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Cisco IOS Ansible Playbook: Standard + Unique Configs

Cisco IOS Ansible Playbook: Standard + Unique Configs

Build a Cisco IOS Ansible playbook with roles: standard banner, DNS, NTP and secret configs plus host_vars for per-device hostname and VLANs.

admin admin 2026-08-23
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Ansible Network Automation 101: Cisco IOS First Steps

Ansible Network Automation 101: Cisco IOS First Steps

Beginner guide to Ansible for Cisco IOS: install Ansible, build inventory and group_vars, run ios_command show commands, and make idempotent VLAN chan

admin admin 2026-08-23
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Cisco NCS 1002 Troubleshooting: General Diagnostics Guide

Cisco NCS 1002 Troubleshooting: General Diagnostics Guide

Cisco NCS 1002 troubleshooting: validate software install, isolate node and management faults, section optics with loopbacks, plus alarms and TAC data

admin admin 2026-08-23
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Unexpected MAC Learning on Catalyst 9000 Switches

Unexpected MAC Learning on Catalyst 9000 Switches

Catalyst 9300 learned the gateway MAC on random access ports, breaking a VLAN. How packet reflection, dot1x MAB and stuck MACs caused it, proven with

admin admin 2026-08-23
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Configure and Verify BFD on Nexus 9000: Step-by-Step

Configure and Verify BFD on Nexus 9000: Step-by-Step

Enable BFD on Cisco Nexus 9000 and verify it end to end: feature bfd, timer maths, OSPF/EIGRP/BGP binding, show bfd neighbors details and down reasons

admin admin 2026-08-23
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Cisco IOS XR Bundle Troubleshooting Guide: LACP, MLAG & BFD

Cisco IOS XR Bundle Troubleshooting Guide: LACP, MLAG & BFD

Troubleshoot Cisco IOS XR link bundles: LACP state mismatch, members that will not distribute, BFD over bundle members and MC-LAG with ICCP verificati

admin admin 2026-08-23
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Troubleshoot Interface CRC Errors on IOS XR Routers

Troubleshoot Interface CRC Errors on IOS XR Routers

Troubleshoot interface CRC errors on Cisco IOS XR routers: counter semantics, rate sampling, loopback bisection, optical dBm and FEC checks, automatio

admin admin 2026-08-22
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Troubleshoot Input Drops in Cisco IOS XR

Troubleshoot Input Drops in Cisco IOS XR

Troubleshoot and fix input drops on Cisco IOS XR routers: the root causes, the show commands that verify each one, and how to confirm the fix.

admin admin 2026-08-22
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