Cisco Cisco Nexus 1000V Switch Troubleshooting Guide

Contents

Introduction

Prerequisites

Requirements

Components Used

Configure

Network Topology

Tracing of MAC Addresses at Different Network Segments

Verify

Troubleshoot

Introduction

This document describes how to trace MAC addresses of a virtual machine (VM) and VMkernel
(VMK) interface at these network levels:

Cisco Nexus 5000 Series Switches

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Cisco Unified Computing System (UCS) 6248 Fabric Interconnect (FI)

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VMware ESXi host

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Cisco Nexus 1000V Switch

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It is important to understand which uplink a VM or VMK interface uses for communication for both
troubleshooting and design aspects.

Prerequisites

Requirements

Cisco recommends that you have knowledge of these topics:

vPC feature in Cisco NX-OS

●

Cisco Unified Computing System

●

VMware ESXi

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Cisco Nexus 1000V Switch

●

Components Used

The information in this document is based on these software and hardware versions:

Cisco Nexus 5020 Switch Version 5.0(3)N2(2a)

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Cisco Unified Computing System Version 2.1(1d)

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Cisco Unified Computing System B200 M3 Blade Server with Cisco Virtual Interface Card
(VIC) 1240 (Palo) CNAvSphere 5.1 (ESXi and vCenter)

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Cisco Nexus 1000V Switch Version 4.2(1)SV2(1.1a)

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The information in this document was created from the devices in a specific lab environment. All of