
Feature FLS624
FLS624-STK
FLS648
FLS648-STK
Total Switching Performance 108 Gbps 136 Gbps
Full Duplex Forwarding Performancey 80 Mpps 101 Mpps
10/100/1000 Port Density 20 plus 4-port Combos 44 plus 4-port Combo
100/1000 Mbps SFP Density 4 Combo Ports 4 Combo Ports
10 Gigabit Ethernet 3 2
100 Mbps Optics 100Base-FX and 100Base-BX 100Base-FX and 100Base-BX
Gigabit Ethernet Optics SX, LX, LHA, LHB, 1000Base-BX, and CWDM
10 Gigabit Ethernet Optics CX4, SR, LR, ER, ZR, and ZRD
Power Supply AC (Internal)
Maximum Number of MAC addresses 16,000 16,000
Maximum Number of VLANs 4,096 4,096
Maximum Number of STP 253 253
IGMP Snooping v1, v2 and v3 v1, v2 and v3
PIM-SM Snooping Yes Yes
L3/L4 Extended Access Control List Yes Yes
Stability Features BPDU and Root Guard, Single Link LACP, Port Loop Detection, Port Flap Dampening, Trunk Threshold
Maximum Number of Ports per Trunk 8 8
Maximum Number of Trunk Groups 13 (Standalone)
127 (with IronStack)
25 (Standalone)
127 (with IronStack)
Multi-device Authentication and Dynamic VLAN
Assignment
Yes Yes
802.1X Authentication and Dynamic VLAN
Assignment
Yes Yes
MAC-based VLANs Yes Yes
Metro Features Metro Ring Protocol (version I and II), Virtual Switch Redundancy Protocol, VLAN Stacking (Q-in-Q) and
Topology Groups
SYSTEM SUMMARY
1, 2, 3
1-Switching and forwarding performance specications are provided for a single FastIron LS switch. 2-Port densities are provided for a single FastIron LS switch. 3-MAC address and STP
capacities apply to a single FastIron LS switch and to an IronStack conguration of up to eight units.
POWER AND THERMAL SPECIFICATIONS
Max Current @ 100
VAC (Amps)
Max Current @ 200
VAC (Amps)
Max Total Power
Draw
1
(Watts)
Max Thermal Output
2
(BTU/Hr)
Energy Efciency
(Watts/Gbps FDX)
FastIron LS624 0.63 0.36 63 214.3 1.16
FastIron LS648 1.16 0.66 114 388.3 1.67
FastIron LS624-STK 0.70 0.38 70 237.9 1.29
FastIron LS648-STK 1.2 0.68 118 401.2 1.72
1-Total power drawn from the source and consumed by the switch. 2-Thermal output of the switch.
WARRANTY
5-year Limited Lifetime Hardware Warranty
Brocade warrants that, excluding the power supply, fan, removable optics and LED, the
product hardware will be free from defects in material and workmanship that result in a
material deviation from the applicable published Brocade technical specications.
90-days Limited Software Warranty
Brocade warrants that software, when used in accordance with the terms of the Brocade
license, will operate substantially as set forth in the applicable Brocade Documentation
following delivery of the software to licensee.
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