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39-25
Software Configuration Guide—Release 12.2(25)EW
OL-6696-01
Chapter
39 Configuring SPAN
and RSPAN
Displaying
SPAN and RS
PAN Sta
tus
Source VLANs:
RX Only: None
TX Only: None
Both: None
Source RSPAN VLAN: None
Destination Ports: None
Encapsulation: DOT1Q
Ingress:Enabled, default VLAN=5
Filter VLANs: None
Dest RSPAN VLAN: None
Ingress : Enabled, default VLAN=2
Learning : Disabled
558
560
Table of Contents
Default Chapter
3
Table of Contents
3
Related Documentation
23
Obtaining Documentation
25
Ordering Documentation
25
Documentation Feedback
26
Obtaining Technical Assistance
26
Cisco Technical Support Website
26
Submitting a Service Request
27
Definitions of Service Request Severity
27
Obtaining Additional Publications and Information
27
Layer 2 Software Features
29
Chapter 1 Product Overview
30
Q and Layer 2 Protocol Tunneling
30
Storm Control
30
DHCP Snooping
30
Etherchannel Bundles
31
IP Source Guard
31
Jumbo Frames
31
Layer 2 Traceroute
31
Pvrst+
32
Spanning Tree Protocol
32
Udld
33
Unidirectional Ethernet
33
Vlans
33
Layer 3 Software Features
34
Hsrp
34
IP Routing Protocols
34
Multicast Services
37
Network Security with Acls
37
Policy-Based Routing
38
Qos Features
38
Unidirectional Link Routing
38
VRF-Lite
38
Management and Security Features
39
Accessing the Switch CLI
43
Accessing the CLI Using the EIA/TIA-232 Console Interface
43
Accessing the CLI through Telnet
44
Chapter 2 Command-Line Interface
45
Performing Command-Line Processing
45
Performing History Substitution
45
Understanding Cisco IOS Command Modes
46
Getting a List of Commands and Syntax
47
ROMMOM Command-Line Interface
48
Default Switch Configuration
49
Configuring DHCP-Based Autoconfiguration
50
Understanding DHCP-Based Autoconfiguration
50
Chapter 3 Configuring the Switch for the First Time
51
DHCP Client Request Process
51
Configuring the DHCP Server
51
Configuring the TFTP Server
52
Configuring the DNS Server
53
Configuring the Relay Device
53
Obtaining Configuration Files
54
Example Configuration
55
Configuring the Switch
56
Using Configuration Mode to Configure Your Switch
57
Checking the Running Configuration Settings
57
Saving the Running Configuration Settings to Your Start-Up File
58
Reviewing the Configuration in NVRAM
58
Configuring a Default Gateway
59
Configuring a Static Route
59
Controlling Access to Privileged EXEC Commands
61
Setting or Changing a Static Enable Password
61
Using the Enable Password and Enable Secret Commands
62
Setting or Changing a Privileged Password
62
Setting TACACS+ Password Protection for Privileged EXEC Mode
63
Encrypting Passwords
63
Configuring Multiple Privilege Levels
64
Recovering a Lost Enable Password
66
Modifying the Supervisor Engine Startup Configuration
66
Configuring the Software Configuration Register
67
Specifying the Startup System Image
71
Controlling Environment Variables
72
Overview of Interface Configuration
73
Using the Interface Command
74
Chapter 4 Configuring Interface
75
Configuring a Range of Interfaces
76
Defining and Using Interface-Range Macros
77
Configuring Optional Interface Features
78
Configuring Ethernet Interface Speed and Duplex Mode
79
Adding a Description for an Interface
81
Configuring Jumbo Frame Support
82
Interacting with the Baby Giants Feature
84
Understanding Online Insertion and Removal
85
Monitoring and Maintaining the Interface
85
Monitoring Interface and Controller Status
85
Clearing and Resetting the Interface
86
Shutting down and Restarting an Interface
86
CHAPTER 5 Checking Port Status and Connectivity
89
Checking Module Status
89
Checking Interfaces Status
90
C H a P T E R 5 Checking Port Status and Connectivity
91
Checking MAC Addresses
91
Using Telnet
91
Changing the Logout Timer
92
Monitoring User Sessions
92
Using Ping
93
Understanding How Ping Works
93
Running Ping
94
Using IP Traceroute
95
Understanding How IP Traceroute Works
95
Running IP Traceroute
95
Using Layer 2 Traceroute
96
Understanding Layer 2 Traceroute
96
Layer 2 Traceroute Usage Guidelines
96
Running Layer 2 Traceroute
97
Configuring ICMP
98
Enabling ICMP Protocol Unreachable Messages
98
Enabling ICMP Redirect Messages
99
Enabling ICMP Mask Reply Messages
99
C H a P T E R 6 Configuring Supervisor Engine Redundancy Using RPR and SSO
102
CHAPTER 6 Configuring Supervisor Engine Redundancy Using RPR and SSO
102
Understanding Cisco IOS NSF-Awareness Support
102
Understanding Supervisor Engine Redundancy
103
Overview
103
RPR Operation
104
SSO Operation
104
Understanding Supervisor Engine Redundancy Synchronization
106
RPR Supervisor Engine Configuration Synchronization
106
SSO Supervisor Engine Configuration Synchronization
107
Supervisor Engine Redundancy Guidelines and Restrictions
107
Configuring Supervisor Engine Redundancy
108
Configuring Redundancy
108
Synchronizing the Supervisor Engine Configurations
110
Performing a Manual Switchover
111
Performing a Software Upgrade
112
Manipulating Bootflash on the Redundant Supervisor Engine
114
Chapter 7 Environmental Monitoring and Power Management
115
Understanding Environmental Monitoring
115
Using CLI Commands to Monitor Your Environment
116
System Alarms
116
Power Management
117
Power Management for the Catalyst 4948 Switches
117
Power Management for the Catalyst 4500 Series Switches
118
Power Management for the Catalyst 4006 Switch
126
Power Consumption of Chassis Components
129
Powering down a Module
129
Chapter 8 Configuring Power over Ethernet
131
Power Management Modes
131
Configuring Power Consumption for Powered Devices on an Interface
133
Displaying the Operational Status for an Interface
136
Displaying the Poe Consumed by a Module
137
CHAPTER 9 Configuring Switches with Web-Based Tools
143
Configuring and Using the Network Assistant
143
C H a P T E R 9 Configuring Switches with Web-Based Tools
144
Installation Requirements
144
Software and Hardware Requirements
144
Understanding How the Network Assistant Works
144
Installing the Network Assistant
145
Network Assistant-Related Default Configuration
145
Configuring the Cisco Device for Use with Network Assistant
146
Overview of the CLI Commands
146
Displaying the Network Assistant-Related Configuration
151
Connecting Network Assistant to a Device
152
Launching the Network Assistant
152
Clustering Switches
152
Understanding Switch Clusters
153
Using the CLI to Manage Switch Clusters
155
Configuring Embedded Ciscoview Support
155
Understanding Embedded Ciscoview
155
Installing and Configuring Embedded Ciscoview
156
Displaying Embedded Ciscoview Information
158
Chapter 10 Understanding and Configuring Vlans
161
Overview of Vlans
161
VLAN Configuration Guidelines and Restrictions
163
VLAN Ranges
163
Configurable Normal-Range VLAN Parameters
164
VLAN Default Configuration
164
Configuring Vlans
164
Configuring Vlans in Global Configuration Mode
165
Configuring Vlans in VLAN Database Mode
167
Assigning a Layer 2 LAN Interface to a VLAN
168
CHAPTER 11 Configuring Dynamic VLAN Membership
169
Understanding VMPS
169
VMPS Server Overview
169
C H a P T E R 11 Configuring Dynamic VLAN Membership
170
Security Modes for VMPS Server
170
Fall-Back VLAN
171
Illegal VMPS Client Requests
171
Understanding VMPS Clients
172
Dynamic VLAN Membership Overview
172
Default VMPS Client Configuration
172
Configuring a Switch as a VMPS Client
173
Reconfirming Vlan Memberships
175
Administering and Monitoring the VMPS
176
Troubleshooting Dynamic Port VLAN Membership
177
CHAPTER 12 Configuring Layer 2 Ethernet Interfaces 12-1
179
Overview of Layer 2 Ethernet Switching
179
Understanding Layer 2 Ethernet Switching
179
C H a P T E R 12 Configuring Layer 2 Ethernet Interfaces
180
Understanding VLAN Trunks
181
Layer 2 Interface Modes
182
Default Layer 2 Ethernet Interface Configuration
182
Layer 2 Interface Configuration Guidelines and Restrictions
183
Configuring Ethernet Interfaces for Layer 2 Switching
183
Configuring an Ethernet Interface as a Layer 2 Trunk
184
Configuring an Interface as a Layer 2 Access Port
186
Clearing Layer 2 Configuration
187
Chapter 13 Configuring Smartport Macros
189
Understanding Smartport Macros
189
Configuring Smart-Port Macros
190
Default Smartport Macro Configuration
190
Smartport Macro Configuration Guidelines
192
Creating and Applying Smartport Macros
192
Displaying Smartport Macros
196
Chapter 14 Understanding and Configuring STP
197
Overview of STP
197
Understanding the Bridge ID
198
Bridge Protocol Data Units
199
Election of the Root Bridge
200
STP Timers
200
Creating the STP Topology
200
STP Port States
201
MAC Address Allocation
201
STP and IEEE 802.1Q Trunks
202
Per-VLAN Rapid Spanning Tree
202
Default STP Configuration
202
Configuring STP
203
Enabling STP
203
Enabling the Extended System ID
204
Configuring the Root Bridge
205
Configuring a Secondary Root Switch
208
Configuring STP Port Priority
209
The Configuration
210
Configuring STP Port Cost
211
Configuring the Bridge Priority of a VLAN
212
Configuring the Hello Time
213
Configuring the Maximum Aging Time for a VLAN
214
Configuring the Forward-Delay Time for a VLAN
214
Disabling Spanning Tree Protocol
215
Enabling Per-VLAN Rapid Spanning Tree
216
Specifying the Link Type
217
Configuring Stp Features
219
Chapter 15 Configuring STP Feature
220
Overview of Root Guard
220
Overview of Loop Guard
220
Overview of Portfast
221
Overview of BPDU Guard
222
Overview of Portfast BPDU Filtering
222
Overview of Uplinkfast
223
Overview of Backbonefast
224
Enabling Root Guard
226
Enabling Loop Guard
227
Enabling Portfast
229
Enabling BPDU Guard
230
Enabling Portfast BPDU Filtering
230
Enabling Uplinkfast
232
Enabling Backbonefast
233
CHAPTER 16 Understanding and Configuring Multiple Spanning Trees
235
Overview of MST
235
C H a P T E R 16 Understanding and Configuring Multiple Spanning Trees
236
IEEE 802.1S MST
236
IEEE 802.1W RSTP
237
MST-To-SST Interoperability
238
Common Spanning Tree
239
MST Configuration Parameters
239
MST Instances
239
MST Regions
240
Message Age and Hop Count
241
MST-To-PVST+ Interoperability
242
MST Configuration Restrictions and Guidelines
242
Configuring MST
243
Enabling MST
243
Configuring MST Instance Parameters
245
Configuring MST Instance Port Parameters
246
Restarting Protocol Migration
246
Displaying MST Configurations
247
CHAPTER 17 Understanding and Configuring Etherchannel
251
Overview of Etherchannel
251
C H a P T E R 17 Understanding and Configuring Etherchannel
252
Understanding How Etherchannels Are Configured
252
Understanding Port-Channel Interfaces
252
Understanding Load Balancing
255
Etherchannel Configuration Guidelines and Restrictions
255
Configuring Etherchannel
256
Configuring Layer 3 Etherchannels
256
Configuring Layer 2 Etherchannels
259
Configuring the LACP System Priority and System ID
261
Configuring Etherchannel Load Balancing
262
Removing an Interface from an Etherchannel
263
Removing an Etherchannel
264
CHAPTER 18 Configuring IGMP Snooping and Filtering
265
Overview of IGMP Snooping
265
C H a P T E R 18 Configuring IGMP Snooping and Filtering
266
Explicit Host Tracking
267
Immediate-Leave Processing
267
Configuring IGMP Snooping
268
Default IGMP Snooping Configuration
268
Enabling IGMP Snooping
269
Configuring Learning Methods
270
Configuring a Multicast Router Port Statical
271
Enabling IGMP Immediate-Leave Processing
271
Configuring Explicit Host Tracking
272
Configuring a Host Statically
272
Suppressing Multicast Flooding
273
Displaying IGMP Snooping Information
275
Displaying Querier Information
276
Displaying IGMP Host Membership Information
276
Displaying Group Information
277
Displaying Multicast Router Interfaces
278
Displaying MAC Address Multicast Entries
279
Displaying IGMP Snooping Information on a VLAN Interface
279
Configuring IGMP Filtering
280
Default IGMP Filtering Configuration
281
Configuring IGMP Profiles
281
Applying IGMP Profiles
282
Setting the Maximum Number of IGMP Groups
283
Displaying IGMP Filtering Configuration
284
Chapter 19 Configuring 802.1Q and Layer 2 Protocol Tunneling
287
Understanding 802.1Q Tunneling
287
Configuring 802.1Q Tunneling
290
802.1Q Tunneling Configuration Guidelines
290
802.1Q Tunneling and Other Features
291
Configuring an 802.1Q Tunneling Port
292
Understanding Layer 2 Protocol Tunneling
293
Configuring Layer 2 Protocol Tunneling
295
Default Layer 2 Protocol Tunneling Configuration
295
Layer 2 Protocol Tunneling Configuration Guidelines
296
Configuring Layer 2 Tunneling
296
Monitoring and Maintaining Tunneling Status
298
Chapter 20 Understanding and Configuring CDP
299
Overview of CDP
299
Configuring CDP
300
Enabling CDP Globally
300
Displaying the CDP Global Configuration
300
Enabling CDP on an Interface
301
Displaying the CDP Interface Configuration
301
Monitoring and Maintaining CDP
301
Chapter 21 Configuring UDLD
303
Overview of UDLD
303
Default UDLD Configuration
304
Configuring UDLD on the Switch
304
Enabling UDLD Globally
305
Enabling UDLD on Individual Interfaces
305
Disabling UDLD on Nonfiber-Optic Interfaces
305
Disabling UDLD on Fiber-Optic Interfaces
306
Resetting Disabled Interfaces
306
Chapter 22 Configuring Unidirectional Ethernet
307
Overview of Unidirectional Ethernet
307
Configuring Unidirectional Ethernet
307
Chapter 23 Configuring Layer 3 Interfaces
311
Overview of Layer 3 Interfaces
311
Logical Layer 3 VLAN Interfaces
312
Physical Layer 3 Interfaces
312
Configuration Guidelines
313
Configuring Logical Layer 3 VLAN Interfaces
313
Configuring Physical Layer 3 Interfaces
314
Configuring Physical Layer 3 Interfaces
315
Chapter 24 Configuring Cisco Express Forwarding
317
Overview of CEF
317
Benefits of CEF
317
Forwarding Information Base
318
Adjacency Tables
318
Catalyst 4500 Series Switch Implementation of CEF
319
Hardware and Software Switching
320
Load Balancing
322
Software Interfaces
322
CEF Configuration Restrictions
322
Configuring CEF
322
Enabling CEF
322
Configuring Load Balancing for CEF
323
Monitoring and Maintaining CEF
324
Displaying IP Statistics
324
Chapter 25 Understanding and Configuring IP Multicast
327
Overview of IP Multicast
327
IP Multicast Protocols
328
IP Multicast on the Catalyst 4500 Series Switch
330
Unsupported Features
338
Configuring IP Multicast Routing
338
Default Configuration in IP Multicast Routing
339
Enabling IP Multicast Routing
339
Enabling PIM on an Interface
339
Enabling Dense Mode
340
Enabling Sparse Mode
340
Monitoring and Maintaining IP Multicast Routing
341
Displaying System and Network Statistics
341
Displaying the Multicast Routing Table
342
Displaying IP MFIB
344
Displaying IP MFIB Fast Drop
345
Displaying PIM Statistics
346
Clearing Tables and Databases
346
Configuration Examples
347
PIM Dense Mode Example
347
PIM Sparse Mode Example
347
BSR Configuration Example
347
Chapter 26 Configuring Policy-Based Routing
349
Overview of Policy-Based Routing
349
Understanding PBR
350
Understanding PBR Flow Switching
350
Using Policy-Based Routing
350
Policy-Based Routing Configuration Task List
351
Enabling PBR
351
Enabling Local PBR
353
Unsupported Commands
353
Policy-Based Routing Configuration Examples
353
Equal Access Example
353
Differing Next Hops Example
354
Deny ACE Example
354
Chapter 27 Understanding and Configuring VTP
355
Configuration Guidelines
355
Overview of VTP
355
Understanding the VTP Domain
356
Understanding VTP Modes
356
Understanding VTP Advertisements
357
Understanding VTP Version 2
357
Understanding VTP Pruning
357
VTP Configuration Guidelines and Restrictions
359
VTP Default Configuration
359
Configuring VTP
360
Configuring VTP Global Parameters
360
Configuring the Switch as a VTP Server
361
Configuring the Switch as a VTP Client
362
Disabling VTP (VTP Transparent Mode)
363
Displaying VTP Statistics
364
Chapter 28 Configuring VRF-Lite
365
Understanding VRF-Lite
366
Default VRF-Lite Configuration
367
VRF-Lite Configuration Guidelines
368
Configuring Vrfs
369
Configuring a VPN Routing Session
369
Configuring BGP PE to CE Routing Sessions
370
VRF-Lite Configuration Example
371
Configuring Switch S8
372
Configuring Switch S20
373
Configuring Switch S11
374
Configuring the PE Switch S3
374
Displaying VRF-Lite Status
375
Chapter 29 Configuring Qos
377
Overview of Qos
377
Prioritization
378
Qos Terminology
379
Basic Qos Model
381
Classification
381
Policing and Marking
385
Mapping Tables
389
Queueing and Scheduling
389
Packet Modification
391
Qos and Software Processed Packets
391
Configuring Auto-Qos
392
Generated Auto-Qos Configuration
392
Effects of Auto-Qos on the Configuration
393
Configuration Guidelines
393
Enabling Auto-Qos for Voip
394
Displaying Auto-Qos Information
395
Auto-Qos Configuration Example
396
Configuring Qos
398
Default Qos Configuration
398
Configuration Guidelines
400
Enabling Qos Globally
400
Configuring a Trusted Boundary to Ensure Port Security
400
Enabling Dynamic Buffer Limiting
402
Creating Named Aggregate Policers
402
Configuring a Qos Policy
404
Configuring a Policy Map
406
Configuring User Based Rate Limiting
411
Enabling or Disabling Qos on an Interface
415
Configuring VLAN-Based Qos on Layer 2 Interfaces
415
Configuring the Trust State of Interfaces
416
Configuring the Cos Value for an Interface
417
Configuring DSCP Values for an Interface
418
Configuring Transmit Queues
419
Configuring DSCP Maps
421
Chapter 30 Configuring Voice Interfaces
425
Overview of Voice Interfaces
425
Configuring a Port to Connect to a Cisco 7690 IP Phone
426
Configuring Voice Ports for Voice and Data Traffic
426
Overriding the Cos Priority of Incoming Frames
427
Configuring Inline Power
428
Chapter 31 Understanding and Configuring 802.1X Port-Based Authentication
429
Understanding 802.1X Port-Based Authentication
429
Device Roles
430
Authentication Initiation and Message Exchange
431
Ports in Authorized and Unauthorized States
432
Using 802.1X with VLAN Assignment
433
Using 802.1X Authentication for Guest Vlans
434
Using 802.1X with Port Security
434
802.1X RADIUS Accounting
435
Using 802.1X with Voice VLAN Ports
438
Supported Topologies
438
How to Configure 802.1X
439
Default 802.1X Configuration
440
802.1X Configuration Guidelines
441
Enabling 802.1X Authentication
441
Configuring Switch-To-RADIUS-Server Communication
443
Enabling 802.1X Accounting
444
Configuring 802.1X with Guest Vlans
445
Configuring 802.1X with Voice VLAN
446
Enabling Periodic Reauthentication
446
Manually Reauthenticating a Client Connected to a Port
447
Changing the Quiet Period
447
Changing the Switch-To-Client Retransmission Time
448
Setting the Switch-To-Client Frame-Retransmission Number
449
Enabling Multiple Hosts
449
Resetting the 802.1X Configuration to the Default Values
450
Displaying 802.1X Statistics and Status
450
Chapter 32 Configuring Port Security
451
Overview of Port Security
451
Default Port Security Configuration
453
Port Security Guidelines and Restrictions
453
Configuring Port Security
453
Configuring Port Security on an Interface
454
Configuring Port Security Aging
456
Displaying Port Security Settings
457
Chapter 33 Configuring DHCP Snooping and IP Source Guard
459
Overview of DHCP Snooping
459
Overview of the DHCP Snooping Database Agent
460
Configuring DHCP Snooping on the Switch
461
Default Configuration for DHCP Snooping
461
Enabling DHCP Snooping
462
Enabling DHCP Snooping on Private VLAN
463
Enabling the DHCP Snooping Database Agent
464
Configuration Examples for the Database Agent
464
Displaying DHCP Snooping Information
467
Displaying a Binding Table
468
Displaying the DHCP Snooping Configuration
468
Overview of IP Source Guard
468
Configuring IP Source Guard on the Switch
469
Configuring IP Source Guard on Private Vlans
470
Displaying IP Source Guard Information
471
Displaying IP Source Binding Information
472
Chapter 34 Understanding and Configuring Dynamic ARP Inspection
473
Overview of Dynamic ARP Inspection
473
ARP Cache Poisoning
474
Dynamic ARP Inspection
474
Interface Trust State, Security Coverage and Network Configuration
475
Relative Priority of Static Bindings and DHCP Snooping Entries
476
Logging of Denied Packets
476
Rate Limiting of ARP Packets
476
Port Channels and Their Behavior
476
Configuring Dynamic ARP Inspection
477
Scenario One: Two Switches Support Dynamic ARP Inspection
477
Scenario Two: One Switch Supports Dynamic ARP Inspection
481
Chapter 35 Configuring Network Security with Acls
483
Understanding Acls
483
ACL Overview
484
Supported Features that Use Acls
484
Router Acls
485
Port Acls
486
VLAN Maps
487
Hardware and Software ACL Support
487
TCAM Programming and Acls
488
Layer 4 Operators in Acls
489
Restrictions for Layer 4 Operations
490
Configuration Guidelines for Layer 4 Operations
490
How ACL Processing Impacts CPU
491
Configuring Unicast MAC Address Filtering
493
Configuring Named MAC Extended Acls
493
Configuring VLAN Maps
494
VLAN Map Configuration Guidelines
495
Creating and Deleting VLAN Maps
495
Examples of Acls and Vlan Maps
496
Applying a VLAN Map to a VLAN
498
Using VLAN Maps in Your Network
498
Denying Access to a Server on Another Vlan
500
Displaying VLAN Access Map Information
501
Using VLAN Maps with Router Acls
501
Guidelines for Using Router Acls and VLAN Maps
502
Examples of Router Acls and VLAN Maps Applied to Vlans
502
Configuring Pacls
504
Creating a PACL
504
PACL Configuration Guidelines
505
Configuring IP and MAC Acls on a Layer 2 Interface
505
Using PACL with Access-Group Mode
506
Configuring Access-Group Mode on Layer 2 Interface
506
Applying Acls to a Layer 2 Interface
507
Displaying an ACL Configuration on a Layer 2 Interface
507
Using PACL with VLAN Maps and Router Acls
508
Chapter 36 Configuring Private Vlans
511
Overview of Pvlans
511
PVLAN Trunks
512
Pvlans and VLAN Acl/Qos
512
How to Configure Pvlans
513
PVLAN Configuration Guidelines and Restrictions
513
Configuring a VLAN as a PVLAN
515
Associating a Secondary VLAN with a Primary VLAN
516
Configuring a Layer 2 Interface as a PVLAN Promiscuous Port
517
Configuring a Layer 2 Interface as a PVLAN Host Port
518
Configuring a Layer 2 Interface as a PVLAN Trunk Port
519
Permitting Routing of Secondary VLAN Ingress Traffic
521
Chapter 37 Port Unicast and Multicast Flood Blocking
523
Overview of Flood Blocking
523
Configuring Port Blocking
523
Blocking Flooded Traffic on an Interface
524
Resuming Normal Forwarding on a Port
525
Chapter 38 Configuring Port-Based Traffic Control
527
Overview of Storm Control
527
Hardware-Based Storm Control Implementation
528
Software-Based Storm Control Implementation
528
Enabling Storm Control
529
Disabling Storm Control
530
Displaying Storm Control
530
Multicast Storm Control
532
Multicast Suppression on the WS-X4516 Supervisor Engine
532
Multicast Suppression on the WS-X4515, WS-X4014, and WS-X4013+ Supervisor Engines
533
Chapter 39 Configuring SPAN and RSPAN
535
Overview of SPAN and RSPAN
535
SPAN and RSPAN Concepts and Terminology
537
SPAN and RSPAN Session Limits
540
Default SPAN and RSPAN Configuration
540
Configuring SPAN
540
SPAN Configuration Guidelines and Restrictions
541
Configuring SPAN Sources
542
Configuring SPAN Destinations
543
Monitoring Source Vlans on a Trunk Interface
543
Configuration Scenario
544
Verifying a SPAN Configuration
544
CPU Port Sniffing
544
Encapsulation Configuration
546
Ingress Packets
546
Access List Filtering
547
ACL Configuration Guidelines
547
Configuring Access List Filtering
548
Packet Type Filtering
548
Configuration Example
549
Configuring RSPAN
550
RSPAN Configuration Guidelines
550
Creating an RSPAN Session
551
Creating an RSPAN Destination Session
552
Creating an RSPAN Destination Session and Enabling Ingress Traffic
553
Removing Ports from an RSPAN Session
555
Specifying Vlans to Monitor
556
Specifying Vlans to Filter
557
Displaying SPAN and RSPAN Status
558
Chapter 40 Configuring Netflow Statistics Collection
561
Overview of Netflow Statistics Collection
561
Information Derived from Hardware
563
Information Derived from Software
564
Determining the Input and Output Interface and as Numbers
564
Feature Interaction of Netflow Statistics with UBRL and Microflow Policing
565
VLAN Statistics
565
Configuring Netflow Statistics Collection
566
Checking for Required Hardware
566
Enabling Netflow Statistics Collection
567
Exporting Netflow Statistics
568
Managing Netflow Statistics Collection
568
Configuring an Aggregation Cache
568
Configuring a Netflow Minimum Prefix Mask for Router-Based Aggregation
569
Configuring Netflow Aging Parameters
571
Netflow Statistics Collection Configuration Example
571
Netflow Configuration Examples
573
Sample Netflow Enabling Schemes
573
Sample Netflow Aggregation Configurations
573
Sample Netflow Minimum Prefix Mask Router-Based Aggregation Schemes
574
Appendix
577
A Acronyms
577
Appendix A Acronym
578
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Cisco 4500M Specifications
General
Brand
Cisco
Model
4500M
Category
Network Router
Language
English
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