Levelone GTL-2690 User Manual download pdf (Page 36)

100

101

Introduction

1-2

Description of Software Features

The switch provides a wide range of advanced performance enhancing features.

Flow control eliminates the loss of packets due to bottlenecks caused by port

saturation. Broadcast storm suppression prevents broadcast traffic storms from

engulfing the network. Untagged (port-based), tagged, and protocol-based VLANs,

plus support for automatic GVRP VLAN registration provide traffic security and

efficient use of network bandwidth. CoS priority queueing ensures the minimum

delay for moving real-time multimedia data across the network. While multicast

filtering provides support for real-time network applications. Some of the

management features are briefly described below.

Configuration Backup and Restore – You can save the current configuration

settings to a file on a TFTP server, and later download this file to restore the switch

configuration settings.

Authentication – This switch authenticates management access via the console

port, Telnet or web browser. User names and passwords can be configured locally or

can be verified via a remote authentication server (i.e., RADIUS or TACACS+).

Port-based authentication is also supported via the IEEE 802.1X protocol. This

protocol uses Extensible Authentication Protocol over LANs (EAPOL) to request

user credentials from the 802.1X client, and then uses the EAP between the switch

and the authentication server to verify the client’s right to access the network via an

authentication server (i.e., RADIUS server).

Other authentication options include HTTPS for secure management access via the

web, SSH for secure management access over a Telnet-equivalent connection,

SNMP Version 3, IP address filtering for SNMP/web/Telnet management access,

and MAC address filtering for port access.

Spanning Tree

Algorithm

Supports standard STP, Rapid Spanning Tree Protocol (RSTP), and Multiple

Spanning Trees (MSTP)

Virtual LANs Up to 256 using IEEE 802.1Q, port-based, protocol-based, or private VLANs

Traffic Prioritization Default port priority, traffic class map, queue scheduling, IP Precedence, or

Differentiated Services Code Point (DSCP), and TCP/UDP Port

Qualify of Service Supports Differentiated Services (DiffServ)

Router Redundancy Router backup is provided with the Virtual Router Redundancy Protocol (VRRP)

IP Routing Routing Information Protocol (RIP), Open Shortest Path First (OSPF), static routes

ARP Static and dynamic address configuration, proxy ARP

Multicast Filtering Supports IGMP snooping and query

Table 1-1 Key Features (Continued)

Feature Description

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 788 789

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Levelone GTL-2690 User Manual Page 36

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