traffic flow within a vPC topology.

Nexus 5500 Platform Layer 3 and vPC Operations

vPC and First Hop Redundancy Protocol

Discusses vPC operations with FHRP for default gateway redundancy and improved bandwidth.

ARP Processing with vPC

Explains how ARP requests and replies are handled in a vPC environment.

Layer 3 Forwarding to Peer MAC Address

Details Layer 3 forwarding when destination MAC is a peer switch's MAC address.

Improved Convergence with Layer 3 and vPC

Covers convergence enhancements using vPC with Layer 3 routing features.

VPC Peer Link Failure

Describes the behavior and impact of a vPC peer link failure.

Layer 3 Module Failure Impact

Explains the consequences of a Layer 3 module failure on vPC operations.

Connecting Routers to vPC Topologies

Provides guidance on connecting routers to Cisco Nexus switches in a vPC topology.

Dedicated VRF for Keepalive Interface

Explains the configuration and use of a dedicated VRF for vPC keepalive interfaces.

Layer 3 Parameter Consistency Checks

Discusses consistency checks for Layer 3 configurations within a vPC domain.

Multicast Interaction in vPC

Covers multicast behavior, including unsupported topologies and table size.

Faster Multicast Convergence with Prebuilt Source Tree

Explains how prebuilt source trees improve multicast traffic convergence time.

vPC as PIM Designated Router

Details how a vPC switch can act as a PIM Designated Router for multicast.

Software Upgrade and Downgrade Impact

Analyzes the impact of software upgrades on vPC and Layer 3 features.