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WS-C4003 - Catalyst 4000 Chassis Switch
Cisco WS-C4003 - Catalyst 4000 Chassis Switch Manuals
Manuals and User Guides for Cisco WS-C4003 - Catalyst 4000 Chassis Switch. We have
1
Cisco WS-C4003 - Catalyst 4000 Chassis Switch manual available for free PDF download: Software Configuration Manual
Cisco WS-C4003 - Catalyst 4000 Chassis Switch Software Configuration Manual (510 pages)
Software Guide
Brand:
Cisco
| Category:
Switch
| Size: 5.2 MB
Table of Contents
Software Configuration Guide
1
Table of Contents
3
Related Documentation
25
Obtaining Documentation
27
World Wide Web
27
Ordering Documentation
27
Documentation Feedback
28
Obtaining Technical Assistance
28
Catalyst 4000 Family Switches
33
Product Overview
33
Chapter 1 Product Overview
34
Catalyst 4000 Family Switches
34
Catalyst 2948G Switch
34
Catalyst 2980G Switch
35
Supervisor Engine Software
36
CHAPTER 2 Using the Command-Line Interface
37
Overview of the Switch CLI
37
C H a P T E R 2 Using the Command-Line Interface
38
Accessing the Switch CLI
38
Accessing the CLI through the Console Port
38
Accessing the CLI through Telnet
38
Switch CLI Command Modes
39
Accessing Help
40
Command-Line Editing
41
History Substitution
41
Abbreviating a Command
42
Completing a Partial Command
42
Scrolling down a Line or a Screen
43
Using Command Aliases
43
Specifying Modules, Ports, and Vlans
43
Specifying MAC Addresses
44
Specifying IP Addresses, Host Names, and IP Aliases
44
ROM Monitor Command-Line Interface
45
Catalyst 4003 Bootup Display Example
45
CHAPTER 3 Configuring the Switch IP Address and Default Gateway
47
Understanding the Switch Management Interfaces
47
C H a P T E R 3 Configuring the Switch IP Address and Default Gateway
48
Understanding Automatic IP Configuration
48
Automatic IP Configuration Overview
48
Understanding How DHCP Works
49
Understanding How RARP Works
50
Preparing to Configure the IP Address and Default Gateway
50
Default IP Address and Default Gateway Configuration
51
Setting the In-Band (Sc0) Interface IP Address
51
Setting the Management Ethernet (Me1) Interface IP Address
52
Configuring Default Gateways
53
Configuring the SLIP (Sl0) Interface on the Console Port
54
Using DHCP or RARP to Obtain an IP Address Configuration
56
Renewing and Releasing a DHCP-Assigned IP Address
57
Configuring Ethernet Switching
59
CHAPTER 4 Configuring Ethernet and Fast Ethernet Switching
61
Understanding How Ethernet Works
61
Ethernet Overview
61
C H a P T E R 4 Configuring Ethernet and Fast Ethernet Switching
62
Switching Frames between Segments
62
Building the Address Table
62
Default Ethernet and Fast Ethernet Configuration
62
Configuring Ethernet and Fast Ethernet Ports
63
Setting the Port Name
63
Setting the Port Priority Level
64
Setting the Port Speed
64
Setting the Port Duplex Mode
65
Configuring a Timeout Period for Ports in Errdisable State
66
Checking Connectivity
67
CHAPTER 5 Configuring Gigabit Ethernet Switching
69
Understanding How Gigabit Ethernet Works
69
Understanding How Gigabit Ethernet Flow Control Works
69
Flow-Control Overview
69
C H a P T E R 5 Configuring Gigabit Ethernet Switching
70
Sending and Receiving Pause Frames
70
Using Flow-Control Keywords
70
Understanding How Port Negotiation Works
71
Understanding How Oversubscribed Gigabit Ethernet Works
71
Oversubscribed Gigabit Ethernet Overview
72
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and
72
Oversubscribed Gigabit Ethernet Example
73
Default Gigabit Ethernet Configuration
74
Configuring Gigabit Ethernet
74
Setting the Port Name
75
Setting the Port Priority Level
75
Configuring Flow Control on Gigabit Ethernet Ports
76
Configuring Port Negotiation on Gigabit Ethernet Ports
76
Configuring a Timeout Period for Ports in Errdisable State
77
Checking Connectivity
77
CHAPTER 6 Configuring Fast Etherchannel and Gigabit Etherchannel
79
Understanding How Etherchannel Works
79
C H a P T E R 6 Configuring Fast Etherchannel and Gigabit Etherchannel
80
Etherchannel Overview
80
Understanding Administrative Groups and Etherchannel Ids
80
Understanding the Port Aggregation Protocol
80
Understanding Frame Distribution
81
Default Etherchannel Configuration
82
Hardware Support for Etherchannel
82
Etherchannel Configuration Guidelines and Restrictions
82
Configuring Etherchannel
83
Creating an Etherchannel
83
Defining an Etherchannel Administrative Group
83
Setting the Etherchannel Spanning Tree Port Cost
83
Setting the Etherchannel Spanning Tree Port VLAN Cost
83
Defining an Etherchannel Administrative Group
84
Setting the Etherchannel Spanning Tree Port Cost
85
Setting the Etherchannel Spanning Tree Port VLAN Cost
85
Removing an Etherchannel Bundle
86
Displaying Etherchannel Configuration Information
87
Displaying Etherchannel Traffic Statistics
88
Displaying Etherchannel Pagp Statistics
89
Etherchannel Configuration Examples
89
Four-Port Fast Etherchannel Configuration Example
89
Two-Port Gigabit Etherchannel Configuration Example
91
Spanning Tree
95
Chapter 7 Configuring Spanning Tree
98
How Spanning Tree Protocols Work
98
How a Topology Is Created
98
How a Switch or Port Becomes the Root Switch or Root Port
99
How Bridge Protocol Data Units Work
99
Spanning Tree Port States
101
Blocking State
102
Blocking State
103
Listening State
104
Learning State
105
Disabled State
106
Forwarding State
106
Understanding PVST+ and MISTP Modes
107
PVST+ Mode
108
MISTP Mode
108
MISTP-PVST+ Mode
108
Bridge Identifiers
109
MAC Address Allocation
109
MAC Address Reduction
109
Using PVST
109
Default PVST+ Configuration
110
Configuring PVST+ Bridge ID Priority
110
Configuring PVST+ Port Cost
112
Configuring PVST+ Port Priority
112
Configuring PVST+ Default Port Cost Mode
113
Configuring PVST+ Port VLAN Cost
113
Configuring PVST+ Port VLAN Priority
114
Disabling the PVST+ Mode on a VLAN
115
Using MISTP-PVST+ or MISTP
115
Default MISTP Configuration
116
Enabling MISTP-PVST+ or MISTP
116
Configuring a MISTP Instance
118
Configuring MISTP Bridge ID Priority
118
Configuring MISTP Port Cost
119
Configuring MISTP Port Priority
119
Configuring MISTP Port Instance Cost
120
Configuring MISTP Port Instance Priority
120
Enabling a MISTP Instance
121
Mapping Vlans to a MISTP Instance
122
Determining MISTP Instance-VLAN Mapping Conflicts
122
Unmapping Vlans from a MISTP Instance
123
Disabling MISTP-PVST+ or MISTP
123
Configuring a Root Switch
124
Configuring a Primary Root Switch
124
Configuring a Secondary Root Switch
125
Configuring a Root Switch to Improve Convergence
126
Using Root Guard-Preventing Switches from Becoming Root
127
Configuring Spanning Tree Timers
127
Configuring Hello Time
128
Configuring Forward Delay Time
128
Configuring Maximum Aging Time
129
Understanding How BPDU Skewing Works
130
Configuring Spanning Tree BPDU Skewing
130
CHAPTER 8 Configuring Spanning Tree Portfast, Uplinkfast, and Backbonefast, and Loop Guard
133
Understanding How Portfast Works
133
Configuring Portfast
134
Enabling Spanning Tree Portfast
134
C H a P T E R 8 Configuring Spanning Tree Portfast, Uplinkfast, and Backbonefast, and Loop Guard
135
Disabling Spanning Tree Portfast
135
Understanding How Portfast BPDU Guard Works
135
Configuring Portfast BPDU Guard
135
Enabling Portfast BPDU Guard
136
Disabling Portfast BPDU Guard
137
Understanding How Portfast BPDU Filtering Works
138
Configuring Portfast BPDU Filtering
138
Enabling Portfast BPDU Filtering
138
Disabling Portfast BPDU Filtering
139
Understanding How Uplinkfast Works
140
Configuring Uplinkfast
141
Enabling Uplinkfast
141
Disabling Uplinkfast
142
Understanding How Backbonefast Works
143
Configuring Backbonefast
145
Enabling Backbonefast
145
Disabling Backbonefast
146
Displaying Backbonefast Statistics
146
Understanding How Loop Guard Works
147
Configuring Loop Guard
149
Disabling Loop Guard
149
Enabling Loop Guard
149
Configuring Vlans and VLAN Trunks
151
Configuring VTP
153
Understanding How VTP Works
153
Chapter 9 Configuring VTP
154
VTP Domain
154
VTP Modes
154
VTP Advertisements
154
VTP Version 2
155
VTP Pruning
155
Default VTP Configuration
157
VTP Configuration Guidelines
157
Configuring VTP
157
Configuring a VTP Server
158
Configuring a VTP Client
158
Disabling VTP (VTP Transparent Mode)
159
Enabling VTP Version 2
159
Disabling VTP Version 2
160
Configuring VTP Pruning
161
Disabling VTP Pruning
162
Monitoring VTP
162
Chapter 10 Configuring Vlans
163
Understanding How Vlans Work
163
VLAN Default Configuration
165
VLAN Configuration Guidelines
165
Configuring Vlans
165
Creating or Modifying an Ethernet VLAN
166
Assigning Switch Ports to a VLAN
166
Mapping 802.1Q Vlans to ISL Vlans
167
Clearing 802.1Q-To-ISL VLAN Mappings
168
Deleting a VLAN
169
Configuring Private Vlans
169
Understanding How Private Vlans Work
169
Private VLAN Configuration Guidelines
171
Creating a Private VLAN
172
Viewing the Port Capability of a Private VLAN Port
175
Deleting a Private VLAN
175
Deleting an Isolated or Community VLAN
176
Deleting a Private VLAN Mapping
176
CHAPTER 11 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports
177
Understanding How VLAN Trunks Work
177
Trunking Overview
177
Trunking Modes and Encapsulation Types
178
C H a P T E R 11 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports
179
Trunking Support
180
802.1Q Trunk Restrictions
180
Default Trunk Configuration
181
Configuring a Trunk Link
181
Configuring an 802.1Q Trunk
181
Defining the Allowed Vlans on a Trunk
182
Disabling a Trunk Port
183
Example VLAN Trunk Configurations
183
802.1Q Trunk over Gigabit Etherchannel Link Example
184
Load-Sharing VLAN Traffic over Parallel Trunks Example
187
802.1Q Nonegotiate Trunk Configuration Example
194
Disabling VLAN 1 on a Trunk Link
197
CHAPTER 12 Configuring Dynamic Port VLAN Membership with VMPS
199
Understanding How VMPS Works
199
C H a P T E R 12 Configuring Dynamic Port VLAN Membership with VMPS
200
VMPS and Dynamic Port Hardware and Software Requirements
200
Default VMPS and Dynamic Port Configuration
200
Dynamic Port VLAN Membership and VMPS Configuration Guidelines
201
Configuring VMPS and Dynamic Port VLAN Membership
201
Creating the VMPS Database
201
Configuring VMPS
202
Configuring Dynamic Ports on VMPS Clients
203
Configuring Static VLAN Port Membership
204
Troubleshooting VMPS and Dynamic Port VLAN Membership
204
Troubleshooting VMPS
204
Troubleshooting Dynamic Port VLAN Membership
205
Dynamic Port VLAN Membership with VMPS Configuration Examples
205
VMPS Database Configuration File Example
205
Dynamic Port VLAN Membership Configuration Example
206
Dynamic Port VLAN Membership with Auxiliary Vlans
208
Configuration Guidelines
209
Configuring Dynamic Port VLAN Membership with Auxiliary Vlans
209
Chapter 13 Configuring GVRP
211
Understanding How GVRP Works
211
GVRP Hardware and Software Requirements
211
Default GVRP Configuration
212
GVRP Configuration Guidelines
212
Configuring GVRP
212
Enabling GVRP Globally
213
Enabling GVRP on Individual 802.1Q Trunk Ports
213
Enabling GVRP Dynamic VLAN Creation
214
Configuring GVRP Registration
215
Setting GVRP Fixed Registration
215
Setting GVRP Forbidden Registration
215
Setting GVRP Normal Registration
215
Sending GVRP VLAN Declarations from Blocking Ports
216
Setting the GARP Timers
216
Displaying GVRP Statistics
217
Clearing GVRP Statistics
218
Disabling GVRP on Individual 802.1Q Trunk Ports
218
Disabling GVRP Globally
218
Configuring Qos
223
Understanding How Qos Works
223
Overview of Qos
223
Chapter 14 Configuring Qo
224
Qos Terminology
224
Understanding Classification and Marking at the Ingress Port
225
Understanding Scheduling
225
Software Requirements
226
Qos Default Configuration
226
Configuring Qos
226
Enabling Qos Globally
227
Configuring the Default Cos Value for the Switch
227
Reverting to the Default Switch Cos Value
227
Mapping Cos Values to Transmit Queues and Drop Thresholds
228
Reverting to the Default Cos-To-Transmit Queue and Drop Threshold Mapping
228
Displaying Qos Information
229
Reverting to Qos Defaults
229
Disabling Qos
229
CHAPTER 15 Configuring Multicast Services 15-1
231
Understanding How Multicasting Works
231
Understanding Multicasting and Multicast Services Operation
231
C H a P T E R 15 Configuring Multicast Services
232
Joining a Multicast Group
232
Leaving a Multicast Group
232
Understanding GMRP Operation
233
Configuring CGMP
234
CGMP Hardware and Software Requirements
234
Default CGMP Configuration
234
Enabling CGMP
234
Enabling CGMP Fast-Leave Processing
235
Displaying Multicast Router Information
236
Displaying Multicast Group Information
237
Checking CGMP Statistics
237
Disabling CGMP Fast-Leave Processing
238
Disabling CGMP
238
Configuring GMRP
238
GMRP Software Requirements
239
Default GMRP Configuration
239
Enabling GMRP Globally
239
Enabling GMRP on Individual Switch Ports
240
Disabling GMRP on Individual Switch Ports
240
Enabling GMRP Forward-All Option
241
Disabling GMRP Forward-All Option
241
Configuring GMRP Registration
242
Setting Fixed Registration Mode
242
Setting Normal Registration Mode
242
Setting Forbidden Registration Mode
243
Setting the GARP Timers
243
Displaying GMRP Statistics
244
Clearing GMRP Statistics
245
Disabling GMRP on the Switch
245
Configuring Multicast Router Ports and Group Entries
246
Specifying Multicast Router Ports
246
Configuring Multicast Groups
246
Clearing Multicast Router Ports
247
Clearing Multicast Group Entries
247
Understanding How Port Security Works
249
Allowing Traffic Based on the Host MAC Address
249
Chapter 16 Configuring Port Security
250
Restricting Traffic Based on the Host MAC Address
251
Port Security Configuration Guidelines
251
Configuring Port Security
251
Enabling Port Security
252
Specifying the Maximum Number of Secure MAC Addresses
253
Specifying the Port Security Age Time
253
Clearing MAC Addresses
254
Specifying Security Violation Action
254
Specifying Shutdown Time
255
Disabling Port Security
255
Restricting Traffic Based on Host MAC Address
256
Monitoring Port Security
256
Chapter 17 Configuring the IP Permit List
259
Understanding How the IP Permit List Works
259
IP Permit List Default Configuration
260
Configuring the IP Permit List
260
Adding IP Addresses to the IP Permit List
260
Enabling IP Permit List
261
Disabling the IP Permit List
262
Clearing an IP Permit List Entry
262
Chapter 18 Configuring Protocol Filtering
265
Understanding How Protocol Filtering Works
265
Default Protocol Filtering Configuration
266
Configuring Protocol Filtering
266
Configuring Protocol Filtering
267
Disabling Protocol Filtering
267
Monitoring and Managing the Switch
269
CHAPTER 19 Checking Port Status and Connectivity 19-1
271
Checking Module Status
271
Checking Port Status
272
C H a P T E R 19 Checking Port Status and Connectivity
273
Checking Port Capabilities
274
Using Telnet
275
Changing the Login Timer
276
Using Secure Shell Encryption for Telnet Sessions
276
Monitoring User Sessions
277
Using Ping
278
Understanding How Ping Works
278
Executing Ping
279
Using Layer 2 Traceroute
280
Usage Guidelines
280
Identifying a Layer 2 Path
281
Using IP Traceroute
281
Understanding How IP Traceroute Works
281
Executing IP Traceroute
282
Chapter 20 Configuring CDP
283
Understanding How CDP Works
283
Default CDP Configuration
283
Configuring CDP
284
Setting the CDP Global Enable State
284
Setting the CDP Enable State on a Port
285
Setting the CDP Message Interval
286
Setting the CDP Holdtime
286
Displaying CDP Neighbor Information
286
Chapter 21 Using Switch Topn Reports
289
Understanding How Switch Topn Reports Works
289
Overview of Switch Topn Reports
289
Running Switch Topn Reports Without the Background Option
290
Running Switch Topn Reports with the Background Option
290
Running and Viewing Switch Topn Reports
291
Running and Viewing Switch Topn Reports
292
Chapter 22 Configuring UDLD
295
Understanding How UDLD Works
295
UDLD Software and Hardware Requirements
296
Default UDLD Configuration
297
Configuring UDLD
297
Enabling UDLD Globally
297
Enabling UDLD on Individual Ports
298
Disabling UDLD on Individual Ports
298
Disabling UDLD Globally
298
Specifying the UDLD Message Interval
299
Enabling UDLD Aggressive Mode
299
Displaying the UDLD Configuration
300
Chapter 23 Configuring SNMP
303
SNMP Terminology
303
Understanding How SNMP Works
305
Secuirty Models and Levels
305
SNMP Ifindex Persistence Feature
306
Understanding How Snmpv1 and Snmpv2C Work
306
Snmpv1 and Snmpv2C Default Configuration
307
Configuring Snmpv1 and Snmpv2C from an NMS
307
Configuring Snmpv1 and Snmpv2C from the CLI
308
Understanding Snmpv3
309
Benefits
309
SNMP Entity
309
Dispatcher
310
Message Processing Subsystem
310
Access Control Subsystem
311
Applications
311
Security Subsystem
311
Configuring Snmpv3 from an NMS
312
Configuring Snmpv3 from the CLI
312
Using Ciscoworks2000
315
Chapter 24 Configuring RMON
317
Understanding How RMON Works
317
Enabling RMON
318
Viewing RMON Data
318
Supported RMON and RMON2 MIB Objects
318
Chapter 25 Configuring SPAN and RSPAN
321
Understanding How SPAN and RSPAN Work
321
SPAN Session
321
Destination Port
322
Source Port
322
Reflector Port
323
Ingress SPAN
323
Egress SPAN
323
Vspan
323
Configuring SPAN
324
SPAN and RSPAN Session Limits
324
SPAN Traffic
324
Trunk VLAN Filtering
324
Understanding How SPAN Works
324
SPAN Configuration Guidelines
325
Configuring SPAN
326
Configuring RSPAN
328
RSPAN Software and Hardware Requirements
328
Understanding How RSPAN Work
328
RSPAN Configuration Guidelines
329
Configuring RSPAN
330
Disabling RSPAN Sessions
333
Configuring a Single RSPAN Session
334
Modifying an Active RSPAN Session
334
RSPAN Configuration Examples
334
Adding RSPAN Source Ports in Intermediate Switches
335
Administering the Switch
337
Chapter 26 Administering the Switch
339
Setting the System Name and System Prompt
339
Configuring a Static System Name and Prompt
340
Setting a Static System Name
340
Setting a Static System Prompt
340
Clearing the System Name
341
Setting the System Contact and Location
341
Setting the System Clock
342
Creating a Login Banner
342
Configuring a Login Banner
342
Clearing the Login Banner
343
Defining and Using Command Aliases
343
Defining and Using IP Aliases
345
Configuring Permanent and Static ARP Entries
345
Configuring Static Routes
347
Scheduling a System Reset
348
Scheduling a Reset at a Specific Time
348
Scheduling a Reset Within a Specified Amount of Time
349
Power Management
349
Power Redundancy
350
Limitations of the 1+1 Redundancy Mode
350
Power Consumption of Modules
352
Setting the Power Budget
353
Generating System Status Reports for Tech Support
354
Chapter 27 Configuring Switch Access Using AAA
355
Understanding How Authentication Works
355
Authentication Overview
356
Understanding How Login Authentication Works
356
Understanding How Local Authentication Works
356
Understanding How TACACS+ Authentication Works
357
Understanding How RADIUS Authentication Works
358
Understanding How Kerberos Authentication Works
358
Using Kerberized Login Procedure
360
Using a Non-Kerberized Login Procedure
360
Understanding How 802.1X Authentication Works
361
Traffic Control
363
Authentication Server
363
802.1X Parameters Configurable on the Switch
363
Configuring Authentication
363
Authentication Default Configuration
364
Authentication Configuration Guidelines
365
Configuring Login Authentication
366
Setting Authentication Login Attempts on the Switch
366
Setting Authentication Login Attempts for Privileged Mode
367
Configuring Local Authentication
367
Enabling Local Authentication
368
Setting the Login Password
368
Disabling Local Authentication
369
Setting the Enable Password
369
Recovering a Lost Password
370
Configuring TACACS+ Authentication
371
Specifying TACACS+ Servers
371
Enabling TACACS+ Authentication
372
Setting the TACACS+ Timeout Interval
373
Specifying the TACACS+ Key
373
Enabling TACACS+ Directed Request
374
Setting the TACACS+ Login Attempts
374
Clearing TACACS+ Servers
375
Disabling TACACS+ Directed Request
375
Clearing the TACACS+ Key
376
Disabling TACACS+ Authentication
376
Configuring RADIUS Authentication
377
Specifying RADIUS Servers
377
Enabling RADIUS Authentication
378
Specifying the RADIUS Key
379
Setting the RADIUS Retransmit Count
380
Setting the RADIUS Timeout Interval
380
Setting the RADIUS Dead Time
381
Clearing RADIUS Servers
382
Clearing the RADIUS Key
382
Disabling RADIUS Authentication
383
Configuring Kerberos Authentication
384
Defining the Kerberos Local-Realm
385
Enabling Kerberos
385
Specifying a Kerberos Server
386
Copying SRVTAB Files
387
Mapping a Kerberos Realm to a Host Name or DNS Domain
387
Deleting an SRVTAB Entry
388
Enabling Credentials Forwarding
389
Disabling Credentials Forwarding
390
Defining a Private des Key
391
Encrypting a Telnet Session
391
Monitoring and Maintaining Kerberos
392
Configuring 802.1X Authentication
393
Enabling 802.1X Globally
393
Disabling 802.1X Globally
394
Enabling and Initializing 802.1X Authentication for Individual Ports
394
Setting and Enabling Automatic Reauthentication of the Supplicant
395
Disabling Multiple Hosts
396
Enabling Multiple Hosts
396
Manually Reauthenticating the Supplicant
396
Frames
397
Setting the Authenticator-To-Supplicant Retransmission Time for EAP-Request/Identity Frames
397
Setting the Quiet Period
397
Layer Packets
398
Setting the Back-End Authenticator-To-Supplicant Frame-Retransmission Number
398
Resetting the 802.1X Configuration Parameters to the Default Values
399
Setting the Trace Severity
399
Using the Show Commands
400
Authentication Example
401
Understanding How Authorization Works
403
Authorization Overview
403
Authorization Events
403
TACACS+ Primary Options and Fallback Options
403
TACACS+ Command Authorization
404
RADIUS Authorization
404
Configuring Authorization
405
Authorization Default Configuration
405
TACACS+ Authorization Configuration Guidelines
405
Configuring TACACS+ Authorization
405
Enabling TACACS+ Authorization
406
Disabling TACACS+ Authorization
407
Authorization Example
408
Understanding How Accounting Works
409
Accounting Overview
410
Accounting Events
410
Specifying When to Create Accounting Records
411
Specifying RADIUS Servers
411
Updating the Server
412
Suppressing Accounting
412
Configuring Accounting
412
Accounting Default Configuration
412
Accounting Configuration Guidelines
413
Configuring Accounting
413
Enabling Accounting
413
Disabling Accounting
415
Accounting Example
416
Chapter 28 Modifying the Switch Boot Configuration
419
Understanding How the Switch Boot Configuration Works
419
Understanding the Boot Process
419
Understanding the ROM Monitor
420
Understanding the Configuration Register
420
Understanding the BOOT Environment Variable
421
Understanding the CONFIG_FILE Environment Variable
421
Default Switch Boot Configuration
422
Setting the Configuration Register
422
Setting the Boot Field in the Configuration Register
422
Setting CONFIG_FILE Recurrence
423
Setting the Switch to Ignore the NVRAM Configuration
424
Setting the BOOT Environment Variable
425
Clearing the BOOT Environment Variable Settings
425
Setting and Clearing the CONFIG_FILE Environment Variable
426
Setting the Variable
426
Clearing the Variable Settings
426
Displaying the Switch Boot Configuration
427
Chapter 29 Working with System Software Images
429
Software Image Naming Conventions
429
Downloading System Software Images to the Switch Using TFTP
429
Understanding How TFTP Software Image Downloads Work
430
Preparing to Download an Image Using TFTP
430
Downloading Supervisor Engine Images Using TFTP
430
Example TFTP Download Procedures
431
Uploading System Software Images to a TFTP Server
433
Preparing to Upload an Image to a TFTP Server
433
Uploading Software Images to a TFTP Server
433
Downloading System Software Images to the Switch Using Rcp
434
Understanding How Rcp Software Image Downloads Work
434
Preparing to Download an Image Using Rcp
434
Downloading Supervisor Engine Images Using Rcp
434
Sample Rcp Download Procedures
435
Uploading System Software Images to an Rcp Server
437
Preparing to Upload an Image to an Rcp Server
437
Uploading Software Images to an Rcp Server
437
Chapter 30 Using the Flash File System
439
Using the Flash File System
439
Setting the Default Flash Device
439
Setting the Text File Configuration Mode
440
Listing the Files on a Flash Device
441
Displaying the Contents of a File on a Flash Device
442
Copying Files
442
Deleting Files
444
Restoring Deleted Files
445
Verifying a File Checksum
445
Chapter 31 Working with Configuration Files
447
Guidelines for Creating and Using Configuration Files
447
Creating a Configuration File
448
Configuring the Switch Using a File in Flash Memory
448
Copying Configuration Files Using TFTP
449
Downloading Configuration Files from a TFTP Server
449
Configuring the Switch Using a File on a TFTP Server
449
Preparing to Download a Configuration File Using TFTP
449
Uploading Configuration Files to a TFTP Server
451
Preparing to Upload a Configuration File to a TFTP Server
451
Uploading a Configuration File to a TFTP Server
451
Copying Configuration Files Using Rcp
452
Downloading Configuration Files from an Rcp Server
452
Configuring the Switch Using a File on an Rcp Server
452
Preparing to Download a Configuration File Using Rcp
452
Uploading Configuration Files to an Rcp Server
453
Preparing to Upload a Configuration File to an Rcp Server
453
Uploading a Configuration File to an Rcp Server
453
Clearing the Configuration
454
Chapter 32 Configuring Switch Acceleration
457
Understanding Switch Acceleration
457
Switch Acceleration Configuration Modes
458
Understanding Switch Acceleration
458
Configuring Switch Acceleration
459
Displaying Switch Acceleration Information
459
Backplane Channel Module
459
Configuring Switch Acceleration
460
Chapter 33 Configuring System Message Logging
461
Understanding How System Message Logging Works
461
System Log Message Format
463
Default System Message Logging Configuration
464
Configuring System Message Logging
464
Configuring Session Logging Settings
464
Configuring the System Message Logging Levels
465
Changing the Logging Timestamp Enable State
466
Specifying the Logging Buffer Size
466
Configuring the Syslog Daemon on a UNIX Syslog Server
467
Configuring Syslog Servers
467
Displaying the Logging Configuration
468
Displaying System Messages
469
Chapter 34 Configuring DNS
471
Understanding How DNS Works
471
DNS Default Configuration
471
Configuring DNS
472
Setting up and Enabling DNS
472
Clearing a DNS Server
473
Clearing the DNS Domain Name
473
Disabling DNS
473
Chapter 35 Configuring NTP
475
Understanding How NTP Works
475
Default NTP Configuration
476
Configuring NTP
476
Configuring NTP in Broadcast-Client Mode
477
Configuring NTP in Client Mode
477
Configuring Authentication in Client Mode
478
Setting the Time Zone
479
Enabling the Daylight Saving Time Adjustment
479
Disabling the Daylight Saving Time Adjustment
481
Clearing the Time Zone
481
Clearing NTP Servers
481
Disabling NTP
482
Appendix
483
A Acronyms
485
Appendix A Acronym
486
I N D E X
495
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