Career
BGP Route Flap: The Cost of Stability in Scalable Networks
I explore BGP route flap issues, their impact on network stability, and how I've managed such incidents in my own operations, drawing from my experiences.
#routing
12 posts found.
Tutorials
BGP Route Flap Anatomy: Why It Happens, How to Fix It?
Understand the root causes of BGP route flap issues, diagnose them, and ensure your network's stability with effective solutions.
Tutorials
BGP Route Flap Damping: A Solution or a New Problem?
Deep dive into the BGP route flap damping mechanism. Explore its actual benefits, potential drawbacks, and real-world implications in network engineering.
Technology
Hidden Route Conflicts in Multi-Cloud Networks and How to Solve Them
Explore the network complexity of multi-cloud environments, the causes and impact of hidden route conflicts, and strategies for preventing these problems.
Technology
Routing Nightmares in a Multi-Cloud Network Mesh: Managing the…
Routing pain in Multi-Cloud Network Mesh setups, the complexity behind it, and how to climb out of these nightmares with practical solutions and…
Technology
Protecting Router & Switch Control Plane with CoPP/CPP…
A CoPP/CPP model that classifies and polices routing, management, and ICMP traffic on the router/switch control plane to reduce CPU exhaustion and adjacency…
Technology
OSPF/IS-IS Authentication: Block Rogue Neighbors in the Routing Domain
Reducing the risk of rogue neighbors and route injection in the routing domain through OSPF/IS-IS authentication, key rotation, and control-plane hardening.
Technology
Route Analytics with BGP BMP: Visibility and Incident Triage
Bring route leak, flap, and blackhole events down to minutes by combining BMP telemetry, route analytics, and an alarm model in a practical approach.
Technology
Trust Boundary at the SD-WAN Edge: Egress Policy, DNS, and Logging
Preserving the trust boundary across DIA / DC / cloud egress in SD-WAN: traffic classification, DNS strategy, split-tunnel, and a centralized log model.
Tutorials
A Pre-Validation Pipeline for Network Changes with Batfish
A practical Batfish flow that validates routing/ACL changes before they reach production via 'snapshot + question set,' catching human error early.
Technology
Reducing Outage Impact in Planned Maintenance with BGP Graceful…
Graceful restart logic, risks, verification steps, and a rollback standard for doing BGP maintenance without 'dropping routes'.
Tutorials
Policy-Based Routing and Backup Link Design with Netplan
Set up a policy-based routing layout on Linux servers with Netplan that separates primary and secondary uplinks based on source network.