Troubleshooting Cisco Nexus Switches and Nx-OS

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5The definitive deep-dive guide to hardware and software troubleshooting on Cisco Nexus switches


The Cisco Nexus platform and NX-OS switch operating system combine to deliver unprecedented speed, capacity, resilience, and flexibility in today's data center networks. Troubleshooting Cisco Nexus Switches and NX-OS is your single reference for quickly identifying and solving problems with these business-critical technologies.


Three expert authors draw on deep experience with large Cisco customers, emphasizing the most common issues in real-world deployments, including problems that have caused major data center outages. Their authoritative, hands-on guidance addresses both features and architecture, helping you troubleshoot both control plane forwarding and data plane/data path problems and use NX-OS APIs to automate and simplify troubleshooting. Throughout, you'll find real-world configurations, intuitive illustrations, and practical insights into key platform-specific behaviors.


This is an indispensable technical resource for all Cisco network consultants, system/support engineers, network operations professionals, and CCNP/CCIE certification candidates working in the data center domain.


- Understand the NX-OS operating system and its powerful troubleshooting tools

- Solve problems with cards, hardware drops, fabrics, and CoPP policies

- Troubleshoot network packet switching and forwarding

- Properly design, implement, and troubleshoot issues related to Virtual Port Channels (VPC and VPC+)

- Optimize routing through filtering or path manipulation

- Optimize IP/IPv6 services and FHRP protocols (including HSRP, VRRP, and Anycast HSRP)

- Troubleshoot EIGRP, OSPF, and IS-IS neighbor relationships and routing paths

- Identify and resolve issues with Nexus route maps

- Locate problems with BGP neighbor adjacencies and enhance path selection

- Troubleshoot high availability components (BFD, SSO, ISSU, and GIR)

- Understand multicast protocols and troubleshooting techniques

- Identify and solve problems with OTV

- Use NX-OS APIs to automate troubleshooting and administrative tasks

Cisco Press