Physical fabric failure or Layer 2 switch blocking control packets. show chassis cluster interfaces
The physical unit is a standard 1U rack-mountable switch designed for high-density environments. juniper ren 2 link
The term "RE2" is a specific model of the Routing Engine, predominantly found in Juniper's legacy M-series routers (such as the M5, M10, M20, M40, and M160). It marked a significant step forward in processing power for its time. Key specifications of the RE2 include: Physical fabric failure or Layer 2 switch blocking
For environments utilizing legacy hardware or security-hardened firewalls (like the Juniper SRX Series), a Virtual Private LAN Service (VPLS) tunnel is frequently deployed. juniper ren 2 link