Next-Hop.dev

Category: Cisco

  • Cisco

Building a Lightweight Network Lab with Netlab and Containerlab on Ubuntu 24.04

Build a lightweight network lab on Ubuntu using netlab, containerlab, Docker, and Cisco IOL for fast, repeatable topology deployment and testing.

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13 min read
  • Cisco

Chasing an Intermittent MTU Black Hole Across a VXLAN Overlay

A long debugging session reduced to the three commands and one packet capture that finally pointed at the real culprit.

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7 min read