How a Bloated IPv6 Neighbor Cache Silently Killed Our Network
A real world troubleshooting story where network slowness was traced to an overflowing IPv6 neighbor cache on a distribution switch
Prajwal Ravi
Hi there! 👋 I’m Prajwal Bhadravathi Ravi, working for Cisco Systems as a Senior Network SRE. I architect and automate Cisco IT’s enterprise network infrastructure. Working alongside top-notch engineers and architects has been an incredible journey, and I share what I learn here.Recent Articles
Network Topology as Code: How YAML and Git Replaced Our Spreadsheets
How defining network topology as structured YAML data unlocked automation for address planning, patch plans, and made Git the single source of truth for our infrastructure.
Enterprise Wi-Fi the Meraki Way: A Practical Design Guide
A practical walkthrough of designing and deploying Meraki cloud-managed Wi-Fi across an enterprise campus, covering RF profiles, VLAN segmentation, WPA3, ISE integration, and the tradeoffs that shape every decision.