NETWORKS. PEOPLE. CONNECTIONS.

Justin Wilson / j2sw

Helping networks connect.
Sharing what I learn along the way.

ISP consulting, BGP routing, RPKI, IRR, and peering.
Practical experience from the field, written for the people doing the work.

ISP consultant & authorAS399332 N2JSW

BY JUSTIN WILSON

Kid's First Visit to an Internet Exchange

How networks meet and share Internet traffic. An introduction to Internet exchanges for curious young readers.

My writing, projects, and places to connect.

Notes from the network edge.
Routing, MikroTik, wireless, and more.

Practical tools for network operators.

Check a prefix's global BGP visibility, origin ASN, RPKI validity, and IRR route objects. Compare what RIPE RIS collectors see.

Build documented BGP community values for common networks, with vendor configuration examples to help apply them.

Calculate payload and transport MTU, account for encapsulation overhead, and generate device-specific path MTU test commands.

From routing policy to real connections.

Network design, routing policy, and troubleshooting.

Route validation and better routing hygiene.

Interconnection strategy and Internet exchanges.

Watch, read, support.

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