

Juniper MX10003-LC2103 Modular Port Concentrator Line Card
The MX10003-LC2103 is a modular line card for Juniper MX10003 routers, offering high-density 10 GbE and 40 GbE ports with full L2/L3 capabilities. Ideal for service providers and enterprise core networks.
- Description
Description
The Juniper MX10003-LC2103 is a high-performance modular line card designed for the MX10003 Universal Routing Platform. It provides flexible, high-density Ethernet and packet forwarding capabilities, enabling service providers and large enterprises to scale network capacity efficiently.
Capabilities:
This line card supports multiple 10 GbE and 40 GbE interfaces, delivering line-rate throughput with low latency. It supports full Layer 2 and Layer 3 forwarding, QoS, and hardware-based traffic acceleration. The LC2103 integrates seamlessly with Junos OS for advanced routing, MPLS, and VPN capabilities.
Use Cases / Deployment:
Ideal for high-capacity service provider networks, data centers, and enterprise core networks, the MX10003-LC2103 enables dense aggregation of high-speed interfaces, efficient WAN uplinks, and core routing.
Integration:
Designed to integrate with the MX10003 router chassis, it works with Juniper’s routing software ecosystem, including Junos OS, and is compatible with other MX10000 platform line cards. It supports centralized management through Juniper’s network management solutions.
Key Features:
- High-density 10 GbE and 40 GbE interfaces – supports large-scale network aggregation
- Line-rate forwarding with low latency – optimized for core and edge networks
- Full L2/L3 support – rich switching and routing features
- QoS and traffic management – supports advanced service provider features
- Junos OS integration – full compatibility with Juniper routing software
- Modular design – easy expansion within MX10003 chassis













