3Com 3CRUS2475 User Manual

www.3Com.com
Part No. 10015245 Rev. AA
Published October 2006
3Com
®
Unified Gigabit Wireless
PoE Switch 24
User Guide
3CRUS2475

3Com 3CRUS2475 Specifications

General

Brand	3Com
Model	3CRUS2475
Category	Switch
Language	English

Summary

About This Guide

User Guide Overview

Overview of the Embedded Interface User Guide sections and content.

Intended Audience

Specifies the target audience for the user guide, including IT concepts and terminology.

1 Configuring the Wizard

Step 1 — Viewing Factory Defaults

Displays a summary of factory default settings for system, IP, and wireless configuration.

Step 2 — Configuring System Settings

Configures general device information like system name, location, and contact details.

Step 3 — Configuring IP Settings

Configures IP interface parameters, including IP address, subnet mask, and gateway.

Step 4 — Defining Wireless Settings

Configures wireless settings such as SSID name, security type, and VLAN ID.

Step 5 — Saving Configured Settings

Displays manually configured settings and allows saving them to the device.

2 Getting Started

Starting the 3Com Embedded Web Interface

Instructions on how to access the switch's web interface using a browser.

Understanding the 3Com Embedded Web Interface

Explains the components and views of the web interface, including Tab and Tree views.

3 Viewing Basic Settings

Device Summary Section

Provides an overview of device summary information, including viewing device, wired, and wireless settings.

Viewing Device Settings

Displays general device information such as product description, system name, and hardware versions.

Viewing Wired Settings

Displays port LED indicators, port status, and basic port settings for wired connections.

Viewing Wireless Settings

Displays information about configured access points, including IP address, MAC address, and radio configuration.

3 Managing Device Security

Configuring Management Security

Configures security for ports, device management methods, users, and server security.

Configuring Network Security

Configures port-based authentication, port security, storm control, and EAP statistics.

Configuring Password Management

Defines users, passwords, and access levels for users via the Password Management Interface.

Defining RADIUS Authentication

Configures RADIUS servers for centralized authentication of web access and network security.

Port-based Authentication

Authenticates users on a per-port basis via an external server using EAP.

Advanced Port-based Authentication

Enables multiple hosts per port and user-based authentication for advanced security.

Defining Multiple Hosts

Configures advanced port-based authentication settings for specific ports and VLANs.

Managing Port Security

Increases network security by limiting port access to specific MAC addresses.

Enabling Storm Control

Limits multicast, broadcast, and unknown unicast frames to control network storms.

Configuring EAP Statistics

Displays information about EAP packets received on a specific port for troubleshooting.

Defining ACLs

Source Port IP Address and Wildcard Mask

Filters packets based on the source IP address and wildcard mask.

Destination Port IP Address and Wildcard Mask

Filters packets based on the destination IP address and wildcard mask.

ACE Priority

Filters packets based on the Access Control Entry (ACE) priority.

Protocol

Filters packets based on the IP protocol type.

DSCP

Filters packets based on the Differentiated Services Code Point (DSCP) value.

IP Precendence

Filters packets based on the IP Precedence value.

Action

Defines the action for matching packets, such as forward or drop.

Viewing MAC-based ACLs

Configuring ACLs

Defining MAC-based ACL Rules

Removing MAC-based ACLs

Defining IP-based ACLs

ACL Name

Contains a list of IP-based Access Control Lists (ACLs).

Priority

Indicates the ACE priority for matching packets on a first-match basis.

Protocol

Creates an ACE based on a specific network protocol.

Configuring IP-based Rules

Removing IP-based ACLs

Binding ACLs

4 Managing System Information

Viewing System Description

Displays general device information such as product description, system name, and hardware versions.

Defining System Settings

Configures advanced system settings such as country codes, system name, and time.

Configuring Country Codes

Defines the country code for WLAN settings, specifying power and frequency regulations.

Configuring System Name

Sets the user-defined device name, location, and contact person for system identification.

Configuring System Time

Configures system time parameters, including local and SNTP clocks, and Daylight Savings Time.

5 Configuring Wired Ports

Viewing Port Settings

Displays specific port settings, including port type, speed, duplex mode, and auto-negotiation.

Defining Port Settings

Configures port parameters, including admin status, speed, duplex mode, and advertisement settings.

Configuring Address Tables

Manages MAC addresses in static and dynamic address tables for packet forwarding.

Viewing Static Addresses

Displays the current static MAC addresses list with their applied interface and status.

Defining Static Addresses

Adds and removes static MAC addresses, defining their interface, VLAN, and status.

Removing Static Addresses

Removes specific static MAC address entries from the device configuration.

Viewing Dynamic Addresses

Queries and views information in the dynamic MAC address table, including aging time.

6 Aggregating Ports

Configuring LACP

Configures Link Aggregation Control Protocol (LACP) settings for ports and LAGs.

Defining Link Aggregation

Configures Link Aggregation (LAG) parameters, optimizing port usage by grouping ports.

Defining LAG Membership

Defines which ports are assigned to or removed from Link Aggregation Groups (LAGs).

7 Configuring VLANs

Defining VLAN Properties

Provides information and global parameters on configured VLANs, including VLAN ID, name, and type.

Defining VLAN Membership

Maps VLAN parameters to ports and assigns VLAN membership by toggling port control settings.

Defining VLAN Interface Settings

Manages ports that are part of a VLAN, configuring port default VLAN ID (PVID) and ingress filtering.

Defining GVRP

Configures GARP VLAN Registration Protocol (GVRP) for automatic distribution of VLAN membership information.

Defining Voice VLAN

Enhances VoIP service by configuring access ports for IP voice traffic on specific VLANs.

8 Defining WLAN

Defining Wireless Access Points

Configures and views general WLAN parameters for access points, including IP and MAC addresses.

Defining Wireless Security

Configures Extended Service Sets (ESS) for organizing access points, security, and VLANs.

Defining Wireless Rogue Handling

Configures detection and handling of rogue access points by scanning wireless channels.

Defining Wireless Radio Settings

Defines WLAN radio settings for transmitting WLAN communications, covering 802.11b/g and 802.11a.

Defining 802.11b/g Radio Settings

Configures radio settings for 802.11b/g, including RTS threshold, beacon interval, and power level.

Configuring Radio 802.11a Settings

Configures radio settings for 802.11a, including DFS status, beacon interval, and power level.

Managing VAPs

Manages Virtual Access Points (VAPs) based on 802.11a, 802.11b, and 802.11g standards.

Viewing WLAN Profiles

Allows viewing profiles and rules for accessing the device, including security type and MAC filtering.

Defining WLAN Profiles

Defines profiles and rules for accessing the device, specifying QoS mode and security suite.

Modifying WLAN Profiles

Modifies WLAN profiles, including renaming SSIDs, load balancing, and QoS modes.

Viewing WLAN Stations

Displays information about stations associated with access points, including MAC and IP addresses.

Removing WLAN Stations

Removes WLAN stations associated with access points from the device management.

Defining WLAN Power Settings

Configures WLAN radio power settings, enabling automatic adjustment of target signal strength.

9 Configuring IP Information

Defining IP Addressing

Assigns IP addresses to interfaces, ensuring they belong to the same IP address subnet.

Configuring ARP

Converts IP addresses to physical MAC addresses and maps them for host communication.

Defining ARP Interface Settings

Defines ARP parameters for specific interfaces, including IP address, MAC address, and aging out time.

Removing ARP Entries

Removes specific ARP entries from the ARP table, clearing dynamic or static entries.

Configuring Address Tables

Manages MAC addresses in static and dynamic address tables for efficient packet forwarding.

Defining Static Addresses

Adds and removes static MAC addresses, defining their interface, VLAN, and status.

Viewing Dynamic Addresses

Queries and views information in the dynamic MAC address table, including aging time.

10 Configuring Mulitcast Forwarding

Defining IGMP Snooping

Examines IGMP frame contents to identify multicast group members and routers.

Defining Multicast Groups

Displays ports and LAGs attached to multicast service groups and allows creation of new groups.

Enabling Multicast Filtering

Enables bridge multicast filtering on the device to manage multicast traffic forwarding.

Defining Multicast Groups (Port Setup)

Configures port setup for multicast groups, defining interface status as static or forbidden.

Defining Router Groups

Defines multicast groups for network managers to manage multicast traffic.

11 Configuring Spanning Tree

Configuring Classic Spanning Tree

Configures Classic Spanning Tree (STP) settings, including global and bridge parameters.

Defining Rapid Spanning Tree

Detects and uses network topologies for faster STP convergence without forwarding loops.

Defining Multiple Spanning Tree

Provides load balancing scenarios and defines global MSTP settings including region names and revisions.

Defining Multiple STP Instance Settings

Maps VLANs into STP instances and defines MSTP instance settings.

Defining MSTP Port Settings

Defines MSTP port settings, including instance ID, port state, type, role, and path cost.

12 Configuring Quality of Service

Quality of Service Overview

Explains Quality of Service (QoS) for implementing priority queuing and improving traffic flow.

Defining QoS Basic Mode

Defines basic QoS settings, including trust settings and DSCP rewrite configurations.

Configuring Trust Settings

Enables trust on configured interfaces by defining packet classification and mapping rules.

Configure DSCP Rewrite

Assigns new DSCP values to incoming packets to manage traffic priority and forwarding.

Defining QoS General Mode

Configures general QoS mode, including CoS services, queues, and bandwidth settings.

Defining Queues

Defines QoS queue forwarding types, specifying strict priority or WRR weights.

Defining Bandwidth Settings

Defines bandwidth settings for egress interfaces, configuring queue shaping and rate limiting.

DSCP to Queue

Maps DSCP settings to traffic queues, assigning DSCP priority values to specific queues.

Configuring DSCP Queue Mappings

Maps DSCP settings to traffic queues by defining queue numbers for DSCP values.

Configuring QoS Mapping

Maps CoS and DSCP values to traffic queues, defining class maps for QoS policies.

Defining CoS to Queue

Maps CoS values to traffic queues, specifying CoS priority tag values and forwarding queues.

13 Managing System Logs

Viewing Logs

Displays all system logs in chronological order, showing log time, severity, and message text.

Configuring Logging

Defines which events are recorded to logs, enabling local and syslog logging with severity levels.

14 Managing System Files

Backing Up and Restoring System Files

Manages firmware and configuration files, enabling download and backup of system files.

Downloading the Software Image

Retrieves device software or boot code via TFTP or HTTP, specifying source and destination files.

Activating Image Files

Selects and resets image files, choosing which image file is active after device reset.

15 Viewing Statistics

Viewing RMON Statistics

Displays information about device utilization and errors using RMON statistics.

Configuring RMON History

Configures RMON history, including sampling intervals and the number of samples to keep.

Modifying RMON History Entries

Modifies RMON history entries, adjusting sampling intervals and the number of samples.

Removing RMON History Entries

Deletes RMON history entries and control settings from the device.

Configuring RMON Events

Defines RMON events, specifying event entry, community, description, and type (log or trap).

Configuring RMON Event Control

Configures RMON event control, defining event types, thresholds, and owners.

Removing RMON Events

Removes RMON events and control settings from the device.

Viewing RMON Events

Displays RMON events log entries, showing event, log number, time, and description.

Defining RMON Alarms

Sets network alarms based on detected problems or events, using rising and falling thresholds.

Defining RMON Alarm Setups

Configures RMON alarms, specifying interface, counter, thresholds, and event reporting mechanisms.

Modifying Alarm Settings

Modifies existing RMON alarms, adjusting thresholds, events, and intervals.

Removing RMON Alarms

Deletes RMON alarms and their configurations from the device.

A WLAN Country Settings

Country Code

Specifies country codes for WLAN configuration, detailing power and frequency regulations.

B Device Specifications and Features

Related Standards

Lists design standards for the switch, including IEEE, UL, CSA, and EN standards.

Environmental

Details environmental specifications such as operating temperature, storage temperature, and humidity.

Physical

Provides physical dimensions of the device, including width, length, height, weight, and mounting options.

Electrical

Lists electrical specifications, including power inlet, AC line frequency, input voltage, and power consumption.

Unified Switch 24 Features

Describes key features of the switch, such as Auto Negotiation, IGMP Snooping, and LACP.

C Troubleshooting

Problem Management

Provides information on isolating, quantifying, and resolving problems encountered with the device.

Troubleshooting Solutions

Lists common troubleshooting issues, possible causes, and solutions for device problems.