Brocade FastIron LS

Stackable 10GbE Access SwitchesBrocade FastIron LS

The Brocade FastIron LS access switches are available in 24-port and 48-port models, and are field upgradable to 10GbE. Designed to conserve data center floor space, the Brocade FastIron LS features a 1U form factor and a shallow 13" depth to support cabinets and racks that cannot support larger systems.

The FastIron LS are stackable, and include a fixed power supply, in addition to additional 1U module that can provide access to up to 4 more FastIron LS switches.

Other features include:

  • 20-port 10/100/1000 Mbps plus 4 combo RJ45/SFP Gigabit Ethernet ports, with an option for up to 2 x 10 Gigabit Ethernet ports
  • 44-port 10/100/1000 Mbps plus 4 combo RJ45/SFP Gigabit Ethernet ports, with an option for up to 2 x 10 Gigabit Ethernet ports
  • 16,000 MAC table size
  • up to 4096 VLANs


  • scale up to 8 units in a single stack
  • up to 40 Gbps of stacking bandwidth per unit
  • stacking on 10GbE CX4 and 10GbE XFP ports
  • chassis-like operations, such as static trunking, LCAP, mirroring, switching, static routing, sFlow, & multicast snooping across stack-members

Layer 3

  • Layer 3 software supports static routes, routing between directly-connected subnets, VRRp, ECMP, RIPv1/v2, & virtual interfaces
  • optional Edge Layer 3 Premium upgrade to provide dynamic Layer 3 routing ia OSPF v2 and RIP v1/v2
  • up to 1000 IPv4 routes

Advanced Security

  • IronShield 360 security — system-wide, automated closed-loop threat detection & mitigation
  • Multilevel access security for console access
  • secure, web-based management
  • Secure Shell & SNMPv3, SHv2m, and SCP for secure remote management access and encryption
  • TACACS/TACACS+ & RADIUS operator authentication
  • MAC filters, Layer 3/Layer 4 ACLs, binding ACL to TELNET
  • IEEE 802.1x authentication, including for multiple devices and dynamic VLAN, ACL, and MAC filter assignment
  • private VLANs

Quality of Service

  • Classification, reclassification, policing & marking traffic prior to delivery
  • Flexible queue servicing with WRR (Weighted Round Robin), SP (Strict Priority), or combined WRR/SP
  • 8 hardware queues
  • Ingress rate limiting — standard & extended ACL control, per VLAN, per port
  • Egress rate shaping per port
  • LLDP/LLDP-MED standards
  • ACLs configured on a per-port, per-VLAN basiss
  • Support for up to 256 wire-speed ingress traffic policers

Brocade FastIron LS Specifications

Model LS624, LS624-STK LS648, LS648-STK
Switching Performance 108 Gbps 136 Gbps
Full Duplex Forwarding 80 Mpps 101 Mpps
10/100/1000 Port Density 24 plus 4-port Combos 44 plus 4-port Combo
10 Gigabit Ethernet 3 2
  • up to 16,000 MAC addresses
  • SX, SX2, LX, LHA, LHB, 1000Base BXD/BXU and CDWM Gigabit Ethernet optics
  • SR, LR, ER, ZP, 1310-MM & ZRD 10 Gigabit Ethernet optics
  • MAC-based VLANs
  • 802.1x Authentication and Dynamic VLAN assignment
  • Multi-device authentication and Dynamic VLAN assignment
  • up to 8 ports per Trunk

North American Systems has been providing IT solutions, sevices and hardware for over 15 years.

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