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3Com

Switch 4200G Gigabit Family

SPECIFICATIONS

All information in this section is

relevant to all members of the 3Com

Switch 4200G 10/100/1000 family,

unless otherwise stated.

CONNECTORS

2-port

8 auto-negotiating 10BASE-T/

100BASE-TX/1000BASE-T ports

configured as auto MDI/MDIX

4 dual-personality Gigabit port pairs,

configurable as 1000BASE-T or SFP

1 rear slot for direct 10-Gigabit

XENPAK transceiver or for 10-Gigabit

module (XFP)

4-port

20 auto-negotiating 10BASE-T/

100BASE-TX/1000BASE-T ports

configured as auto MDI/MDIX

4 dual-personality Gigabit port pairs,

configurable as 1000BASE-T or SFP

2 rear slots for direct 10-Gigabit

XENPAK transceiver or for 10-Gigabit

module (XFP)

48-port

44 auto-negotiating 10BASE-T/

100BASE-TX/1000BASE-T ports

configured as auto MDI/MDIX

4 dual-personality Gigabit port pairs,

configurable as 1000BASE-T or SFP

2 rear slots for direct 10-Gigabit

XENPAK transceiver or for 10-Gigabit

module (XFP)

PERFORMANCE

12-port

44 Gbps switching capacity

(maximum), 32.7 Mpps forwarding

rate (maximum)

24-port

88 Gbps switching capacity

(maximum), 65.5 Mpps forwarding

rate (maximum)

48-port

136 Gbps switching capacity,

(maxim

um), 101.2 Mpps f

orw

ding

rate (maximum)

All models

espeed perf

ormance acr

oss ports in

full mesh configuration

Store-and-forward switching;

latency <10 µs

LAYER 2 SWITCHING

8,196 MAC addresses in address table

1,024 static M

C addresses (in addition

to def

ault ad

ess)

256 P

ort-based

VLANs (IEEE 802.1Q)

IEEE 802.3ad Link Aggregation

Control Protocol (LACP); automated

and manual aggregation

Per-switch trunk groups:

• 6 groups (12-port)

• 13 groups (24-port)

• 25 groups (50-port)

Auto-negotiation of port speed and

duplex IEEE 802.3x full-duplex flow

control

Back pressure flow control for half

duplex

IEEE 802.1D Spanning Tree Protocol

(STP)

IEEE 802.1w Rapid Spanning Tree

Protocol (RSTP)

Bridge Protocol Data Unit (BPDU)

protection

Internet Group Management Protocol

(IGMP) snooping on Layer 2 interfaces

Filtering for 128 multicast groups

LAYER 3 SWITCHING

Hardware based routing

32 static routes

ONVERGENCE

Eight hardware queues per port

Weighted Round Robin queuing

Strict Priority queuing

IEEE 802.1p Class of Service/Quality

of Service (CoS/QoS) on egress

Traffic shaping with port-based egress

rate limiting

Application and protocol blocking

Auto VLAN assignment for voice

traffic determined by vendor OUI

SECURITY

IEEE 802.1X Network login user

authentication:

• EAP over LAN (EAPoL) transport

with EAP-MD5, PAP, CHAP, PEAP

and EAP-TLS authentication

• Multiple users per port

• 1024 max online users

Local and RADIUS server authentication

RADIUS session accounting

Automatic VLAN assignment via

RADIUS server

Wirespeed packet filtering in hardware

ACLs filter at Layers 2, 3 and 4:

• Source/destination MAC address

• Ethernet type

• Source/destination IP address

• Source/destination TCP port

• Source/destination UDP port

RADIUS Authenticated Device

Access (RADA): authenticate devices

based on MAC address against

RADIUS server and assign VLAN

ID and A

ort-based M

C ad

ess Disconnect

Unknown Device (DUD)

IEEE 802.1X user authentication of

switch management on switch Telnet

and console sessions; four access

privilege levels

Hierarchical management and password

otection f

or mana

ent

interf

ace

SNMP v3 encryption

SSH v2

Denial of Service protection

CLUSTERED STACKING

Single IP address and management

interfaces for centralized control

Compatibility with 5500 and 5500G

clustering

Up to 16 devices per cluster, or 768

Gigabit front panel ports

MANAGEMENT

CLI via console or Telnet

Embedded web management interface

System configuration with SNMP v1,

2c and 3

Comprehensive statistics, including

ACL/QoS and IP interface

Remote Monitoring (RMON) groups

statistics, history, alarm and events

Many-to-1 port mirroring

Detailed alarm and debug information

Supports ping, remote ping and

traceroute

Configuration file for backup and

restore; multiple configuration files

available

DHCP Relay and UDP Helper

System file transfer mechanisms:

Xmodem, FTP, Trivial FTP (TFTP),

Secure FTP (SFTP)

3Com management applications:

• 3Com Enterprise Management Suite

for flexible, extensible management

in advanced enterprise IT environ-

ments

• 3Com Network Director for

comprehensive, turn-key network

management for the enterprise

• 3Com Network Supervisor for basic,

turn-key network management for

mid-market businesses

• 3Com Network Access Manager for

IEEE 802.1X and RADA integration

with IAS/Active Directory

• 3Com Switch Manager for virtual

clustering su

pport across 3Com

switch families

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