Larch Network Packet Broker bridges the gap between todays ultra-high speed networks and existing management, monitoring and security tools.

LN4332Z4-PB is a high port density Packet Broker with 32 QSFP56-DD 400Gpbs ports visibility enabling users to interconnect different network protection and monitoring tools quickly and easily.  

Packaged in a compact single RU chassis the LN-4332Z4-PB offers immediate value for today and an efficient path to the inevitable adds and changes for tomorrow. 

Beyond server ready high speed connectivity for security and monitoring tools, this Packet Broker is also a feature rich traffic manager. Advanced features such as aggregation, filtering, graphical port mapping and load balancing of core network traffic allow users to leverage their tool investment.

Connect, add and change network protection and monitoring tools fast and easy with the uniquely flexible architecture of the LN-4332Z4-PB. 

Every port support QSFP single density modules that would allow 200Gbps QSFP56 or 100Gbps QSFP28, as well as breakout cables with 8×1/10/25/56Gbps or 2x100Gbps connections.

Product Highlights

Management and capabilities

  • 32x400Gbps QSFP56-DD in 1U form factor
  • 256x56Gbps High Speed Serdes MAC in a single PFE Packet Forwarding Engine that support 1/10/25/56 port speed modes
  • Aggregate, Filter and Load Balance core network traffic across existing and future tool portfolio
  • Non-blocking architecture, Line Rate System Throughput 12.8 Tbps
  • Session Aware Load Balancing by IP address, protocol, port, VLAN, MAC address or other parameters.
  • Session Aware Load Balancing by IP address, protocol, port, VLAN, MAC address or other parameters.
  • Maximizes visibility and efficiency for monitoring and security tools
  • Two hot-swappable PSU
    -Six hot-swappable FAN AFI/AFO

High density solution with low power, small footprint way to gain access to network traffic

Unprecedented 1/10/25/40/100G Scale and Bandwidth

Fail-safe technology Will not introduce a failure point to the network

Aggregate traffic from multiple TAP modules to the backplane for aggregation, regeneration or filtering

Collect 100% of network traffic Passes all packets to attached devices even with errors.

Full SNMP Support – Send alerts when network events occur on attached tools

Web GUI Interface Configure and manage the entire system through the easy-to-use web interface


Marvell Chipset Falcon
Maximum Bandwidth 12.8Tbps
FANs 5+1 AFI/AFO in and out option
Airflow in both directions Air flow in; back-to-front
Air flow out; front-to-back
PSU 2x1600W hotswap AFI/AFO
Case 44055844mm
400 GbE QSFP56-DD ports 32
Other Ports Console, 2×10 + 1×1 OOB, USB 2.0

⟵  To All Larch Networks Products