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Switch 4500 26-Port
3Com Switch 4500 26-Port User Manual
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Setting Up the RADIUS Client
385
d
Click
OK
to finish the configuration.
e
Restart the client either by rebooting,
or stopping and re-starting the service.
f
Click the
OK
button, then retur
n to the Aegis Client main interface. T
o restart
the client, press the button with the r
ed-cross. If authentication is successful,
the icon will tur
n green.
386
388
Table of Contents
Default Chapter
1
Default Chapter
1
Configuration Guide
1
Table of Contents
3
About this Guide
13
How this Guide Is Organized
13
Intended Readership
13
Conventions
14
Related Documentation
15
1 Getting Started
17
Product Overview
17
Stacking Overview
18
Brief Introduction
18
Typical Networking Topology
18
Product Features
18
Logging in to the Switch
19
Setting up Configuration Environment through the Console Port
19
Setting up Configuration Environment through Telnet
21
Setting up Configuration Environment through a Dial-Up Modem
23
Command Line Interface
26
Command Line View
26
Features and Functions of Command Line
30
User Interface Configuration
32
User Interface Overview
32
User Interface Configuration
33
Displaying and Debugging User Interface
39
2 Port
41
Ethernet Port Configuration
41
Ethernet Port Overview
41
Displaying and Debugging Ethernet Port
47
Ethernet Port Configuration Example
48
Ethernet Port Troubleshooting
49
Link Aggregation Configuration
49
Overview
49
Link Aggregation Configuration
53
Displaying and Debugging Link Aggregation
56
Link Aggregation Configuration Example
56
3 Vlan Operation
59
VLAN Configuration
59
VLAN Overview
59
Configuring a VLAN
59
Displaying and Debugging VLAN
61
VLAN Configuration Example One
61
VLAN Configuration Example Two
62
Voice VLAN Configuration
63
Introduction to Voice VLAN
63
Displaying and Debugging of Voice VLAN
66
Voice VLAN Configuration Example
66
Configuring Voice VLAN with a PC Downstream from Phone
67
Key Details for Proper Setup
67
Step by Step Description
68
Voice VLAN in Auto Mode
69
Voice VLAN in Manual Mode
73
4 Power over Ethernet Configuration
75
Poe Overview
75
Poe Configuration
76
Enabling/Disabling the Poe Feature on a Port
76
Setting the Maximum Power Output on a Port
77
Setting Power Supply Management Mode in Overload and Port Priority
77
Setting the Poe Mode on a Port
78
Enabling/Disabling PD Compatibility Detect
78
Upgrading the PSE Processing Software Online
79
Displaying Poe Information
79
Configuration Example
79
5 Network Protocol Operation
81
IP Address Configuration
81
IP Address Overview
81
Configuring IP Address
83
Displaying and Debugging IP Address
84
IP Address Configuration Example
85
Troubleshooting IP Address Configuration
85
ARP Configuration
85
Introduction to ARP
85
Configuring ARP
86
Displaying and Debugging ARP
88
DHCP Configuration
88
Overview of DHCP
88
DHCP Client Configuration
91
DHCP Relay Configuration
91
Displaying and Debugging DHCP Configuration
92
DHCP Relay Configuration Example One
92
DHCP Relay Configuration Example Two
93
Troubleshooting DHCP Relay Configuration
94
Access Management Configuration
95
Access Management Overview
95
Configuring Access Management
95
Displaying and Debugging Access Management
97
Access Management Configuration Example
97
Access Management Via the Web
98
UDP Helper Configuration
98
Overview of UDP Helper
98
UDP Helper Configuration
99
Displaying and Debugging UDP Helper Configuration
100
UDP Helper Configuration Example
100
IP Performance Configuration
101
Displaying and Debugging IP Performance
102
Troubleshooting IP Performance
102
6 Ip Routing Protocol Operation
105
IP Routing Protocol Overview
105
Selecting Routes through the Routing Table
106
Routing Management Policy
107
Static Routes
108
Configuring Static Routes
109
Example: Typical Static Route Configuration
111
Troubleshooting Static Routes
112
Rip
112
Configuring RIP
113
Displaying and Debugging RIP
121
Example: Typical RIP Configuration
122
Troubleshooting RIP
123
IP Routing Policy
123
Configuring an IP Routing Policy
124
Displaying and Debugging the Routing Policy
127
Typical IP Routing Policy Configuration Example
127
Configuration Procedure
128
Troubleshooting Routing Protocols
129
7 Acl Configuration
131
Brief Introduction to ACL
131
ACL Supported by the Switch
132
Configuring ACL
132
Defining ACL
132
Activating ACL
135
Displaying and Debugging ACL
135
Advanced ACL Configuration Example
136
Basic ACL Configuration Example
137
Link ACL Configuration Example
137
Qos Configuration
138
Qos Configuration
140
Setting Port Priority
140
Configuring Trust Packet Priority
140
Setting Port Mirroring
141
Configuring Traffic Mirroring
141
Setting Traffic Limit
143
Setting Line Limit
143
Configuring WRED Operation
143
Displaying and Debugging Qos Configuration
144
Qos Configuration Example
144
Port Mirroring Configuration Example
145
ACL Control Configuration
146
TELNET/SSH User ACL Configuration
146
ACL Control over Users Accessing Switches by SNMP
150
Configuring ACL Control for HTTP Users
152
8 Igmp Snooping
155
IGMP Snooping Overview
155
Configuring IGMP Snooping
158
Enabling/Disabling IGMP Snooping
158
Configuring Router Port Aging Time
159
Configuring Maximum Response Time
159
Configuring Aging Time of Multicast Group Member
159
Displaying and Debugging IGMP Snooping
160
Configuration Example - Enable IGMP Snooping
160
IGMP Snooping Fault Diagnosis and Troubleshooting
161
9 Stacking
163
Introduction to Stacking
163
Configuring a Stack
163
Specifying the Stacking VLAN of the Switch
164
Setting Unit Ids for Switches
164
Saving the Unit ID of each Unit in the Stack
165
Specifying the Fabric Port of the Switch
165
Setting Unit Names for Switches
165
Setting a Stack Name for Switches
165
Setting an XRN Authentication Mode for Switches
166
Displaying and Debugging a Stack
166
Stack Configuration Example
167
10 Rstp Configuration
169
STP Overview
169
Implement STP
169
Configuration BPDU Forwarding Mechanism in STP
173
Implement RSTP on the Switch
174
RSTP Configuration
175
Enable/Disable RSTP on a Switch
178
Enable/Disable RSTP on a Port
179
Configure RSTP Operating Mode
179
Configure the STP-Ignore Attribute of Vlans on a Switch
179
Set Priority of a Specified Bridge
180
Specify the Switch as Primary or Secondary Root Bridge
180
Set Forward Delay of a Specified Bridge
181
Set Hello Time of the Specified Bridge
182
Set Max Age of the Specified Bridge
182
Set Timeout Factor of the Bridge
182
Specifying the Maximum Transmission Rate of STP Packets on a Port
183
Set Specified Port to be an Edgeport
183
Specifying the Path Cost on a Port
184
Set the Priority of a Specified Port
185
Configure a Specified Port to be Connected to Point-To-Point Link
185
Set Mcheck of the Specified Port
186
Configure the Switch Security Function
186
Display and Debug RSTP
187
RSTP Configuration Example
188
11 Configuration
191
IEEE 802.1X Overview
191
System Architecture
191
Authentication Process
192
Implementing 802.1X on the Switch
193
Configuring 802.1X
193
Enabling/Disabling 802.1X
193
Setting the Port Access Control Mode
194
Setting the Port Access Control Method
194
Checking the Users that Log on the Switch Via Proxy
195
Setting the User Number on a Port
195
Setting the Authentication in DHCP Environment
195
Configuring the Authentication Method for 802.1X User
196
Setting the Maximum Times of Authentication Request Message Retransmission
196
Configuring Timers
196
Enabling/Disabling a Quiet-Period Timer
197
Displaying and Debugging 802.1X
198
Auto Qos
198
Configuration Example
198
Centralized MAC Address Authentication
200
Centralized MAC Address Authentication Configuration
201
Enabling MAC Address Authentication both Globally and on the Port
201
Configuring Centralized MAC Address Authentication Mode
201
Configuring the User Name and Password for Fixed Mode
202
Configuring Domain Name Used by the MAC Address Authentication User
202
Configuring Centralized MAC Address Authentication Timers
202
Displaying and Debugging Centralized MAC Address Authentication
203
Auto VLAN
203
Configuration Example of Centralized MAC Address Authentication
203
AAA and RADIUS Protocol Configuration
204
RADIUS Protocol Overview
204
Implementing AAA/RADIUS on the Ethernet Switch
205
Configuring AAA
205
Creating/Deleting an ISP Domain
206
Configuring Relevant Attributes of the ISP Domain
206
Enabling/Disabling the Messenger Alert
208
Configuring Self-Service Server URL
209
Creating a Local User
209
Setting Attributes of the Local User
209
Disconnecting a User by Force
211
Configuring the RADIUS Protocol
211
Creating/Deleting a RADIUS Scheme
212
Configuring RADIUS Authentication/Authorization Servers
212
Configuring RADIUS Accounting Servers and the Related Attributes
213
Setting the RADIUS Packet Encryption Key
215
Setting Retransmission Times of RADIUS Request Packet
216
Setting the Supported Type of the RADIUS Server
216
Setting the RADIUS Server State
216
Setting the Username Format Transmitted to the RADIUS Server
217
Setting the Unit of Data Flow that Transmitted to the RADIUS Server
217
Configuring the Local RADIUS Authentication Server
218
Configuring Source Address for RADIUS Packets Sent by NAS
218
Setting the Timers of the RADIUS Server
218
Displaying and Debugging AAA and RADIUS Protocol
220
AAA and RADIUS Protocol Configuration Example
221
Configuring the Switch 4500
222
AAA and RADIUS Protocol Fault Diagnosis and Troubleshooting
226
Problem Diagnosis
227
3Com-User-Access-Level
227
12 File System
229
File System Overview
229
Directory Operation
229
File Operation
229
Storage Device Operation
230
Setting the Prompt Mode of the File System
230
Configuring File Management
231
Displaying the Current-Configuration and Saved-Configuration of the Switch
231
Saving the Current-Configuration
232
Erasing Configuration Files from Flash Memory
232
Configuring the Name of the Configuration File Used for the Next Startup
232
FTP Overview
233
Enabling/Disabling FTP Server
234
Configuring the FTP Server Authentication and Authorization
234
Configuring the Running Parameters of FTP Server
234
Displaying and Debugging FTP Server
235
Introduction to FTP Client
235
FTP Server Configuration Example
237
TFTP Overview
237
Downloading Files by Means of TFTP
238
Uploading Files by Means of TFTP
238
TFTP Client Configuration Example
239
13 MAC Address Table Management
241
Overview
241
MAC Address Table Configuration
242
Setting MAC Address Table Entries
242
Setting MAC Address Aging Time
242
Setting the Max Count of MAC Addresses Learned by a Port
243
Displaying MAC Address Table
243
MAC Address Table Management Display Example
244
Networking Requirements
244
MAC Address Table Management Configuration Example
245
14 Device Management
246
Overview
246
Device Management Configuration
246
Rebooting the Switch
246
Enabling the Timing Reboot Function
246
Designating the APP Adopted When Booting the Switch Next Time
246
Upgrading Bootrom
247
Displaying and Debugging Device Management
247
Device Management Configuration Example
247
15 System
251
Aintenance and Debugging
251
Basic System Configuration
251
Setting the System Name for the Switch
251
Setting the System Clock
251
Setting the Time Zone
251
Setting the Summer Time
251
Displaying the State and Information of the System
252
System Debugging
252
Enable/Disable the Terminal Debugging
252
Display Diagnostic Information
254
Testing Tools for Network Connection
254
Ping
254
Introduction to Remote-Ping
256
Remote-Ping Configuration
257
Introduction to Remote-Ping Configuration
257
Configuring Remote-Ping
257
Configuration Example
258
Logging Function
259
Introduction to Info-Center
259
Info-Center Configuration
262
Sending the Information to Loghost
265
Sending the Information to Control Terminal
266
Sending the Information to Telnet Terminal or Dumb Terminal
268
Sending the Information to the Log Buffer
270
Sending the Information to the Trap Buffer
272
Sending the Information to SNMP Network Management
273
Configuration Examples of Sending Logs to Unix Loghost
275
Configuration Examples of Sending Log to Linux Loghost
277
Configuration Examples of Sending Log to Control Terminal
278
16 Snmp Configuration
281
Overview
281
SNMP Versions and Supported MIB
281
Configuring SNMP
282
Setting Community Name
283
Enabling/Disabling SNMP Agent to Send Trap
283
Setting the Destination Address of Trap
284
Setting Lifetime of Trap Message
284
Setting SNMP System Information
284
Setting the Engine ID of a Local or Remote Device
284
Setting/Deleting an SNMP Group
285
Setting the Source Address of Trap
285
Adding/Deleting a User To/From an SNMP Group
285
Creating/Updating View Information or Deleting a View
286
Setting the Size of SNMP Packet Sent/Received by an Agent
286
Enabling/Disabling a Port Transmitting Trap Information SNMP Agent
286
Disabling SNMP Agent
286
Displaying and Debugging SNMP
286
SNMP Configuration Example
287
Reading Usmusr Table Configuration Example
289
17 Rmon C
291
Overview
291
Configuring RMON
291
Adding/Deleting an Entry To/From the Alarm Table
292
Adding/Deleting an Entry To/From the Event Table
292
Adding/Deleting an Entry To/From the History Control Terminal
292
Adding/Deleting an Entry To/From the Extended RMON Alarm Table
293
Adding/Deleting an Entry To/From the Statistics Table
293
Displaying and Debugging RMON
293
RMON Configuration Example
294
18 Ntp Configuration
295
Overview
295
Applications of NTP
295
Implementation Principle of NTP
296
NTP Implementation Modes
297
Configuring NTP Implementation Modes
299
Configuration Prerequisites
299
Configuration Procedure
299
Configuring Access Control Right
301
Configuring NTP Authentication
301
Configuration Prerequisites
301
Configuration Procedure
302
Configuring Optional NTP Parameters
303
Displaying and Debugging NTP
304
Configuration Examples
304
Configuring NTP Server Mode
304
Configuring NTP Peer Mode
305
Configuring NTP Broadcast Mode
307
Network Diagram
307
Configuring NTP Multicast Mode
308
Configuring NTP Server Mode with Authentication
310
19 Ssh Terminal Services
313
SSH Terminal Service
313
SSH Server Configuration
316
SSH Client Configuration
320
Configuring the Device as an SSH Client
328
Displaying and Debugging SSH
329
SSH Server Configuration Example
330
SSH Client Configuration Example
331
Encryption Algorithm
332
SFTP Service
333
SFTP Overview
333
SFTP Server Configuration
333
SFTP Client Configuration
334
SFTP Configuration Example
337
20 Password Control Configuration Operations
341
Introduction to Password Control Configuration
341
Password Control Configuration
343
Configuration Prerequisites
343
Configuration Tasks
343
Configuring Password Aging
344
Configuring the Minimum Password Length
345
Configuring History Password Recording
345
Configuring User Login Password in Encryption Mode
346
Configuring Login Attempts Limitation and Failure Procession Mode
346
Configuring the Timeout for User Password Authentication
347
Displaying Password Control
348
Password Control Configuration Example
348
Network Requirements
348
Configuration Procedure
349
Password Recovery Process
351
Introduction
351
CLI Commands Controlling Bootrom Access
351
Bootrom Interface
352
Displaying All Files in Flash
352
Skipping the Current Configuration File
353
Bootrom Passwords
353
Bootrom Password Recovery
354
Setting up a RADIUS Server
355
Configuring Microsoft IAS RADIUS
355
Configuring Funk RADIUS
378
Configuring Freeradius
383
Setting up the RADIUS Client
384
Windows 2000 Built-In Client
385
Windows XP Built-In Client
385
Aegis Client Installation
385
Uthenticating the
389
Cisco Secure ACS (TACACS+) and the 3Com Switch 4500
389
Setting up the Cisco Secure ACS (TACACS+) Server
389
Adding a 3Com Switch 4500 as a RADIUS Client
390
Adding a User for Network Login
392
Adding a User for Switch Login
393
4
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3Com Switch 4500 26-Port Specifications
General
Brand
3Com
Model
Switch 4500 26-Port
Category
Switch
Language
English
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