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Cisco Nexus 9300 vs 9500: Leaf and Spine Selection

Cisco Nexus 9300 vs 9500: Leaf and Spine Selection

Fixed 1RU leaves or modular chassis spines? How to choose between Cisco Nexus 9300 and 9500 using oversubscription, uplink speed, buffers and redundan

admin admin 2026-09-26
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Nexus vPC: Peer-Gateway, Orphan Ports and Health Checks

Nexus vPC: Peer-Gateway, Orphan Ports and Health Checks

Cisco Nexus vPC beyond the basics: peer-gateway and ARP synchronize, orphan-port suspend behaviour, type-1 consistency checks and show vpc verificatio

admin admin 2026-09-14
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Cisco NX-OS ISSU: Impact Checks and Upgrade Workflow

Cisco NX-OS ISSU: Impact Checks and Upgrade Workflow

Cisco NX-OS ISSU upgrade checks: read show install all impact, resolve feature incompatibilities, handle EPLD and vPC, then verify the switch afterwar

admin admin 2026-09-12
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Cisco Nexus NX-OS OSPF Configuration with Examples

Cisco Nexus NX-OS OSPF Configuration with Examples

Configure OSPFv2 on Cisco Nexus NX-OS switches: feature ospf, router-id, per-interface area assignment, timers, redistribution and neighbour verificat

admin admin 2026-09-09
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Cisco Nexus NX-OS Checkpoint and Rollback Guide

Cisco Nexus NX-OS Checkpoint and Rollback Guide

Cisco Nexus NX-OS checkpoint and rollback guide: create snapshots, diff the patch, run atomic or best-effort rollback, verify and save safely.

admin admin 2026-09-07
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Cisco NX-OS vPC Configuration: Step-by-Step with Commands

Cisco NX-OS vPC Configuration: Step-by-Step with Commands

Cisco Nexus NX-OS vPC step by step: peer-keepalive VRF, peer link, vPC domain, roles, peer-gateway, failure scenarios and the exact CLI verification c

admin admin 2026-09-01
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Cisco Nexus NX-OS VLAN and Trunk Configuration Step by Step

Cisco Nexus NX-OS VLAN and Trunk Configuration Step by Step

Step-by-step Cisco Nexus NX-OS lab: trunk ports, named VLANs, access ports, allowed-VLAN filtering and Layer 3 SVIs, plus verification and troubleshoo

admin admin 2026-08-31
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Cisco Nexus vPC Failover Scenarios and Troubleshooting Checklist

Cisco Nexus vPC Failover Scenarios and Troubleshooting Checklist

Nexus vPC failover explained: how peer-link loss, keepalive failure and peer death change port states, plus Type-1 checks and show vpc verification ch

admin admin 2026-08-27
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VXLAN with MP-BGP EVPN Control Plane: Design and Configuration

VXLAN with MP-BGP EVPN Control Plane: Design and Configuration

MP-BGP EVPN replaces flood-and-learn VXLAN: EVPN route types, underlay MTU, symmetric IRB, distributed anycast gateway, ARP suppression and Nexus 9000

admin admin 2026-08-27
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Cisco EVPN/VxLAN Multisite: Troubleshooting Commands

Cisco EVPN/VxLAN Multisite: Troubleshooting Commands

Troubleshoot EVPN-VXLAN across sites on Nexus 9000: read MAC/IP routes, check BGP EVPN next hop and route targets, and prove the data path with captur

admin admin 2026-08-26
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