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3 C O M

X R N

™

I N T E R C O N N E C T K I T D ATA S H E E T

An XRN Distributed Fabric using 3Com Switch 4060s,

the XRN Interconnect Kit, and the 5m Interconnect Cable

Product Overview

The 3Com XRN Interconnect Kit

includes two XRN modules, a 1 meter

cable (an optional 5m cable is also

available), and version 3.0 of the

3Com Gigabit Multilayer Switching

Software.

When installed, it provides a high-

performance 8Gbps connection which

enables configuration and manage-

ment of the Distributed Fabric as

single switching entity. If one switch

in the Fabric fails, management and

Layer 2 and Layer 3 switching are

automatically restored on the remaining

switch.

Advanced Multilayer Switching Functionality

An XRN Phase One Distributed

Fabric retains the functionality of its

component switches. 3Com Gigabit

Multilayer Switching Software v3.0

provides management and multilayer

switching functionality for the XRN

Fabric. VLAN tagging, Multicast

Filtering, Spanning Tree and Rapid

Spanning Tree (802.1w) provide XRN

Fabrics with rich Layer 2 features for

demanding Gigabit backbones.

Distributed Link Aggregation using

IEEE 802.3ad/LACP enables automatic

configuration of aggregated links

across both switches in the Fabric for

greater levels of resiliency and perfor-

mance.

A Distributed Fabric supports Layer 3

switching for IP networks, enabling

unicast IP routing supporting static

routes, RIP and RIPv2, IP Multinetting,

Classless Interdomain Routing (CIDR)

and UDP Helper.

In the unlikely event of a failure in an

XRN interconnect module or cable,

DLA continues to provide an active

path allowing the switches to

communicate, and DRR ensures that

only one of the switches continues to

route—eliminating the possibility of

duplicate routers on the network.

XRN technology can be deployed at

all areas of an enterprise network: at

the core backbone with the 3Com

Switch 4060 and Switch 4050; the

server farm with a SuperStack 3

Switch 4924; in the wiring closet

using the SuperStack 3 Switch 4900

and 4900SX as Gigabit aggregation

switches.

In addition, DDR provides distributed

routing functionality and resiliency

across a fabric. Enhanced Quality of

Service provides multiple priority

queues per port, traffic classification

and prioritization, using multilayer

packet information and queue

scheduling based on WRR. Priority

Remarking, Application Filtering and

Webcache Redirection for enhanced

traffic control across the backbone

may also be available. Greater security

is provided by RADIUS Client for

management access, Application

Filtering for controlling rogue

applications across the backbone

and Routed Access Control Lists.

Using DDM, true plug-and-play

support, single IP address manage-

ment, single step software upgrades,

and fabric-wide configuration via

SNMP , Web interface, and the CLI ease

device management in the Distributed

Fabric. In addition, the Fabric supports

7 groups of RMON and RMON event

notification via an integrated SMTP

client.