Learn Datacenter Networking on Your Laptop — Part 3: iPerf3, Fiber, and Juniper — Testing Like a Pro
Series: Learn Datacenter Networking on Your Laptop Part 1: GNS3 Foundation & Linux Networking Primer — Bridges, taps, host networking setup, your first lab Part 2: VLANs, Bonding, and Network Segregation — VLANs, NIC bonding, LACP, bridge isolation Part 3 ← You are here — iPerf3, fiber troubleshooting, Juniper switch diagnostics, throughput testing I spent last weekend debugging a link between two Juniper switches that was running at 2Gbps on a 10G interface. The fiber was plugged in, the lights were blinking, and both switches happily reported “Link is up.” Everything looked fine. Except it wasn’t. ...