BGP
Routing policy and resilience
Filtering, local preference, communities, RPKI, blackholing and migration planning.
Start with the BGP guide →Practical network engineering
Knowledge built from live networks.
Straightforward guidance for MSPs, ISPs and technical teams responsible for infrastructure that cannot afford weak routing policy, unclear failover or risky change.
Featured guide
How poor BGP design costs businesses thousands every year
A practical review of the routing-policy mistakes that create avoidable outages, inefficient traffic paths and expensive emergency work.
Read the guideBGPPolicy before prefixes.Week 1 technical guide
Video
Five BGP mistakes I still see after 20 years
The companion video plan for the first technical content release.
View the video library →Coming next
IPv6 migration without breaking production
A practical deployment sequence covering addressing, routing, security, monitoring and customer rollout.
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