Juniper Networks offers two primary configuration styles tailored to different types of network environments: Enterprise style and Service Provider style. Both styles use the Junos OS but cater to the distinct operational needs of enterprise IT teams and telecom service providers.
Continue reading “Juniper SP/Enterprise Config”Category: English
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 It helps network administrators troubleshoot issues by removing outdated data and ensuring real-time accuracy in monitoring.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”Basic Linux shell commands
Shell commands provide essential tools for managing files, monitoring system performance, and automating tasks. They enable users to navigate directories, organize data, and handle system resources efficiently. Advanced techniques allow for text processing, data extraction, and modifying system settings with precision. Users can also automate repetitive tasks, schedule operations, and manage system permissions effectively. With the right commands, system maintenance, troubleshooting, and performance optimization become seamless, making the command line a powerful tool for both beginners and advanced users.
Continue reading “Basic Linux shell commands”All relevant MegaCLI options
MegaCLI (MegaRAID Command Line Interface) is a command-line utility used to manage and configure LSI (now Broadcom) MegaRAID controllers in servers and storage systems. It provides powerful options for monitoring, troubleshooting, and maintaining RAID configurations, including creating and deleting virtual drives, checking disk health, rebuilding arrays, and retrieving detailed status reports.
Continue reading “All relevant MegaCLI options”