Bei Juniper QFX, brauche ich manchmal no-arp-suppression im VLAN, weil das Kundenequipment nicht richtig ARP macht oder akzeptiert. Das kommt bei Juniper QFX-EVPN/VXLAN Umgebungen öfter vor als ich am Anfange gedacht habe. Das no-arp-suppression im VLAN/BD ist meistens ein Workaround für Geräte, die mit EVPN Distributed ARP nicht sauber umgehen.
Continue reading “Juniper EVPN/VXLAN ARP”Tag: vxlan
Juniper EVPN/VXLAN mesh or ring
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”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 It helps network administrators troubleshoot issues by removing outdated data and ensuring real-time accuracy in monitoring.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”