9781587058929

Plan, configure, operate, and troubleshoot Cisco's advanced NX-OS in even the most complex enterprise environments bull; bull;Accelerates the NX-OS learning curve, demonstrating how NX-OS works and how to use it to configure advanced Nexus switches in data center environments. bull;Offers indispensable troubleshooting guidance directly from Cisco enterprise consultants. bull;Cisco's Nexus switches and new NX-OS operating system are expected to become the de-facto standards in the coming years. Cisco's Nexus switches and new NX-OS operating system are expected to become the de-facto standards for data center distribution/aggregation layer networking in the coming years. NX-OS builds on Cisco IOS to provide powerful features that are becoming increasingly crucial to efficient data center operations. NX-OS and Nexus Switching is the first comprehensive guide to the new capabilities that make NX-OS so indispensable in enterprise environments. In this book, three Cisco enterprise consultants cover every facet of deploying, configuring, operating, and troubleshooting NX-OS in the data center. The authors discuss NX-OS's similarities and differences with IOS, and thoroughly review its key enhancements for high availability, virtualization, In- Service Software Upgrades (ISSU), and security. They systematically cover both Layer 2 and Layer 3 support and configuration best practices; multicasting; serviceability; and FCoE. They also present never-before-published problemsolving guidance based on their own extensive experience working with leading-edge adopters.

Kevin Corbin, CCIE® No. 11577, is a Technical Solutions Architect for Cisco, specializing in data center technologies. Kevin works with enterprise customers to help them develop their next-generation data center architectures. Kevin has more than 14 years of server and networking experiencing including routing, switching, security, and content networking.
Ron Fuller, CCIE No. 5851 (Routing and Switching/Storage Networking), is a Technical Solution Architect for Cisco with 19 years of experience in the industry. His focus is working with enterprise customers to address their challenges with comprehensive end-to-end data center architectures.
David Jansen, CCIE No. 5952, is a Technical Solutions Architect for Cisco's U.S. Enterprise Segment, where he works with enterprise customers to address end-to-end data center architectures. David has more than 20 years experience in the information technology industry.

Foreword xiv

Introduction xv

Chapter 1 Introduction to Cisco NX-OS 1

NX-OS Overview 1

NX-OS Supported Platforms 3

Cisco NX-OS and Cisco IOS Comparison 3

NX-OS User Modes 5

EXEC Command Mode 6

Global Configuration Command Mode 6

Interface Configuration Command Mode 7

Management Interfaces 8

Controller Processor (Supervisor Module) 8

Connectivity Management Processor (CMP) 9

Telnet 11

SSH 12

XML 14

SNMP 14

DCNM 19

Managing System Files 20

File Systems 21

Configuration Files: Configuration Rollback 25

Operating System Files 27

Virtual Device Contexts (VDCs) 28

VDC Configuration 29

Troubleshooting 33

show Commands 33

debug Commands 34

Topology 34

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NX-OS and Cisco Nexus Switching : Next-Generation Data Center Architectures

NX-OS and Cisco Nexus Switching : Next-Generation Data Center Architectures

1587058928

Summary

Author Biography

Table of Contents

Supplemental Materials