LM-5400 Server Load Balancer – Providing enhanced SSL performance, the LM-5400 is optimized for Enterprise environments and high transaction e-commerce infrastructures and features:

  • 8 X GbE and 2x10GbE (SFP+) ports
  • 10.2 Gbps L4 balancer throughput
  • SSL TPS (2K Keys): 7,000
  • SSL TPS (1K Keys): 9,300
  • L4 Concurrent Connections: 25,600,000
  • Servers Supported: 1,000 Physical / 1,000 Virtual Servers

LM-5400 End Of Sale date - July 15, 2015, Alternative SKU: LM-5600

Featuring support for up to 7,000 SSL transactions per second (TPS) with 2048 bit RSA keys, standard integrated Global Server Load Balancing (GSLB) and 10.2 Gbps of throughput, the LoadMaster™ 5400 is optimized for Enterprise environments and high-transaction e-commerce infrastructures. Rock solid performance allows for predictable delivery of critical workflow applications and customer facing web services.

The LoadMaster™ 5400 is an essential component to include for high availability of critical line of business applications, customer facing web services and corporate intranets in large Enterprise deployments.


  • Server Load Balancing (SLB) for TCP/UDP based protocols
  • SSL Acceleration/Offload in ASIC
  • Layer 7 Content Switching
  • Advanced, App-Transparent Caching Engine for HTTP/HTTPS protocols
  • Optimized Compression for Static and Dynamic HTTP/HTTPS Content
  • Layer 7 Intrusion Prevention System (IPS), SNORT-Rule Compatible
  • Up to 1000 Virtual and 1000 Real Servers
  • IPv6 support for addressing and features
  • IPv6 - IPv4 bidirectional conversion
  • NAT-based forwarding
  • Support for Direct Server Return (DSR) configurations
  • Support for MS Terminal Services with Session Reconnection Built-in
  • Configurable S-NAT support
  • VLAN Trunking (802.1Q)
  • Link Interface Bonding (Modes supported: 802.3ad, Link Failover)   
  • Kemp Web Application Firewall Pack (AFP) Engine


  • ASIC-enabled, SSL Acceleration w/ support for 2048bit RSA keys
  • Support for EV (Extended Validation) Certificates
  • PCI-DSS ready SSL Implementation
  • Support for up to 1000 SSL Certificates
  • Support for Third Party Certificates
  • Automated SSL Certificate Chaining
  • SSL Certificate Signing Request (CSR) Generation
  • STARTTLS offload for mail protocols (POP3, SMTP, etc)
  • FIPS 140-2 Level 1 capable

Health Checking & High Availabilty

  • ICMP health checking of server farm machines
  • Layer 7 checking for DNS, FTP, HTTP, IMAP, NNTP, POP3, SMTP, TELNET, RDP (WTS)
  • Automatic reconfiguration for defective real server machines
  • Active/Hot Standby configurations for High Availability
  • Stateful Failover


  • Fully configurable using Web User Interface (WUI)
  • Secure, SSH and HTTPS (WUI) remote access for administration
  • Easy start and maintenance using wizards
  • WUI-based Help Assistant
  • Virtual Service Configurations can be edited and tuned on-the-fly
  • Real time performance and availability displays
  • Preconfigured Applications templates
  • Console port for local administration
  • Remote syslogd support
  • Selective restore of LoadMaster and Virtual Service data
  • Support for Connection Draining
  • Download software updates for LoadMaster firmware
  • WUI Log Reporting with Tabbed Browser Support
  • SNMP support for event traps & performance metrics
  • Diagnostic shell with in-line tcpdump
  • RESTful API

Scheduling and Balancing Methods

  • Round Robin
  • Weighted Round Robin
  • Least Connection
  • Weighted Least Connection
  • Agent-based Adaptive
  • Chained Failover (Fixed Weighting)
  • Source-IP Hash
  • Layer 7 Content Switching

Sticky (Persistence) Connection Options

  • Source IP (L4)
  • SSL SessionID (L4)
  • HTTP/HTTPS Browser-session (L7)
  • HTTP/HTTPS WebClient-session (L7)
  • RDP Login ID (L7)
  • Port Following for mixed HTTP/HTTPS sessions

Security Functionality

  • Layer 7 Intrusion Prevention System (IPS), SNORT-Rule Compatible
  • Global & per VS Black List and White list (Access Control List)
  • IP address filtering
  • Firewall filtering (everything forbidden except VS’s)
  • DDOS mitigation, including L7 rate based attacks


* Specifications are subject to change without prior notice



  • Servers Supported: 1,000 Physical /1,000 Virtual
  • Max Balancer L4 Throughput Up To 10.2Gbps
  • Max Balancer L7 Throughput Up To 10Gbps
  • 25,600,000 L4 concurrent connections
  • 110,000 L7 (http) requests per second
  • 400,000 L7 concurrent connections
  • 7,000 SSL TPS (2K Keys)
  • 9,300 SSL TPS (1K Keys)

Hardware Specs

  • Intel Quad Core Processor
  • 8 X GbE Auto-negotiating, Full Duplex Eth. Ports
  • 2 X 10GbE (SFP+) Ports
  • Solid State Drive (SSD)
  • 8 GB RAM
  • Local admin via console/VGA and USB
  • Dimensions: 427 x 458 x 44 mm. Weight ~ 28.66bs (13kg)
  • Dual 200W power supplies
  • Certifications: CE/FCC Class A, UL Listed, RoHS Compliant, VCCI
  • Total Power Consumption (W): 185
  • Input Voltage: 100-240 VAC; 47-63Hz; 3~1.5 A
  • Total BTU Heat Output: 629
  • Storage Temperature: -4 to 167°F (-20 to 75°C)
  • Operating Temperature: 32 to 104°F (0 to 40°C)
  • Operating Relative Humidity: 10%~90% non-condensing