BGP
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BGP Convergence: Timers, BFD, and Reducing Failover Time
Default BGP convergence is slow by design. With a hold time of 180 seconds and keepalive of 60, a failed
BGP
Border Gateway Protocol tutorials covering eBGP, iBGP, path selection, route filtering, communities, and BGP design for enterprise and service provider networks.
Latest
BGP
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Why Is BGP Choosing the Wrong Path? Troubleshooting Best Path
You've set up your BGP policy — local-pref, route maps, communities — and traffic is still going the wrong way.
BGP
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Troubleshooting BGP Route Advertisement Problems
The BGP session is Established and healthy, but routes are missing. Maybe a prefix you're advertising isn'
BGP
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Troubleshooting BGP Neighbor Adjacency Issues
A BGP session that won't reach Established state is the most common BGP issue you'll face.
BGP
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BGP Design for Service Providers: Full Tables, Peering, and Transit
Service provider BGP operates at a scale and complexity that dwarfs enterprise deployments. An SP carries the full internet routing
BGP
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BGP Design for Enterprise Networks: Dual-Homed and Multi-Homed
Enterprise BGP design is about answering a few critical questions: How many ISPs? How many border routers? Full routing table