ES-2048 User’s Guide

•Port-based VLAN

•IEEE 802.1Q VLAN

•802.1x Authentication

•Limit dynamic port MAC address learning

•Static MAC address filtering

Bandwidth Control

•The ES-2048 supports rate limiting in 64 Kbps increments allowing you to create different service plans.

•The ES-2048 supports IGMP snooping enabling group multicast traffic to be only forwarded to ports that are members of that group; thus allowing you to significantly reduce multicast traffic passing through your switch.

•Broadcast storm control

Quality of Service

•Eight queues so you can ensure mission-critical data gets delivered on time.

•Follows the IEEE 802.1p priority setting standard based on source/destination MAC addresses.

1.3Hardware Features

This section describes the hardware features of the ES-2048.

Power

The ES-2048 requires 100~240VAC/1.5A power.

48 10/100 Mbps Fast Ethernet Ports

Connect up to 48 computers or switches to the 10/100Mbps auto-negotiating, automatic cable sensing (auto-MDIX) Ethernet RJ-45 ports. All Ethernet ports support:

•IEEE 802.3/3u/3z/3ab standards

•Back pressure flow control in half duplex mode

•IEEE 802.3x flow control in full duplex mode

Two Gigabit Ethernet Ports for Uplink Modules

The gigabit ports allow the ES-2048 to connect to another WAN switch or daisy-chain to other switches.

32

Chapter 1 Getting to Know Your Switch