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Ansible Cisco Network Automation 101: Playbook Examples

Ansible Cisco Network Automation 101: Playbook Examples

Ansible Cisco network automation 101: ansible.cfg, inventory and group_vars, ios_command and ios_config playbooks, plus backups and rollback.

admin admin 2026-09-01
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Cisco vs Juniper: Troubleshooting Commands Cheat Sheet

Cisco vs Juniper: Troubleshooting Commands Cheat Sheet

Cisco IOS vs Juniper Junos troubleshooting commands side by side: interfaces, routing and forwarding tables, BGP, IS-IS, output filters and TAC eviden

admin admin 2026-09-01
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Cisco IOS XR CLI Basics: Command Modes and Show Commands

Cisco IOS XR CLI Basics: Command Modes and Show Commands

Cisco IOS XR CLI fundamentals: EXEC and admin modes, commit and rollback, interface and show commands, SDRs, plus a worked configuration example.

admin admin 2026-09-01
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Cisco Catalyst 9300: StackWise vs VSS vs StackWise Virtual

Cisco Catalyst 9300: StackWise vs VSS vs StackWise Virtual

StackWise vs VSS vs StackWise Virtual on Cisco Catalyst 9300: architecture, requirements, config, failover and design choices.

admin admin 2026-09-01
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BGP Route Dampening: Penalty, Suppress and Reuse

BGP Route Dampening: Penalty, Suppress and Reuse

BGP route dampening configuration compared across Cisco IOS, IOS-XR, NX-OS, Junos and Huawei VRP, with verification commands and production tuning adv

admin admin 2026-09-01
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Cisco ASR9000 Fabric Troubleshooting: Show Commands

Cisco ASR9000 Fabric Troubleshooting: Show Commands

ASR9000 fabric troubleshooting: read PFM alarms, NPU and FIA counters and crossbar stats to find where a packet stops moving on the IOS XR data path.

admin admin 2026-09-01
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Cisco Catalyst Port Security: Sticky MAC and Violation Modes

Cisco Catalyst Port Security: Sticky MAC and Violation Modes

Hands-on Cisco Catalyst port security with sticky MAC: step-by-step config, aging, plus how to read show port-security output and troubleshoot violati

admin admin 2026-08-31
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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 StackWise vs VSS vs StackWise Virtual: Full Comparison

Cisco StackWise vs VSS vs StackWise Virtual: Full Comparison

StackWise vs VSS vs StackWise Virtual: member limits, cable types, platform support (9300 cannot run SVL), failover, ISSU upgrades and how to choose o

admin admin 2026-08-31
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Cisco ASR 9000 Line Card Bring-Up: Verify and Troubleshoot

Cisco ASR 9000 Line Card Bring-Up: Verify and Troubleshoot

Bring up a new ASR 9000 line card: enable interfaces in IOS XR, verify optics and FPDs, and read show platform states when a card will not reach IOS X

admin admin 2026-08-31
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