3com SuperStack® 3 Switch 4250T 48-Port 3C17302-ME ユーザーズマニュアル

製品コード

3C17302-ME

Features

3 C O M

S U P E R S TA C K

3 S W I T C H 4 2 0 0 FA M I LY

PERFORMANCE

Switching Capacity:

SuperStack 3 Switch 4226T 8.8Gbps

SuperStack 3 Switch 4228G 12.8Gbps

SuperStack 3 Switch 4250T 13.6Gbps

Forwarding rate:

SuperStack 3 Switch 4226T 6.6Mpps

SuperStack 3 Switch 4228G 9.5Mpps

SuperStack 3 Switch 4250T 10.1Mpps

Store and forward switching:

Latency 2.7 microseconds

LAYER 2 SWITCHING

MAC Addresses

8K MAC addresses

VLAN

60 VLANs (IEEE 802.1Q)

Link Aggregation

Manual and LACP Link Aggregation (IEEE 802.3ad). Gigabit ports only

Auto Negotiation

Auto-negotiation of port speed, duplex, and connection (MDI/MDIX)

Traffic Control

IEEE 802.3x full-duplex flow control

Back pressure flow control for half-duplex

Supports Broadcast Storm Suppression

Spanning Tree

IEEE 802.1D Spanning Tree Protocol (STP)

IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)

Backward-compatible with STP

Fast-start mode

Multicast Snooping

Filtering for 128 multicast groups

Internet Group Management Protocol (IGMP) v1 and v2

CONVERGENCE

Priority Queues

Two hardware queues per port

Weighted Round Robin queuing

Traffic Prioritization

Priority based on:

• IEEE 802.1p Class of Service (CoS) VLAN priority

• DiffServ Code Point (DSCP)

• Default port priority

• Auto classification of 3Com NBX

telephony traffic

RESILIENCY

Support for 3Com Advanced Redundant Power Supply; provides backup power to the switch

MANAGEMENT

Device Management

Local management of switch passwords

Web-based management

Command line interface (CLI)

Serial (9-pin D-type connector)

Telnet

SNMP v1

3Com Management Applications

• 3Com Network Supervisor for basic, turn-key network management for small and

medium businesses

• 3Com Network Director for comprehensive, turn-key network management for the enterprise

• 3Com Enterprise Management Suite for flexible, extensible management in advanced

enterprise IT environments

Software

TFTP agent: upload

RMON

Four Groups: Statistics, History, Alarms, Events

IP Address allocation

DHCP

BOOTP

Manual

Auto IP