EVPN/VXLAN with Juniper QFX switches provides a scalable and efficient network solution. EVPN uses BGP to share MAC and IP info, while VXLAN enables Layer 2 connectivity over Layer 3. Juniper QFX switches, like the QFX5120 and QFX5220, support VXLAN in hardware for high performance and smooth multi-tenancy. This setup improves flexibility, simplifies management, and supports data center interconnects.
Continue reading “Juniper EVPN/VXLAN mesh or ring”Category: [EN] Juniper Networks
Quick fixes for Juniper problems
In Junos, the clear command is a useful tool for resetting, refreshing, or clearing various system states, statistics, and counters. It helps network administrators troubleshoot issues by removing outdated data and ensuring real-time accuracy in monitoring. This command is essential for maintaining optimal network performance, allowing for quick recovery from anomalies and ensuring that devices operate with the most up-to-date information. By using it effectively, administrators can streamline diagnostics, enhance visibility, and improve overall system reliability.
Continue reading “Quick fixes for Juniper problems”Juniper small config snippets
Juniper makes really nice network hardware. I’ve collected some configuration snippets here that are often useful. I use them in my daily work.
Continue reading “Juniper small config snippets”Pimping old Juniper hardware
If you want a decent JunOS on a SRX with some speed, like 10Gbit/s, then you need much money or some upgraded old hardware stuff.
Continue reading “Pimping old Juniper hardware”Juniper JunOS fwdd commands
Those commands can show you the status of fwdd:
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