1. Product Overview
The JNP10003‑LC2103 is a high‑density, modular Layer‑2/Layer‑3 Ethernet switch line card designed for data‑center spine/leaf and service‑provider aggregation. When installed in a JNP10003‑series chassis, it delivers terabit‑scale switching, carrier‑grade resiliency, and advanced telemetry.
Key capabilities:
4.8 Tbps switching capacity per line card
48 × 100GbE QSFP28 ports (or 24 × 400GbE via breakout)
MACsec, EVPN‑VXLAN, MPLS, Segment Routing
Redundant control‑plane integration with chassis fabric
2. Hardware Specifications
Port Configuration
48 × QSFP28 (100GbE)
Breakout support:
4×25G
2×50G
4×100G (for 400G QSFP‑DD cages if supported by chassis)
Auto‑negotiation and FEC support (RS‑FEC, FC‑FEC)
Performance
Switching capacity: 4.8 Tbps full‑duplex
Forwarding rate: ~3.6 Bpps
MAC table: ~1M entries
IPv4 routes: ~2M
IPv6 routes: ~1M
ECMP: up to 256‑way
Packet Buffers
On‑board packet buffer: 32 GB shared
Intelligent buffer management with dynamic allocation
Latency
Cut‑through: ~450 ns
Store‑and‑forward: ~1.2 µs
3. Switching & Routing Features
Layer‑2
802.1Q VLANs (4K)
LACP, MLAG (chassis‑based)
STP/RSTP/MSTP
EVPN‑VXLAN bridging
Layer‑3
OSPFv2/v3, IS‑IS, BGP
Static routing
VRRP, BFD
EVPN‑VXLAN routing
MPLS (LDP, RSVP‑TE, SR‑MPLS)
Data‑Center Features
EVPN‑VXLAN Type 2/5
PFC, ECN, DCB
Telemetry: sFlow, streaming gRPC sensors
4. Security
MACsec (IEEE 802.1AE) on all 100G ports
Control‑plane protection (CoPP)
ACLs: L2–L4, 4K entries per direction
DHCP snooping, IP source guard, dynamic ARP inspection
5. System Integration
Compatible chassis: JNP10003 series
Fabric bandwidth per slot: ≥4.8 Tbps
Hot‑swappable
Managed via chassis RE (Routing Engine)
6. Environmental
Operating temperature: 0°C to 40°C
Storage: –40°C to 70°C
Humidity: 5%–90% non‑condensing
7. Power
Typical consumption: 420 W
Max consumption: 520 W
Power supplied via chassis mid‑plane
8. Mechanical
Form factor: Single‑slot line card
Dimensions: Chassis‑standard (approx. 1U height × full‑depth)
Weight: