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Distributed, Flow-Based Architecture

In order to ensure granular visibility and manage trafﬁc without sacriﬁcing performance, the Enterasys S-Series implements our CoreFlow2 distributed,

ﬂow-based architecture. This architecture ensures that when a speciﬁc communications ﬂow is being established between two end points, the ﬁrst

packets in that communication are processed through the multilayer classiﬁcation engines in the switch I/O modules and I/O fabric modules. In

this process, the role is identiﬁed, the applicable policies are determined, the packets are inspected, and the action is determined. After the ﬂow is

identiﬁed, all subsequent packets associated with that ﬂow are automatically handled in the CoreFlow2 ASICs without any further processing. In this

way the Enterasys S-Series is able to apply a very granular level of control to each ﬂow at full line rate.

Page 3

I/O Module Speciﬁcation

S130 Class

Fabric Modules

S180 Class I/O Fabric Modules

Wiring Closet,

Distribution Layer,

Small Network

Core

Distribution Layer, Server Aggregation,

Data Center Core, Enterprise

Part Number

ST4106-0348-F6 ST8206-0848-F8 SG8201-0848-F8 SK8008-1224-F8 SK8009-1224-F8 SL8013-1206-F8

Used in

S1A/S4/S6/S8

Chassis

S1A/S4/S6/S8

Chassis

S1A/S4/S6/S8

Chassis

S1A/S4/S6/S8

Chassis

S1A/S4/S6/S8

Chassis

S1A/S4/S6/S8

Chassis

Port Type RJ45 RJ45 SFP SFP+ 10GBase-T QSFP+

Port Quantity 48 48 48 24 24 6

Port Speed

10/100/1000

Mbps

10/100/1000

Mbps

1000 Mbps 10 Gbps 10 Gbps 40 Gbps

PoE Support 802.3af, 802.3at 802.3af, 802.3at

Option Module Slots 1, (Type 2) 2, (Type 2) 2, (Type 2)

Module I/O

Throughput

45 Mpps 120 Mpps 120 Mpps 240 Mpps 240 Mpps 240 Mpps

I/O Switching

Capacity

60 Gbps 160 Gbps 160 Gbps 320 Gbps 320 Gbps 320 Gbps

Fabric Throughput

(Each)

480 Mpps 960 Mpps 960 Mpps 960 Mpps 960 Mpps 960 Mpps

Fabric Throughput

(Load

Sharing Pair)

960 Mpps 1920 Mpps 1920 Mpps 1920 Mpps 1920 Mpps 1920 Mpps

System Summary

Enterasys S-Series I/O modules are high performance, fully-featured

switch routers that deliver a fully distributed switching system as well

as management and route processing capabilities, where each module

is individually driven and managed by on-board processors. Enterasys

CoreFlow2 ASICs, together with ﬁrmware microprocessors, create a

trafﬁc control solution that delivers high performance and ﬂexibility.

This distributed ASIC-based architecture increases processing power as

modules are added for a higher level of scalability and ﬂexibility.

I/O fabrics and I/O modules are available with a wide array of interface

types and port densities (10/100/1000BASE-TX, 1000BASE SFP,

10GBASE SFP+, 10GBASE-T and 40GBASE QSFP+) to address

varied network requirements. All triple speed copper I/O modules are

PoE-enabled. A number of I/O modules also include either one or two

option-module slots; an option-module slot provides additional media and

port speed connectivity via triple speed copper, Gigabit SFP, 10 Gigabit

SFP+ or a combination of gigabit and SFP+ Ethernet ports. This further

simpliﬁes network design and reduces the cost of network deployments.

All S-Series I/O Fabrics and I/O Modules include deep packet buffers per

port to avoid dropped packets in the event of network congestion.

All S-Series 10 Gigabit Ethernet SFP+ ports are dual speed and will

also accept standard Gigabit SFP transceivers. This capability enables a

smooth migration path from Gigabit Ethernet for connecting devices to 10

Gigabit Ethernet in the future. Customers can use Gigabit Ethernet optical

uplinks today and migrate to 10 Gigabit at their own pace. In addition,

all Gigabit SFP ports will accept Fast Ethernet 100BASE-FX/TX SFPs to

enable connection of legacy devices.

S180 Class I/O and I/O Fabric Modules

The S180 class is designed to support the most demanding

areas of the network where sustained high volumes of trafﬁc

are most common. Both 10 Gigabit and 40 Gigabit Ethernet

modules incorporate advanced trafﬁc management mechanisms

and large packet buffers to ensure optimal network performance,

predictability and reliability. The S180 Class is optimized for 10Gb

and 40Gb Ethernet aggregation and the rigorous requirements of

enterprise network core and data center. These modules support

the full range of Enterasys OneFabric, CoreFlow2 features and

advanced switching and routing without the need for additional

licensing. The S180 class includes support for Virtual Switch

Bonding via dedicated VSB SFP+ ports, which simpliﬁes network

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