Juniper SIB2-I-PTX5K Switch Interface Board for PTX5000

Product Description

The Juniper SIB2-I-PTX5K-S is a switch fabric module designed for deployment in Juniper PTX5000 series core routers. It provides high-capacity interconnectivity between line cards within the chassis, enabling scalable IP/MPLS core networking. This module is intended for enterprise and service provider environments requiring reliable, high-density switching infrastructure.

Technical Specifications

• MPN: SIB2-I-PTX5K-S
• Brand: Juniper
• Type: Switch fabric module for core router
• Platform: Juniper PTX5000 series
• Chipset: Juniper Express silicon
• Operating System: Junos OS or Junos Evolved
• Function: Provides switching fabric connectivity between line cards in PTX5000 chassis

Design Features

• Supports high-density 100G/400G switching for core network applications
• Enables segment routing implementation within the fabric
• Designed for redundant deployment with paired modules for fault tolerance
• Hot-swappable installation into dedicated switch fabric slots on PTX5000 chassis
• Optimized for Junos OS and Junos Evolved software environments

Application Area

Deployed in PTX5000 core routers within enterprise data centers and service provider backbone networks across Poland and the CEE region, this module supports IP/MPLS core build-outs and high-throughput 100G/400G aggregation. It is suitable for operators implementing segment routing and requiring scalable, resilient fabric architectures. Verify chassis model and software version compatibility before deployment.