Month: July 2025

[Day#1c PyATS Series] Why pyATS? Why not just stick to Netmiko / NAPALM / Paramiko which are easier?

Many network engineers ask: “Why should I learn pyATS when...

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[Day#1b PyATS Series] Step-by-Step: Install pyATS in PyCharm (Ubuntu)

If you’re exploring Python for Network Engineers, mastering tools like...

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Ticket#10 - NAT Overload Failure: Why Users Couldn't Access the Internet – A Real Fix [CCNP ENTERPRISE]

Ticket#10 – NAT Overload Failure: Why Users Couldn’t Access the Internet – A Real Fix [CCNP ENTERPRISE]

Problem Summary In a mid-sized enterprise, users across VLANs suddenly...

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Ticket#9 - WAN Flap Detection: DMVPN Phase 2 Tunnel Up/Down Issue Fixed [CCNP Enterprise]

Ticket#9 – WAN Flap Detection: DMVPN Phase 2 Tunnel Up/Down Issue Fixed [CCNP Enterprise]

Problem Summary The enterprise monitoring tool detected flapping tunnels between...

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Ticket#8 - VOIP Choppy Audio – DSCP Marking Mismatch Fixed [QoS Real World] [CCNP ENTERPRISE]

Ticket#8 – VOIP Choppy Audio – DSCP Marking Mismatch Fixed [QoS Real World] [CCNP ENTERPRISE]

Problem Summary Users across multiple floors reported choppy VoIP audio...

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Ticket#7 - Multicast Video Freezes in Conference Room – Troubleshoot IGMP and PIM [CCNP ENTERPRISE]

Ticket#7 – Multicast Video Freezes in Conference Room – Troubleshoot IGMP and PIM [CCNP ENTERPRISE]

Problem Summary In a conference room, video multicast stream intermittently...

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Ticket#6 - DHCP Not Working on Access Layer – Troubleshoot Snooping and Relay [CCNP ENTERPRISE]

Ticket#6 – DHCP Not Working on Access Layer – Troubleshoot Snooping and Relay [CCNP ENTERPRISE]

Problem Summary In a mid-sized enterprise campus network, multiple users...

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[DAY#3 PyATS Series] Installing pyATS & Genie (core, NX-OS, IOS-XR plugins) (Ping Tests) using pyATS (Vendor-Agnostic) – Cisco, Arista, Palo Alto, Fortigate [Python for Network Engineer]

[DAY#3 PyATS Series] Installing pyATS & Genie (core, NX-OS, IOS-XR plugins) (Ping Tests) using pyATS (Vendor-Agnostic) – Cisco, Arista, Palo Alto, Fortigate [Python for Network Engineer]

Introduction: Key Concepts You Must Grasp Welcome back to Day...

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[DAY#2 PyATS Series] Setting up Python Virtual Environments for pyATS (Ping Tests) using pyATS (Vendor-Agnostic) – Cisco, Arista, Palo Alto, Fortigate [Python for Network Engineer]

[DAY#2 PyATS Series] Setting up Python Virtual Environments for pyATS (Ping Tests) using pyATS (Vendor-Agnostic) – Cisco, Arista, Palo Alto, Fortigate [Python for Network Engineer]

Introduction on the Key Points Welcome back to Day #2...

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[DAY#6 PyATS Series] Using pyATS CLI Tools: pyats learn, pyats parse – Vendor-Agnostic for Cisco, Arista, Palo Alto, FortiGate [Python for Network Engineer]

[DAY#6 PyATS Series] Using pyATS CLI Tools: pyats learn, pyats parse – Vendor-Agnostic for Cisco, Arista, Palo Alto, FortiGate [Python for Network Engineer]

Introduction: Your First Step into CLI Magic with pyATS Today’s...

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