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3Com Switch 4500 26-Port User Manual

3Com Switch 4500 26-Port
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236 CHAPTER 12: FILE SYSTEM MANAGEMENT
when there is no complicated interaction between the clients and server. TFTP is
implemented on the basis of UDP.
TFTP transmission is originated from the client end. To download a file, the client
sends a request to the TFTP server and then receives data from it and sends an
acknowledgement to it. To upload a file, the client sends a request to the TFTP
server and then transmits data to it and receives the acknowledgement from it.
TFTP transmits files in two modes: binary mode for program files and ASCII mode
for text files.
Figure 63 TFTP Configuration
Table 256 Configuration of the Switch as TFTP Client
Downloading Files by
means of TFTP
To download a file, the client sends a request to the TFTP server and then receives
data from it and sends acknowledgement to it. You can use the following
commands to download files by means of TFTP.
Perform the following configuration in User View.
Table 257 Download Files by means of TFTP
Uploading Files by
means of TFTP
To upload a file, the client sends a request to the TFTP server and then transmits
data to it and receives the acknowledgement from it. You can use the following
commands to upload files.
Perform the following configuration in User View.
Device Configuration Default Description
Switch Configure IP address for the
VLAN interface of the
Switch, in the same network
segment as that of TFTP
server.
- TFTP is right for the case where no
complicated interactions are required
between the client and server. Make sure
that the IP address of the VLAN interface
on the Switch is in the same network
segment as that of the TFTP server.
Use the tftp command to
log into the remote TFTP
server for file uploading and
downloading.
- -
PC Start TFTP server and set
authorized TFTP directory.
- -
Swi tch
PC
Network
Swi tchSwi tch
PC
Network
Operation Command
Download files by means of TFTP tftp tftp-server get source-file [
dest-file ]

Table of Contents

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3Com Switch 4500 26-Port Specifications

General IconGeneral
Total Ports26
ManageableYes
Jumbo Frame SupportYes
ModelSwitch 4500 26-Port
FeaturesVLAN support, QoS
Compliant StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.3z
Status IndicatorsPort status
Authentication MethodRADIUS
Power SupplyInternal
Dimensions (W x D x H)440 x 260 x 44 mm
Storage Humidity10 - 95% (non-condensing)

Summary

GETTING STARTED

Product Overview

Provides an overview of the Switch 4500 family models and supported services.

Stacking Overview

Introduces the concept of stacking multiple switches into a single logical unit.

Logging In to the Switch

Explains how to establish a connection and log in to the switch for configuration.

Command Line Interface

Details the characteristics and capabilities of the switch's command-line interface.

User Interface Configuration

Describes how to configure user interfaces for managing the switch and its data.

PORT OPERATION

Ethernet Port Configuration

Details the configuration of Ethernet ports, including speed, duplex, and link types.

Link Aggregation Configuration

Explains how to configure link aggregation for increased bandwidth and reliability.

VLAN OPERATION

VLAN Overview

Explains Virtual Local Area Networks (VLANs) and their role in network segmentation.

Configuring a VLAN

Outlines the steps for creating and deleting VLANs.

Voice VLAN Configuration

Details the configuration of Voice VLANs for prioritizing voice traffic.

POWER OVER ETHERNET CONFIGURATION

PoE Overview

Introduces Power over Ethernet (PoE) capabilities of the PWR switches.

PoE Configuration

Covers tasks like enabling/disabling PoE, setting power output, and managing overload.

NETWORK PROTOCOL OPERATION

IP Address Configuration

Explains IP address classification, indications, and configuration methods.

ARP Configuration

Details Address Resolution Protocol (ARP) and its configuration.

DHCP Configuration

Covers Dynamic Host Configuration Protocol (DHCP) for IP address assignment.

Access Management Configuration

Explains how to control user access to network resources.

IP ROUTING PROTOCOL OPERATION

IP Routing Protocol Overview

Introduces IP routing protocols and their function.

Static Routes

Details how to configure static routes for network connectivity.

IP Routing Policy

Explains how to implement policies for filtering routing information.

ACL CONFIGURATION

Brief Introduction to ACL

Introduces Access Control Lists (ACLs) and their role in packet filtering.

QoS Configuration

Details Quality of Service (QoS) features for traffic management.

ACL Control Configuration

Explains how to configure ACLs for controlling user access.

IGMP SNOOPING

IGMP Snooping Overview

Explains IGMP Snooping for multicast group management.

Configuring IGMP Snooping

Covers the configuration steps for enabling IGMP Snooping.

IGMP Snooping Fault Diagnosis and Troubleshooting

Provides troubleshooting steps for IGMP Snooping issues.

STACKING

Introduction to Stacking

Introduces the concept of stacking multiple switches for increased capacity and reliability.

Configuring a Stack

Details configuring VLAN unit IDs, stack name, and authentication.

Stack Configuration Example

Provides a practical example of configuring a switch stack.

RSTP CONFIGURATION

STP Overview

Introduces Spanning Tree Protocol (STP) for loop prevention.

Implement RSTP on the Switch

Explains how to implement Rapid Spanning Tree Protocol (RSTP).

RSTP Configuration

Details RSTP configuration changes based on switch position in the network.

802.1X CONFIGURATION

IEEE 802.1X Overview

Provides an overview of IEEE 802.1X for port-based network access control.

Implementing 802.1X on the Switch

Details how to implement 802.1X on the switch, including extensions.

Configuring 802.1X

Lists the main configuration tasks for 802.1X.

Centralized MAC Address Authentication

Explains MAC address authentication for user access control.

AAA and RADIUS Protocol Configuration

Provides an overview of AAA and RADIUS for network security.

FILE SYSTEM MANAGEMENT

File System Overview

Provides an overview of the flash file system for storage management.

Directory Operation

Covers operations for creating, deleting, and displaying directories.

File Operation

Details operations for managing files, including deletion and renaming.

MAC Address Table Management

Overview

Explains how the switch maintains a MAC address table for packet forwarding.

MAC Address Table Configuration

Covers setting MAC address table entries and aging time.

Displaying MAC Address Table

Describes how to display and debug the MAC address table.

DEVICE MANAGEMENT

Overview

Explains the functions of device management for system state and debugging.

Rebooting the Switch

Details the procedure for rebooting the switch when failures occur.

Upgrading BootROM

Guides on upgrading the BootROM with a remote program.

Displaying and Debugging Device Management

Describes commands to display and debug device management configurations.

SYSTEM MAINTENANCE AND DEBUGGING

Basic System Configuration

Covers basic system settings like hostname, clock, and time zone.

System Debugging

Details enabling and disabling terminal debugging for troubleshooting.

Enable/Disable the Terminal Debugging

Explains how to control terminal debugging output.

SNMP CONFIGURATION

Overview

Introduces Simple Network Management Protocol (SNMP) and its applications.

Configuring SNMP

Covers main SNMP configuration tasks.

Setting Community Name

Details setting SNMP community names and access authorities.

Enabling/Disabling SNMP Agent to Send Trap

Covers enabling/disabling SNMP trap messages.

RMON CONFIGURATION

Overview

Introduces Remote Network Monitoring (RMON) and its standards.

Configuring RMON

Lists RMON configuration tasks like alarm and event table management.

Adding/Deleting an Entry to/from the Alarm Table

Guides on adding/deleting entries in the RMON alarm table.

Adding/Deleting an Entry to/from the Event Table

Covers adding/deleting entries in the RMON event table.

NTP CONFIGURATION

Overview

Introduces Network Time Protocol (NTP) for time synchronization.

NTP Implementation Modes

Explains different NTP modes like client/server, peer, broadcast, and multicast.

Configuring NTP Server Mode

Guides on configuring the switch to operate in NTP server mode.

Configuring NTP Peer Mode

Explains how to configure the switch for NTP peer mode.

Configuring NTP Broadcast Mode

Details configuring the switch for NTP broadcast mode.

Configuring NTP Multicast Mode

Covers configuring the switch for NTP multicast mode.

Configuring NTP Authentication

Explains how to configure NTP authentication on clients and servers.

SSH TERMINAL SERVICES

SSH Terminal Service

Explains the benefits and features of Secure Shell (SSH) for secure remote access.

SSH Server Configuration

Covers tasks related to configuring the SSH server.

SSH Client Configuration

Details the steps to configure an SSH client for establishing connections.

PASSWORD CONTROL CONFIGURATION OPERATIONS

Introduction to Password Control Configuration

Introduces the password control features for managing user passwords.

Configuring Password Aging

Explains how to configure password aging parameters and alerts.

Configuring Login Attempts Limitation and Failure Procession Mode

Covers settings for limiting login attempts and handling failures.

Password Control Configuration Example

Provides an example of password control configuration.

PASSWORD RECOVERY PROCESS

Introduction

Introduces the two password systems and bootrom protection.

Bootrom Passwords

Explains bootrom password configuration and recovery.

Bootrom Password Recovery

Describes the process of recovering lost bootrom passwords.

RADIUS SERVER AND RADIUS CLIENT SETUP

Setting Up a RADIUS Server

Guides on setting up a RADIUS server using third-party applications.

Setting Up the RADIUS Client

Details the setup of RADIUS clients like Windows 2000/XP and Aegis.

AUTHENTICATING THE SWITCH 4500 WITH CISCO SECURE ACS

Cisco Secure ACS (TACACS+) and the 3Com Switch 4500

Explains the integration of Cisco Secure ACS with 3Com Switches.

Setting Up the Cisco Secure ACS (TACACS+) Server

Guides on configuring the Cisco Secure ACS server for authentication.

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