3Com 3C17706 Scheda tecnica

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• Layer 2/3/4 Gigabit switching ideal

for server aggregation

• Choose from among 12- and 24-

port models with fiber or copper

connectivity

• Combine multiple units using

3Com XRN technology for

resiliency without complexity

3Com

SuperStack

DATA SHEET

Key Benefits

Unbeatable Resilience

The SuperStack 3 Switch 4900 family of

products supports 3Com's XRN

providing outstanding resilience and

reliability, at double the performance of

traditional resilient solutions. With XRN

technology, Layer 2 and Layer 3 networks

can be created with no single point of failure,

but still utilizing the full performance of

the network.

Performance

3Com's custom ASIC architecture delivers

wirespeed, non-blocking Gigabit Ethernet

switching across all ports, minimizing server

farm and network congestion. Further scale

performance using XRN technology, with

two units operating together as a single

management switching entity.

Advanced Network Control

Advanced Layer 2/4 functionality such as

multicast filtering, virtual LANs, and

multilayer traffic classification and

prioritization improve traffic control

across the network. XRN technology

supports two geographically distributed

switches managed as a single Layer 2 /

Layer 3 entity.

Gigabit Ethernet is Ideal for Server Farm Aggregation

The 3Com SuperStack 3 Switch 4900 Family

consists of four high-performance, wire-

speed, Layer 2 / Layer 3 / Layer 4 Gigabit

switches. These enterprise-class devices are

ideal for server farm aggregation in enterprise

environments.

• 3Com SuperStack 3 Switch 4900 comes

with 12 100/1000 copper ports.

• 3Com SuperStack 3 Switch 4900 SX has

12 1000BASE-SX ports.

• 3Com SuperStack 3 Switch 4924 comes

with 24 10/100/1000 copper ports.

• 3Com SuperStack 3 Switch 4950 has 12

10/100/1000 copper ports, six 1000BASE-SX

ports, and six flexible GBIC ports.

3 Switch 4900 Family

Layer 3

Switches support RIP v1/v2, OSPF, CIDR

technology

and UDP helper; the resilient capabilities of

XRN technology allow two units to share

IP interfaces eliminating the need for

complex implementations such as VRRP.

Advanced Security Capabilities

Secure network resources from unauthorized

access with RADIUS client support and

Access Control Lists.

High Availability

Robust features include link aggregation,

support for Rapid Spanning Tree protocol,

an optional Redundant Power Supply system,

and e-mail or pager status notification, all

ensuring maximum uptime for critical

applications.

Powerful Management

Comprehensive support within the 3Com

management application software suite,

including within the standalone package

3Com Network Director and with 3Com

Network Administrator for HP OpenView-

based management.

All these switches optionally support 3Com's

patented XRN technology allowing you to

quickly build a fully redundant aggregation

or network core solution out of a pair of

3Com Gigabit switches—delivering high

resiliency without complexity.

The Gigabit Multilayer Switching (GMS)

Software is the operating software of the

3Com SuperStack 3 Switch 4900 Family.

Now included with all new switches are

advanced features of the GMS Software,

formerly sold separately, features such as

OSPF routing and support for geographically

distributed XRN configurations.