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Manuals and User Guides for Cisco WS-C3560G-24PS-E. We have
1
Cisco WS-C3560G-24PS-E manual available for free PDF download: Software Configuration Manual
Cisco WS-C3560G-24PS-E Software Configuration Manual (892 pages)
Software Configuration Guide
Brand:
Cisco
| Category:
Switch
| Size: 10.06 MB
Table of Contents
Table of Contents
3
Obtaining Documentation
35
Ordering Documentation
36
Documentation Feedback
36
Related Publications
35
Obtaining Technical Assistance
36
Obtaining Additional Publications and Information
38
Features
39
Chapter 1 Overview
40
Default Settings after Initial Switch Configuration
47
Network Configuration Examples
49
Design Concepts for Using the Switch
49
Small to Medium-Sized Network Using Catalyst 3560 Switches
51
Large Network Using Catalyst 3560 Switches
52
Long-Distance, High-Bandwidth Transport Configuration
54
Where to Go Next
54
CHAPTER 2 Using the Command-Line Interface
55
Understanding Command Modes
55
C H a P T E R 2 Using the Command-Line Interface
56
Understanding the Help System
57
Understanding Abbreviated Commands
57
Understanding no and Default Forms of Commands
58
Understanding CLI Error Messages
58
Using Command History
58
Changing the Command History Buffer Size
59
Recalling Commands
59
Disabling the Command History Feature
59
Using Editing Features
60
Enabling and Disabling Editing Features
60
Editing Commands through Keystrokes
60
Editing Command Lines that Wrap
62
Searching and Filtering Output of Show and more Commands
62
Accessing the CLI
63
Accessing the CLI through a Console Connection or through Telnet
63
Accessing the CLI from a Browser
63
Chapter 3 Getting Started with CMS
65
Understanding CMS
65
Front Panel View
66
Topology View
66
CMS Menu Bar, Toolbar, and Feature Bar
66
Online Help
69
Configuration Modes
69
Guide Mode
69
Expert Mode
70
Wizards
70
Privilege Levels
71
Access to Older Switches in a Cluster
71
Configuring CMS
72
CMS Requirements
72
Minimum Hardware Configuration
72
Operating System and Browser Support
73
CMS Plug-In Requirements
73
Cross-Platform Considerations
74
HTTP Access to CMS
74
Specifying an HTTP Port (Nondefault Configuration Only)
74
Configuring an Authentication Method (Nondefault Configuration Only)
74
Displaying CMS
75
Launching CMS
75
Front Panel View
78
Topology View
79
CMS Icons
80
Where to Go Next
80
Chapter 4 Assigning the Switch IP Address and Default Gateway
81
Understanding the Boot Process
81
Assigning Switch Information
82
Default Switch Information
83
Understanding DHCP-Based Autoconfiguration
83
DHCP Client Request Process
84
Configuring DHCP-Based Autoconfiguration
84
Configuring the DHCP Server
85
Configuring the TFTP Server
85
Configuring the DNS
86
Configuring the Relay Device
86
Obtaining Configuration Files
87
Example Configuration
88
Manually Assigning IP Information
89
Checking and Saving the Running Configuration
90
Modifying the Startup Configuration
91
Default Boot Configuration
92
Automatically Downloading a Configuration File
92
Specifying the Filename to Read and Write the System Configuration
92
Booting Manually
93
Booting a Specific Software Image
93
Controlling Environment Variables
94
Scheduling a Reload of the Software Image
96
Configuring a Scheduled Reload
96
Displaying Scheduled Reload Information
97
Chapter 5 Clustering Switches
99
Understanding Switch Clusters
100
Cluster Command Switch Characteristics
101
Standby Cluster Command Switch Characteristics
101
Candidate Switch and Cluster Member Switch Characteristics
102
Planning a Switch Cluster
102
Automatic Discovery of Cluster Candidates and Members
103
Discovery through CDP Hops
103
Discovery through Non-CDP-Capable and Noncluster-Capable Devices
104
Discovery through Different Vlans
105
Discovery through Different Management Vlans
105
Discovery through Routed Ports
106
Discovery of Newly Installed Switches
107
HSRP and Standby Cluster Command Switches
108
Virtual IP Addresses
109
Other Considerations for Cluster Standby Groups
109
Automatic Recovery of Cluster Configuration
110
IP Addresses
111
Host Names
111
Passwords
112
SNMP Community Strings
112
TACACS+ and RADIUS
112
Access Modes in CMS
113
LRE Profiles
113
Availability of Switch-Specific Features in Switch Clusters
113
Creating a Switch Cluster
114
Enabling a Cluster Command Switch
114
Adding Cluster Member Switches
115
Creating a Cluster Standby Group
117
Verifying a Switch Cluster
118
Using the CLI to Manage Switch Clusters
119
Catalyst 1900 and Catalyst 2820 CLI Considerations
120
Using SNMP to Manage Switch Clusters
120
Managing the System Time and Date
123
Chapter 6 Administering the Switch
124
Understanding the System Clock
124
Understanding Network Time Protocol
124
Configuring NTP
126
Default NTP Configuration
126
Configuring NTP Authentication
127
Configuring NTP Associations
128
Configuring NTP Broadcast Service
129
Configuring NTP Access Restrictions
130
Configuring the Source IP Address for NTP Packets
132
Displaying the NTP Configuration
133
Configuring Time and Date Manually
133
Setting the System Clock
133
Displaying the Time and Date Configuration
134
Configuring the Time Zone
134
Configuring Summer Time (Daylight Saving Time)
135
Configuring a System Name and Prompt
137
Default System Name and Prompt Configuration
137
Configuring a System Name
137
Configuring a System Prompt
138
Understanding DNS
138
Default DNS Configuration
139
Setting up DNS
139
Displaying the DNS Configuration
140
Creating a Banner
140
Default Banner Configuration
140
Configuring a Message-Of-The-Day Login Banner
141
Configuring a Login Banner
142
Managing the MAC Address Table
143
Building the Address Table
143
MAC Addresses and Vlans
144
Default MAC Address Table Configuration
144
Changing the Address Aging Time
144
Removing Dynamic Address Entries
145
Configuring MAC Address Notification Traps
145
Adding and Removing Static Address Entries
147
Configuring Unicast MAC Address Filtering
148
Displaying Address Table Entries
150
Managing the ARP Table
150
Chapter 7 Configuring SDM Templates
151
Understanding the SDM Templates
151
Configuring the Switch SDM Template
152
Default SDM Template
152
SDM Template Configuration Guidelines
152
Setting the SDM Template
153
Displaying the SDM Templates
154
CHAPTER 8 Configuring Switch-Based Authentication
155
Preventing Unauthorized Access to Your Switch
155
C H a P T E R 8 Configuring Switch-Based Authentication
156
Protecting Access to Privileged EXEC Commands
156
Default Password and Privilege Level Configuration
156
Setting or Changing a Static Enable Password
157
Protecting Enable and Enable Secret Passwords with Encryption
158
Disabling Password Recovery
159
Setting a Telnet Password for a Terminal Line
160
Configuring Username and Password Pairs
161
Configuring Multiple Privilege Levels
162
Setting the Privilege Level for a Command
162
Changing the Default Privilege Level for Lines
163
Logging into and Exiting a Privilege Level
164
Controlling Switch Access with TACACS
164
Understanding TACACS
164
TACACS+ Operation
166
Configuring TACACS
167
Default TACACS+ Configuration
167
Identifying the TACACS+ Server Host and Setting the Authentication Key
167
Configuring TACACS+ Login Authentication
168
Configuring TACACS+ Authorization for Privileged EXEC Access and Network Services
170
Starting TACACS+ Accounting
171
Displaying the TACACS+ Configuration
171
Controlling Switch Access with RADIUS
172
Understanding RADIUS
172
RADIUS Operation
173
Configuring RADIUS
174
Default RADIUS Configuration
174
Identifying the RADIUS Server Host
175
Configuring RADIUS Login Authentication
177
Defining AAA Server Groups
179
Configuring RADIUS Authorization for User Privileged Access and Network Services
181
Starting RADIUS Accounting
182
Configuring Settings for All RADIUS Servers
183
Configuring the Switch to Use Vendor-Specific RADIUS Attributes
183
Configuring the Switch for Vendor-Proprietary RADIUS Server Communication
185
Displaying the RADIUS Configuration
185
Controlling Switch Access with Kerberos
186
Understanding Kerberos
186
Kerberos Operation
188
Authenticating to a Boundary Switch
189
Obtaining a TGT from a KDC
189
Authenticating to Network Services
189
Configuring Kerberos
190
Configuring the Switch for Local Authentication and Authorization
190
Configuring the Switch for Secure Shell
191
Understanding SSH
192
SSH Servers, Integrated Clients, and Supported Versions
192
Limitations
192
Configuring SSH
193
Configuration Guidelines
193
Setting up the Switch to Run SSH
193
Configuring the SSH Server
194
Displaying the SSH Configuration and Status
195
CHAPTER 9 Configuring 802.1X Port-Based Authentication
198
Understanding 802.1X Port-Based Authentication
198
Device Roles
198
Authentication Initiation and Message Exchange
199
Ports in Authorized and Unauthorized States
200
Supported Topologies
200
Using 802.1X with Port Security
201
Using 802.1X with Voice VLAN Ports
202
Using 802.1X with VLAN Assignment
202
Using 802.1X with Guest VLAN
204
Using 802.1X with Per-User Acls
204
Configuring 802.1X Authentication
205
Default 802.1X Configuration
206
802.1X Configuration Guidelines
207
Configuring 802.1X Authentication
207
Configuring the Switch-To-RADIUS-Server Communication
209
Configuring Periodic Re-Authentication
210
Manually Re-Authenticating a Client Connected to a Port
210
Changing the Quiet Period
211
Changing the Switch-To-Client Retransmission Time
211
Setting the Switch-To-Client Frame-Retransmission Number
212
Configuring the Host Mode
213
Configuring a Guest VLAN
214
Resetting the 802.1X Configuration to the Default Values
214
Displaying 802.1X Statistics and Status
215
CHAPTER 10 Configuring Interface Characteristics
217
Understanding Interface Types
217
C H a P T E R 10 Configuring Interface Characteristics
218
Port-Based Vlans
218
Switch Ports
218
Access Ports
218
Trunk Ports
219
Routed Ports
219
Switch Virtual Interfaces
220
Connecting Interfaces
221
Etherchannel Port Groups
221
Using Interface Configuration Mode
222
Procedures for Configuring Interfaces
223
Configuring a Range of Interfaces
224
Configuring and Using Interface Range Macros
225
Configuring Ethernet Interfaces
227
Default Ethernet Interface Configuration
227
Configuring Interface Speed and Duplex Mode
228
Configuration Guidelines
229
Setting the Interface Speed and Duplex Parameters
229
Configuring IEEE 802.3X Flow Control
230
Configuring Auto-MDIX on an Interface
231
Configuring Power over Ethernet on an Interface
232
Adding a Description for an Interface
234
Configuring Layer 3 Interfaces
235
Configuring the System MTU
236
Monitoring and Maintaining the Interfaces
238
Monitoring Interface Status
238
Clearing and Resetting Interfaces and Counters
239
Shutting down and Restarting the Interface
239
Chapter 11 Configuring Smartport Macros
241
Understanding Smartport Macros
241
Configuring Smart-Port Macros
242
Default Smartport Macro Configuration
242
Smartport Macro Configuration Guidelines
242
Creating and Applying Smartport Macros
243
Displaying Smartport Macros
244
Chapter 12 Configuring Vlans
245
Understanding Vlans
245
Supported Vlans
247
VLAN Port Membership Modes
247
Configuring Normal-Range Vlans
248
Token Ring Vlans
249
Normal-Range VLAN Configuration Guidelines
250
VLAN Configuration Mode Options
250
VLAN Configuration in Config-Vlan Mode
251
VLAN Configuration in VLAN Database Configuration Mode
251
Saving VLAN Configuration
251
Default Ethernet VLAN Configuration
252
Creating or Modifying an Ethernet VLAN
252
Deleting a VLAN
254
Assigning Static-Access Ports to a VLAN
255
Configuring Extended-Range Vlans
256
Default VLAN Configuration
256
Extended-Range VLAN Configuration Guidelines
257
Creating an Extended-Range VLAN
258
Creating an Extended-Range VLAN with an Internal VLAN ID
259
Displaying Vlans
260
Configuring VLAN Trunks
260
Trunking Overview
260
Encapsulation Types
262
802.1Q Configuration Considerations
262
Default Layer 2 Ethernet Interface VLAN Configuration
263
Configuring an Ethernet Interface as a Trunk Port
263
Interaction with Other Features
264
Configuring a Trunk Port
264
Defining the Allowed Vlans on a Trunk
265
Changing the Pruning-Eligible List
266
Configuring the Native VLAN for Untagged Traffic
267
Configuring Trunk Ports for Load Sharing
268
Load Sharing Using STP Port Priorities
268
Load Sharing Using STP Path Cost
270
Configuring VMPS
271
Understanding VMPS
271
Dynamic-Access Port VLAN Membership
272
Default VMPS Client Configuration
273
VMPS Configuration Guidelines
273
Configuring the VMPS Client
273
Entering the IP Address of the VMPS
274
Configuring Dynamic-Access Ports on VMPS Clients
274
Reconfirming VLAN Memberships
275
Changing the Reconfirmation Interval
275
Changing the Retry Count
276
Monitoring the VMPS
276
Troubleshooting Dynamic-Access Port VLAN Membership
277
VMPS Configuration Example
277
Chapter 13 Configuring VTP
279
Understanding VTP
279
The VTP Domain
280
VTP Modes
281
VTP Advertisements
281
VTP Version 2
282
VTP Pruning
282
Configuring VTP
282
Default VTP Configuration
284
VTP Configuration Options
285
VTP Configuration in Global Configuration Mode
285
VTP Configuration in VLAN Database Configuration Mode
285
VTP Configuration Guidelines
286
Domain Names
286
Passwords
286
VTP Version
287
Configuration Requirements
287
Configuring a VTP Server
287
Configuring a VTP Client
289
Disabling VTP (VTP Transparent Mode)
290
Enabling VTP Version 2
291
Enabling VTP Pruning
291
Adding a VTP Client Switch to a VTP Domain
292
Monitoring VTP
293
Chapter 14 Configuring Voice VLAN
295
Understanding Voice VLAN
295
Cisco IP Phone Voice Traffic
296
Cisco IP Phone Data Traffic
296
Configuring Voice VLAN
297
Default Voice VLAN Configuration
297
Voice VLAN Configuration Guidelines
297
Configuring a Port Connected to a Cisco 7960 IP Phone
298
Configuring IP Phone Voice Traffic
298
Configuring the Priority of Incoming Data Frames
299
Displaying Voice VLAN
300
Configuring STP
302
Understanding Spanning-Tree Features
302
Chapter 15 Configuring STP
302
STP Overview
302
Spanning-Tree Topology and Bpdus
303
Bridge ID, Switch Priority, and Extended System ID
304
Spanning-Tree Interface States
304
Blocking State
306
Listening State
306
Learning State
306
Forwarding State
306
Disabled State
307
How a Switch or Port Becomes the Root Switch or Root Port
307
Spanning Tree and Redundant Connectivity
308
Spanning-Tree Address Management
308
Accelerated Aging to Retain Connectivity
308
Spanning-Tree Modes and Protocols
309
Supported Spanning-Tree Instances
309
Spanning-Tree Interoperability and Backward Compatibility
310
STP and IEEE 802.1Q Trunks
310
VLAN-Bridge Spanning Tree
311
Configuring Spanning-Tree Features
311
Default Spanning-Tree Configuration
311
Spanning-Tree Configuration Guidelines
312
Changing the Spanning-Tree Mode
313
Disabling Spanning Tree
314
Configuring the Root Switch
314
Configuring a Secondary Root Switch
316
Configuring Port Priority
317
Configuring Path Cost
318
Configuring the Switch Priority of a VLAN
319
Configuring Spanning-Tree Timers
320
Configuring the Hello Time
320
Configuring the Forwarding-Delay Time for a VLAN
321
Configuring the Maximum-Aging Time for a VLAN
321
Displaying the Spanning-Tree Status
322
Chapter 16 Configuring MSTP
323
Understanding MSTP
324
Multiple Spanning-Tree Regions
324
IST, CIST, and CST
325
Operations Within an MST Region
325
Operations between MST Regions
326
Hop Count
327
Boundary Ports
327
Interoperability with 802.1D STP
327
Understanding RSTP
328
Port Roles and the Active Topology
328
Rapid Convergence
329
Synchronization of Port Roles
330
Bridge Protocol Data Unit Format and Processing
331
Processing Superior BPDU Information
332
Processing Inferior BPDU Information
332
Topology Changes
332
Configuring MSTP Features
333
Default MSTP Configuration
334
MSTP Configuration Guidelines
334
Specifying the MST Region Configuration and Enabling MSTP
335
Configuring the Root Switch
336
Configuring a Secondary Root Switch
338
Configuring Port Priority
339
Configuring Path Cost
340
Configuring the Switch Priority
341
Configuring the Hello Time
341
Configuring the Forwarding-Delay Time
342
Configuring the Maximum-Aging Time
343
Configuring the Maximum-Hop Count
343
Specifying the Link Type to Ensure Rapid Transitions
344
Restarting the Protocol Migration Process
344
Displaying the MST Configuration and Status
345
CHAPTER 17 Configuring Optional Spanning-Tree Features
348
Understanding Optional Spanning-Tree Features
348
Understanding Port Fast
348
Understanding BPDU Guard
349
Understanding BPDU Filtering
349
Understanding Uplinkfast
350
Understanding Backbonefast
351
Understanding Root Guard
353
Understanding Loop Guard
354
Configuring Optional Spanning-Tree Features
354
Default Optional Spanning-Tree Configuration
355
Optional Spanning-Tree Configuration Guidelines
355
Enabling Port Fast
356
Enabling BPDU Guard
357
Enabling BPDU Filtering
358
Enabling Uplinkfast for Use with Redundant Links
359
Enabling Backbonefast
359
Enabling Root Guard
360
Enabling Loop Guard
361
Displaying the Spanning-Tree Status
361
Chapter 18 Configuring DHCP Features
363
Understanding DHCP Features
363
DHCP Snooping
363
Option-82 Data Insertion
364
Configuring DHCP Features
365
Default DHCP Configuration
365
DHCP Snooping Configuration Guidelines
365
Enabling DHCP Snooping and Option 82
366
Displaying DHCP Information
367
Displaying a Binding Table
367
Displaying the DHCP Snooping Configuration
368
Chapter 19 Configuring IGMP Snooping and MVR
370
Understanding IGMP Snooping
370
IGMP Versions
371
Joining a Multicast Group
371
Leaving a Multicast Group
373
Immediate-Leave Processing
374
IGMP Report Suppression
374
Configuring IGMP Snooping
374
Default IGMP Snooping Configuration
375
Enabling or Disabling IGMP Snooping
375
Setting the Snooping Method
376
Configuring a Multicast Router Port
377
Configuring a Host Statically to Join a Group
378
Enabling IGMP Immediate-Leave Processing
378
Disabling IGMP Report Suppression
379
Displaying IGMP Snooping Information
380
Understanding Multicast VLAN Registration
381
Using MVR in a Multicast Television Application
382
Configuring MVR
383
Default MVR Configuration
384
MVR Configuration Guidelines and Limitations
384
Configuring MVR Global Parameters
385
Configuring MVR Interfaces
386
Displaying MVR Information
388
Configuring IGMP Filtering and Throttling
388
Default IGMP Filtering and Throttling Configuration
389
Configuring IGMP Profiles
390
Applying IGMP Profiles
391
Setting the Maximum Number of IGMP Groups
392
Configuring the IGMP Throttling Action
392
Displaying IGMP Filtering and Throttling Configuration
394
CHAPTER 20 Configuring Port-Based Traffic Control
395
Configuring Storm Control
395
Understanding Storm Control
396
C H a P T E R 20 Configuring Port-Based Traffic Control
397
Default Storm Control Configuration
397
Enabling Storm Control
397
Configuring Protected Ports
399
Default Protected Port Configuration
399
Protected Port Configuration Guidelines
399
Configuring a Protected Port
399
Configuring Port Blocking
400
Default Port Blocking Configuration
400
Blocking Flooded Traffic on an Interface
400
Configuring Port Security
401
Understanding Port Security
401
Secure MAC Addresses
402
Security Violations
403
Default Port Security Configuration
404
Configuration Guidelines
404
Enabling and Configuring Port Security
405
Enabling and Configuring Port Security Aging
408
Displaying Port-Based Traffic Control Settings
409
Chapter 21 Configuring CDP
411
Understanding CDP
411
Configuring CDP
412
Default CDP Configuration
412
Configuring the CDP Characteristics
412
Disabling and Enabling CDP
413
Disabling and Enabling CDP on an Interface
414
Monitoring and Maintaining CDP
415
Chapter 22 Configuring UDLD
417
Understanding UDLD
417
Modes of Operation
417
Methods to Detect Unidirectional Links
418
Configuring UDLD
420
Default UDLD Configuration
420
Configuration Guidelines
420
Enabling UDLD Globally
421
Enabling UDLD on an Interface
422
Resetting an Interface Disabled by UDLD
422
Displaying UDLD Status
423
Chapter 23 Configuring SPAN and RSPAN
425
Understanding SPAN and RSPAN
425
Local SPAN
426
Remote SPAN
426
SPAN and RSPAN Concepts and Terminology
427
SPAN Sessions
427
Monitored Traffic
428
Source Ports
429
Source Vlans
430
VLAN Filtering
430
Destination Port
431
Rspan Vlan
432
SPAN and RSPAN Interaction with Other Features
432
Configuring SPAN and RSPAN
433
Default SPAN and RSPAN Configuration
433
Configuring Local SPAN
434
SPAN Configuration Guidelines
434
Creating a Local SPAN Session
434
Creating a Local SPAN Session and Configuring Ingress Traffic
434
Specifying Vlans to Filter
439
Configuring RSPAN
440
RSPAN Configuration Guidelines
440
Configuring a VLAN as an RSPAN VLAN
441
Creating an RSPAN Source Session
442
Creating an RSPAN Destination Session
443
Creating an RSPAN Destination Session and Configuring Ingress Traffic
444
Specifying Vlans to Filter
446
Displaying SPAN and RSPAN Status
447
Chapter 24 Configuring RMON
449
Understanding RMON
449
Configuring RMON
450
Default RMON Configuration
451
Configuring RMON Alarms and Events
451
Collecting Group History Statistics on an Interface
453
Collecting Group Ethernet Statistics on an Interface
454
Displaying RMON Status
454
Chapter 25 Configuring System Message Logging
455
Understanding System Message Logging
455
Configuring System Message Logging
456
System Log Message Format
456
Default System Message Logging Configuration
457
Disabling Message Logging
458
Setting the Message Display Destination Device
458
Synchronizing Log Messages
459
Enabling and Disabling Time Stamps on Log Messages
461
Enabling and Disabling Sequence Numbers in Log Messages
461
Defining the Message Severity Level
462
Limiting Syslog Messages Sent to the History Table and to SNMP
463
Configuring UNIX Syslog Servers
464
Logging Messages to a UNIX Syslog Daemon
464
Configuring the UNIX System Logging Facility
465
Displaying the Logging Configuration
466
Chapter 26 Configuring SNMP
467
Understanding SNMP
467
SNMP Versions
468
SNMP Manager Functions
469
SNMP Agent Functions
470
SNMP Community Strings
470
Using SNMP to Access MIB Variables
471
SNMP Notifications
471
SNMP Ifindex MIB Object Values
472
Configuring SNMP
472
Default SNMP Configuration
473
SNMP Configuration Guidelines
473
Disabling the SNMP Agent
474
Configuring Community Strings
474
Configuring SNMP Groups and Users
475
Configuring SNMP Notifications
477
Setting the Agent Contact and Location Information
480
Limiting TFTP Servers Used through SNMP
481
SNMP Examples
481
Displaying SNMP Status
482
Chapter 27 Configuring Network Security with Acls
483
Understanding Acls
483
Supported Acls
484
Port Acls
485
Router Acls
486
VLAN Maps
486
Handling Fragmented and Unfragmented Traffic
487
Configuring IP Acls
488
Creating Standard and Extended IP Acls
489
Access List Numbers
489
Creating a Numbered Standard ACL
490
Creating a Numbered Extended ACL
492
Creating Named Standard and Extended Acls
496
Using Time Ranges with Acls
498
Including Comments in Acls
500
Applying an IP ACL to a Terminal Line
500
Applying an IP ACL to an Interface
501
Hardware and Software Treatment of IP Acls
503
IP ACL Configuration Examples
503
Numbered Acls
505
Extended Acls
505
Named Acls
506
Time Range Applied to an IP ACL
506
Commented IP ACL Entries
507
ACL Logging
507
Creating Named MAC Extended Acls
508
Applying a MAC ACL to a Layer 2 Interface
510
Configuring VLAN Maps
511
VLAN Map Configuration Guidelines
511
Creating a VLAN Map
512
Examples of Acls and VLAN Maps
513
Applying a VLAN Map to a VLAN
515
Using VLAN Maps in Your Network
515
Wiring Closet Configuration
515
Denying Access to a Server on Another VLAN
517
Using VLAN Maps with Router Acls
518
Guidelines
518
Examples of Router Acls and VLAN Maps Applied to Vlans
519
Acls and Switched Packets
519
Acls and Bridged Packets
520
Acls and Routed Packets
520
Acls and Multicast Packets
521
Displaying ACL Configuration
522
Chapter 28 Configuring Qos
523
Understanding Qos
523
Basic Qos Model
525
Classification
526
Classification Based on Qos Acls
529
Classification Based on Class Maps and Policy Maps
529
Policing and Marking
530
Mapping Tables
532
Queueing and Scheduling Overview
533
Weighted Tail Drop
533
SRR Shaping and Sharing
534
Queueing and Scheduling on Ingress Queues
535
Queueing and Scheduling on Egress Queues
537
Packet Modification
539
Configuring Auto-Qos
540
Generated Auto-Qos Configuration
540
Effects of Auto-Qos on the Configuration
544
Auto-Qos Configuration Guidelines
544
Enabling Auto-Qos for Voip
545
Auto-Qos Configuration Example
546
Displaying Auto-Qos Information
548
Configuring Standard Qos
548
Default Standard Qos Configuration
549
Default Ingress Queue Configuration
549
Default Egress Queue Configuration
550
Default Mapping Table Configuration
550
Standard Qos Configuration Guidelines
551
Enabling Qos Globally
552
Configuring Classification Using Port Trust States
552
Configuring the Trust State on Ports Within the Qos Domain
553
Configuring the Cos Value for an Interface
555
Configuring a Trusted Boundary to Ensure Port Security
556
Configuring the DSCP Trust State on a Port Bordering Another Qos Domain
557
Configuring a Qos Policy
558
Classifying Traffic by Using Acls
559
Classifying Traffic by Using Class Maps
562
Classifying, Policing, and Marking Traffic by Using Policy Maps
564
Classifying, Policing, and Marking Traffic by Using Aggregate Policers
567
Configuring DSCP Maps
569
Configuring the Cos-To-DSCP Map
569
Configuring the IP-Precedence-To-DSCP Map
570
Configuring the Policed-DSCP Map
571
Configuring the DSCP-To-Cos Map
572
Configuring the DSCP-To-DSCP-Mutation Map
573
Configuring Ingress Queue Characteristics
574
Mapping DSCP or Cos Values to an Ingress Queue and Setting WTD Thresholds
574
Allocating Buffer Space between the Ingress Queues
576
Allocating Bandwidth between the Ingress Queues
577
Configuring the Ingress Priority Queue
578
Configuring Egress Queue Characteristics
579
Configuration Guidelines
579
Allocating Buffer Space to and Setting WTD Thresholds for an Egress Queue-Set
579
Mapping DSCP or Cos Values to an Egress Queue and to a Threshold ID
581
Configuring SRR Shaped Weights on Egress Queues
582
Configuring SRR Shared Weights on Egress Queues
584
Configuring the Egress Expedite Queue
585
Limiting the Bandwidth on an Egress Interface
585
Displaying Standard Qos Information
586
Chapter 29 Configuring Etherchannels
589
Understanding Etherchannels
589
Etherchannel Overview
590
Port-Channel Interfaces
591
Port Aggregation Protocol
592
Pagp Modes
592
Pagp Interaction with Other Features
593
Link Aggregation Control Protocol
593
LACP Modes
594
LACP Interaction with Other Features
594
Load Balancing and Forwarding Methods
594
Configuring Etherchannels
596
Default Etherchannel Configuration
597
Etherchannel Configuration Guidelines
597
Configuring Layer 2 Etherchannels
598
Configuring Layer 3 Etherchannels
600
Creating Port-Channel Logical Interfaces
600
Configuring the Physical Interfaces
601
Configuring Etherchannel Load Balancing
603
Configuring the Pagp Learn Method and Priority
604
Configuring LACP Hot-Standby Ports
605
Configuring the LACP System Priority
606
Configuring the LACP Port Priority
607
Displaying Etherchannel, Pagp, and LACP Status
608
Chapter 30 Configuring IP Unicast Routing
609
Understanding IP Routing
610
Types of Routing
610
Steps for Configuring Routing
611
Configuring IP Addressing
612
Default Addressing Configuration
612
Assigning IP Addresses to Network Interfaces
613
Use of Subnet Zero
614
Classless Routing
614
Configuring Address Resolution Methods
616
Define a Static ARP Cache
616
Set ARP Encapsulation
618
Enable Proxy ARP
618
Routing Assistance When IP Routing Is Disabled
619
Proxy ARP
619
Default Gateway
619
ICMP Router Discovery Protocol (IRDP)
620
Configuring Broadcast Packet Handling
621
Enabling Directed Broadcast-To-Physical Broadcast Translation
621
Forwarding UDP Broadcast Packets and Protocols
622
Establishing an IP Broadcast Address
623
Flooding IP Broadcasts
624
Monitoring and Maintaining IP Addressing
625
Enabling IP Unicast Routing
626
Configuring RIP
627
Default RIP Configuration
627
Configuring Basic RIP Parameters
628
Configuring RIP Authentication
629
Configuring Summary Addresses and Split Horizon
630
Configuring IGRP
631
Default IGRP Configuration
632
Understanding Load Balancing and Traffic Distribution Control
633
Configuring Basic IGRP Parameters
634
Configuring Split Horizon
635
Configuring OSPF
636
Default OSPF Configuration
637
Configuring Basic OSPF Parameters
638
Configuring OSPF Interfaces
639
Configuring OSPF Area Parameters
640
Configuring Other OSPF Parameters
641
Changing LSA Group Pacing
643
Configuring a Loopback Interface
643
Monitoring OSPF
644
Configuring EIGRP
645
Default EIGRP Configuration
646
Configuring Basic EIGRP Parameters
647
Configuring EIGRP Interfaces
648
Configuring EIGRP Route Authentication
649
Monitoring and Maintaining EIGRP
650
Configuring BGP
651
Default BGP Configuration
653
Enabling BGP Routing
655
Managing Routing Policy Changes
657
Configuring BGP Decision Attributes
658
Configuring BGP Filtering with Route Maps
660
Configuring BGP Filtering by Neighbor
661
Configuring Prefix Lists for BGP Filtering
662
Configuring BGP Community Filtering
663
Configuring BGP Neighbors and Peer Groups
665
Configuring Aggregate Addresses
667
Configuring Routing Domain Confederations
667
Configuring BGP Route Reflectors
668
Configuring Route Dampening
669
Monitoring and Maintaining BGP
670
Configuring Protocol-Independent Features
671
Configuring Cisco Express Forwarding
671
Configuring the Number of Equal-Cost Routing Paths
672
Configuring Static Unicast Routes
673
Specifying Default Routes and Networks
674
Using Route Maps to Redistribute Routing Information
675
Configuring Policy-Based Routing
679
PBR Configuration Guidelines
680
Enabling PBR
680
Filtering Routing Information
682
Setting Passive Interfaces
682
Controlling Advertising and Processing in Routing Updates
683
Filtering Sources of Routing Information
683
Managing Authentication Keys
684
Monitoring and Maintaining the IP Network
685
Chapter 31 Configuring HSRP
687
Understanding HSRP
687
Configuring HSRP
689
Default HSRP Configuration
690
HSRP Configuration Guidelines
690
Enabling HSRP
691
Configuring HSRP Group Attributes
692
Configuring HSRP Priority
692
Configuring HSRP Authentication and Timers
694
Configuring HSRP Groups and Clustering
695
Displaying HSRP Configurations
696
Chapter 32 Configuring IP Multicast Routing
697
Understanding Cisco's Implementation of IP Multicast Routing
698
Understanding IGMP
698
IGMP Version 1
699
Understanding PIM
699
IGMP Version 2
699
PIM Versions
700
PIM Modes
700
Auto-RP
701
Bootstrap Router
701
Multicast Forwarding and Reverse Path Check
702
Understanding DVMRP
703
Understanding CGMP
703
Configuring IP Multicast Routing
704
Default Multicast Routing Configuration
704
Multicast Routing Configuration Guidelines
704
Pimv1 and Pimv2 Interoperability
704
Auto-RP and BSR Configuration Guidelines
705
Configuring Basic Multicast Routing
706
Configuring a Rendezvous Point
707
Manually Assigning an RP to Multicast Groups
707
Configuring Auto-RP
709
Configuring Pimv2 BSR
713
Using Auto-RP and a BSR
717
Monitoring the RP Mapping Information
718
Troubleshooting Pimv1 and Pimv2 Interoperability Problems
718
Configuring Advanced PIM Features
718
Understanding PIM Shared Tree and Source Tree
718
Delaying the Use of PIM Shortest-Path Tree
720
Modifying the PIM Router-Query Message Interval
721
Configuring Optional IGMP Features
722
Default IGMP Configuration
722
Configuring the Switch as a Member of a Group
722
Controlling Access to IP Multicast Groups
723
Changing the IGMP Version
724
Modifying the IGMP Host-Query Message Interval
725
Changing the IGMP Query Timeout for Igmpv2
726
Changing the Maximum Query Response Time for Igmpv2
726
Configuring the Switch as a Statically Connected Member
727
Configuring Optional Multicast Routing Features
727
Enabling CGMP Server Support
728
Configuring Sdr Listener Support
729
Enabling Sdr Listener Support
729
Limiting How Long an Sdr Cache Entry Exists
730
Configuring an IP Multicast Boundary
730
Configuring Basic DVMRP Interoperability Features
732
Configuring DVMRP Interoperability
732
Configuring a DVMRP Tunnel
734
Advertising Network 0.0.0.0 to DVMRP Neighbors
736
Responding to Mrinfo Requests
737
Configuring Advanced DVMRP Interoperability Features
737
Enabling DVMRP Unicast Routing
738
Rejecting a DVMRP Nonpruning Neighbor
738
Controlling Route Exchanges
741
Limiting the Number of DVMRP Routes Advertised
741
Changing the DVMRP Route Threshold
741
Configuring a DVMRP Summary Address
742
Disabling DVMRP Autosummarization
744
Adding a Metric Offset to the DVMRP Route
744
Monitoring and Maintaining IP Multicast Routing
745
Clearing Caches, Tables, and Databases
746
Displaying System and Network Statistics
746
Monitoring IP Multicast Routing
747
Chapter 33 Configuring MSDP
749
Understanding MSDP
749
MSDP Operation
750
MSDP Benefits
751
Configuring MSDP
752
Default MSDP Configuration
752
Configuring a Default MSDP Peer
752
Caching Source-Active State
754
Requesting Source Information from an MSDP Peer
756
Controlling Source Information that Your Switch Originates
757
Redistributing Sources
757
Filtering Source-Active Request Messages
759
Controlling Source Information that Your Switch Forwards
760
Using a Filter
760
Using TTL to Limit the Multicast Data Sent in SA Messages
762
Controlling Source Information that Your Switch Receives
762
Configuring an MSDP Mesh Group
764
Shutting down an MSDP Peer
764
Including a Bordering PIM Dense-Mode Region in MSDP
765
Configuring an Originating Address Other than the RP Address
766
Monitoring and Maintaining MSDP
767
Chapter 34 Configuring Fallback Bridging
769
Understanding Fallback Bridging
769
Configuring Fallback Bridging
770
Default Fallback Bridging Configuration
771
Fallback Bridging Configuration Guidelines
771
Creating a Bridge Group
771
Adjusting Spanning-Tree Parameters
773
Changing the VLAN-Bridge Spanning-Tree Priority
774
Changing the Interface Priority
774
Assigning a Path Cost
775
Adjusting BPDU Intervals
776
Disabling the Spanning Tree on an Interface
778
Monitoring and Maintaining Fallback Bridging
778
Chapter 35 Troubleshooting
779
Recovering from Corrupted Software by Using the XMODEM Protocol
780
Recovering from a Lost or Forgotten Password
782
Procedure with Password Recovery Enabled
783
Procedure with Password Recovery Disabled
784
Recovering from a Command Switch Failure
786
Replacing a Failed Command Switch with a Cluster Member
786
Replacing a Failed Command Switch with Another Switch
788
Recovering from Lost Cluster Member Connectivity
789
Preventing Autonegotiation Mismatches
790
Troubleshooting Power over Ethernet Switch Ports
790
SFP Module Security and Identification
790
Using Ping
791
Understanding Ping
791
Executing Ping
791
Using Layer 2 Traceroute
792
Understanding Layer 2 Traceroute
792
Usage Guidelines
793
Displaying the Physical Path
794
Using IP Traceroute
794
Understanding IP Traceroute
794
Executing IP Traceroute
795
Using Debug Commands
796
Enabling Debugging on a Specific Feature
796
Enabling All-System Diagnostics
797
Redirecting Debug and Error Message Output
797
Using the Show Platform Forward Command
797
Using the Crashinfo File
800
Appendix
801
Supported Mibs
801
MIB List
801
Appendix A Supported MIB
802
MIB List
802
Using FTP to Access the MIB Files
803
Appendix
805
Working with the Cisco IOS File System, Configuration Files, and Software Images
805
Working with the Flash File System
805
Displaying Available File Systems
806
A P P E N D I X B Working with the Cisco IOS File System, Configuration Files, and Software Images
807
Setting the Default File System
807
Displaying Information about Files on a File System
807
Changing Directories and Displaying the Working Directory
807
Creating and Removing Directories
808
Copying Files
808
Deleting Files
809
Creating, Displaying, and Extracting Tar Files
809
Creating a Tar File
810
Displaying the Contents of a Tar File
810
Extracting a Tar File
811
Displaying the Contents of a File
812
Guidelines for Creating and Using Configuration Files
812
Configuration File Types and Location
812
Creating a Configuration File by Using a Text Editor
812
Copying Configuration Files by Using TFTP
812
Working with Configuration Files
812
Preparing to Download or Upload a Configuration File by Using TFTP
814
Downloading the Configuration File by Using TFTP
814
Uploading the Configuration File by Using TFTP
814
Copying Configuration Files by Using FTP
816
Preparing to Download or Upload a Configuration File by Using FTP
817
Downloading a Configuration File by Using FTP
817
Uploading a Configuration File by Using FTP
819
Copying Configuration Files by Using RCP
820
Preparing to Download or Upload a Configuration File by Using RCP
820
Downloading a Configuration File by Using RCP
820
Uploading a Configuration File by Using RCP
820
Clearing Configuration Information
823
Clearing the Startup Configuration File
823
Deleting a Stored Configuration File
823
Working with Software Images
824
Image Location on the Switch
824
Tar File Format of Images on a Server or Cisco.com
824
Copying Image Files by Using TFTP
824
Preparing to Download or Upload an Image File by Using TFTP
826
Downloading an Image File by Using TFTP
826
Uploading an Image File by Using TFTP
826
Copying Image Files by Using FTP
829
Preparing to Download or Upload an Image File by Using FTP
829
Downloading an Image File by Using FTP
829
Uploading an Image File by Using FTP
829
Copying Image Files by Using RCP
833
Preparing to Download or Upload an Image File by Using RCP
833
Downloading an Image File by Using RCP
833
Uploading an Image File by Using RCP
833
Appendix
839
Unsupported Commands in Cisco IOS Release 12.1(19)EA1
839
Access Control Lists
839
Unsupported Privileged EXEC Commands
839
Unsupported Global Configuration Commands
839
ARP Commands
840
Unsupported Global Configuration Commands
840
Unsupported Interface Configuration Commands
840
Unsupported Debug Commands
840
Fallback Bridging
840
Unsupported Privileged EXEC Commands
840
Unsupported Interface Configuration Commands
841
Hsrp
842
Unsupported Global Configuration Commands
842
Unsupported Interface Configuration Commands
842
IGMP Snooping Commands
842
Interface Commands
842
Unsupported Privileged EXEC Commands
842
Unsupported Interface Configuration Commands
843
IP Multicast Routing
843
Unsupported Privileged EXEC Commands
843
Unsupported Global Configuration Commands
843
Unsupported Interface Configuration Commands
844
IP Unicast Routing
844
Unsupported Privileged EXEC or User EXEC Commands
844
Unsupported Global Configuration Commands
845
Unsupported Interface Configuration Commands
845
Unsupported BGP Router Configuration Commands
846
Unsupported VPN Configuration Commands
846
Unsupported Route Map Commands
846
Msdp
847
Unsupported Privileged EXEC Commands
847
Unsupported Global Configuration Commands
847
Network Address Translation (NAT) Commands
847
Unsupported User EXEC Commands
847
Unsupported Interface Configuration Commands
847
Radius
848
Unsupported Global Configuration Commands
848
Snmp
848
Spanning Tree
848
Unsupported Interface Configuration Commands
848
Vlan
848
Unsupported Vlan-Config Commands
848
Unsupported User EXEC Commands
849
Vtp
849
Unsupported Privileged EXEC Commands
849
Miscellaneous
849
Unsupported Global Configuration Commands
849
I N D E X
851
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