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56-5
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 5
6 Using the Top N Uti
lity
Using the Top N Utility
Ti
p
For
additional info
rmation (in
cluding conf
igurat
ion examples a
nd troublesho
oting informa
tion), see the
documents listed on this page:
http://www
.cisco.com/en/US/produc
ts/hw/routers/ps368
/tsd_produ
cts_support_se
ries_home.html
936
938
Table of Contents
Table of Contents
3
Default Chapter
32
Related Documentation
32
Obtaining Documentation and Submitting a Service Request
34
Product Overview
35
Supported Hardware and Software
35
User Interfaces
35
Configuring Embedded Ciscoview Support
36
Installing and Configuring Embedded Ciscoview
36
Understanding Embedded Ciscoview
36
Displaying Embedded Ciscoview Information
37
Software Features Supported in Hardware by the Pfc and Dfc
37
Command-Line Interfaces
41
Accessing the Cli
42
Accessing the Cli through Telnet
42
Accessing the Cli through the Eia/Tia-232 Console Interface
42
Performing Command Line Processing
43
Performing History Substitution
44
Cisco Ios Command Modes
44
Displaying a List of Cisco Ios Commands and Syntax
45
Securing the Cli
46
Rom-Monitor Command-Line Interface
47
Configuring the Router for the First Time
49
Default Chapter
50
Configuring the Router
50
Default Configuration
50
Using the Setup Facility or the Setup Command
50
Configuring the Global Parameters
51
Cisco IOS Configuration Fundamentals Configuration Command Reference, Release 12.2, at
55
Http://Www.cisco.com/En/Us/Docs/Ios/Fundamentals/Command/Reference/Cf_Book.html
55
This URL
55
Configuring the Router
55
Configuring Interfaces
56
Checking the Running Configuration before Saving
58
Using Configuration Mode
58
Reviewing the Configuration
59
Saving the Running Configuration Settings
59
Configuring a Default Gateway
60
Configuring a Static Route
60
Configuring a BOOTP Server
62
Protecting Access to Privileged EXEC Commands
63
Setting or Changing a Static Enable Password
63
Using the Enable Password and Enable Secret Commands
63
Setting or Changing a Line Password
64
Setting TACACS+ Password Protection for Privileged EXEC Mode
64
Configuring Multiple Privilege Levels
65
Encrypting Passwords
65
Recovering a Lost Enable Password
65
Recovering a Lost Enable Password
67
Modifying the Supervisor Engine Startup Configuration
68
Understanding the Supervisor Engine Boot Configuration
68
Configuring the Software Configuration Register
69
Modifying the Supervisor Engine Startup Configuration
71
Specifying the Startup System Image
72
Understanding Flash Memory
72
CONFIG_FILE Environment Variable
73
Controlling Environment Variables
74
Documents Listed on this Page
74
Configuring a Supervisor Engine 720
75
Using the Bootflash or Bootdisk on a Supervisor Engine 720
76
Using the Slots on a Supervisor Engine 720
76
Configuring Supervisor Engine 720 Ports
76
Configuring and Monitoring the Switch Fabric Functionality
77
Understanding How the Switch Fabric Functionality Works
77
Configuring the Switch Fabric Functionality
78
Monitoring the Switch Fabric Functionality
78
Http://Www.cisco.com/En/Us/Products/Hw/Routers/Ps368/Tsd_Products_Support_Series_Home.html
81
Configuring a Supervisor Engine 32
83
Flash Memory on a Supervisor Engine
83
Supervisor Engine 32 Ports
84
Configuring the Supervisor Engine 2 and the Switch Fabric Module
85
Using the Slots on a Supervisor Engine
85
Understanding How the Switch Fabric Module Works
86
Forwarding Decisions for Layer 3-Switched Traffic
86
Switch Fabric Module Overview
86
Switch Fabric Module Slots
86
Switch Fabric Redundancy
86
Switching Modes
87
Configuring the Switch Fabric Module
87
Configuring Fabric-Required Mode
88
Configuring the Switching Mode
88
Configuring an LCD Message
89
Monitoring the Switch Fabric Module
89
Displaying Fabric Channel Switching Modes
91
Displaying the Module Information
91
Displaying the Switch Fabric Module Redundancy Status
91
Displaying Fabric Errors
92
Displaying the Fabric Status
92
Displaying the Fabric Utilization
92
Configuring NSF with SSO Supervisor Engine Redundancy
96
Understanding NSF with SSO Supervisor Engine Redundancy
96
NSF with SSO Supervisor Engine Redundancy Overview
96
SSO Operation
96
Cisco Express Forwarding
97
NSF Operation
97
Multicast MLS NSF with SSO
98
Routing Protocols
98
NSF Benefits and Restrictions
102
Supervisor Engine Configuration Synchronization
103
Supervisor Engine Redundancy Guidelines and Restrictions
103
Hardware Configuration Guidelines and Restrictions
104
Redundancy Configuration Guidelines and Restrictions
104
Configuration Mode Restrictions
105
NSF Configuration Tasks
105
Configuring Multicast MLS NSF with SSO
106
Configuring SSO
106
Configuring CEF NSF
107
Verifying CEF NSF
107
Verifying Multicast NSF with SSO
107
Configuring BGP NSF
108
Verifying BGP NSF
108
Configuring OSPF NSF
109
Verifying OSPF NSF
109
Configuring IS-IS NSF
110
Verifying IS-IS NSF
111
Configuring EIGRP NSF
113
Verifying EIGRP NSF
113
Synchronizing the Supervisor Engine Configurations
114
Copying Files to the Redundant Supervisor Engine
114
Configuring RPR and RPR+ Supervisor Engine Redundancy
115
Understanding RPR and RPR
116
RPR Operation
116
Supervisor Engine Redundancy Overview
116
RPR+ Operation
117
Supervisor Engine Configuration Synchronization
117
Supervisor Engine Redundancy Guidelines and Restrictions
118
Redundancy Guidelines and Restrictions
118
Hardware Configuration Guidelines and Restrictions
119
RPR+ Guidelines and Restrictions
119
Configuration Mode Restrictions
120
Configuring Supervisor Engine Redundancy
120
Configuring Redundancy
120
Displaying the Redundancy States
121
Synchronizing the Supervisor Engine Configurations
121
Performing a Fast Software Upgrade
122
Copying Files to an MSFC
123
Configuring Interfaces
126
Understanding Interface Configuration
126
Using the Interface Command
126
Configuring a Range of Interfaces
128
Defining and Using Interface-Range Macros
130
Configuring Optional Interface Features
130
Configuring Ethernet Interface Speed and Duplex Mode
131
Configuring Jumbo Frame Support
134
Configuring IEEE 802.3X Flow Control
137
Configuring the Port Debounce Timer
138
Adding a Description for an Interface
140
Understanding Online Insertion and Removal
140
Monitoring and Maintaining Interfaces
141
Clearing Counters on an Interface
141
Monitoring Interface Status
141
Resetting an Interface
142
Shutting down and Restarting an Interface
142
Checking the Cable Status Using the TDR
143
Configuring LAN Ports for Layer 2 Switching
145
Understanding How Layer 2 Switching Works
145
Understanding Layer 2 Ethernet Switching
146
Trunking Overview
147
Understanding VLAN Trunks
147
Layer 2 LAN Port Modes
148
Default Layer 2 LAN Interface Configuration
149
Layer 2 LAN Interface Configuration Guidelines and Restrictions
149
Configuring LAN Interfaces for Layer 2 Switching
150
Configuring a LAN Port for Layer 2 Switching
151
Configuring a Layer 2 Switching Port as a Trunk
152
Configuring a LAN Interface as a Layer 2 Access Port
158
Configuring a Custom IEEE 802.1Q Ethertype Field Value
159
Configuring Flex Links
161
Understanding Flex Links
161
Configuring Flex Links
162
Flex Links Configuration Guidelines and Restrictions
162
Flex Links Default Configuration
162
Configuring Flex Links
163
Monitoring Flex Links
164
Configuring Etherchannels
165
Understanding How Etherchannels Work
165
Etherchannel Feature Overview
166
Understanding How Etherchannels Are Configured
166
Understanding Load Balancing
169
Understanding Port Channel Interfaces
169
Etherchannel Feature Configuration Guidelines and Restrictions
169
Configuring Etherchannels
171
Configuring Port Channel Logical Interfaces for Layer 3 Etherchannels
171
Configuring Channel Groups
172
Configuring the Lacp System Priority and System ID
174
Configuring Etherchannel Load Balancing
175
Configuring the Etherchannel Min-Links Feature
176
Configuring VTP
177
Understanding How VTP Works
177
Understanding the VTP Domain
178
Understanding VTP Modes
178
Understanding VTP Advertisements
179
Understanding VTP Version 2
179
Understanding VTP Pruning
180
VTP Default Configuration
181
VTP Configuration Guidelines and Restrictions
181
Configuring VTP
182
Configuring the VTP Mode
182
Configuring VTP Global Parameters
182
Displaying VTP Statistics
182
Enabling Vtp Pruning
183
Configuring Vlans
189
Understanding How Vlans Work
189
Vlan Overview
190
Vlan Ranges
190
Configurable Vlan Parameters
191
Understanding Token Ring Vlans
191
Vlan Default Configuration
194
Vlan Configuration Guidelines and Restrictions
196
Vlan Configuration Options
197
Creating or Modifying an Ethernet Vlan
198
Assigning a Layer 2 Lan Interface to a Vlan
200
Configuring the Internal Vlan Allocation Policy
200
Configuring Vlan Translation
201
Mapping 802.1Q Vlans to Isl Vlans
204
Saving Vlan Information
205
Configuring Private Vlans
207
Understanding How Private Vlans Work
207
Private Vlan Domains
208
Primary, Isolated, and Community Vlans
209
Private Vlan Ports
209
Ip Addressing Scheme with Private Vlans
210
Private Vlan Port Isolation
210
Private Vlan Interaction with Other Features
211
Private Vlans Across Multiple Routers
211
Private Vlan Configuration Guidelines and Restrictions
212
Secondary and Primary Vlan Configuration
213
Limitations with Other Features
215
Private Vlan Port Configuration
215
Configuring a Vlan as a Private Vlan
217
Associating Secondary Vlans with a Primary Vlan
218
Mapping Secondary Vlans to the Layer 3 Vlan Interface of a Primary Vlan
219
Configuring a Layer 2 Interface as a Private Vlan Host Port
220
Configuring a Layer 2 Interface as a Private Vlan Promiscuous Port
221
Monitoring Private Vlans
223
Configuring Cisco Ip Phone Support
225
Understanding Cisco Ip Phone Support
225
Cisco Ip Phone Connections
226
Cisco Ip Phone Voice Traffic
226
Cisco Ip Phone Data Traffic
227
Cisco Ip Phone Power Configurations
227
Other Cisco Ip Phone Features
228
Default Cisco Ip Phone Support Configuration
229
Configuring Voice Traffic Support
230
Configuring Data Traffic Support
231
Configuring Inline Power Support
232
Configuring Ieee 802.1Q Tunneling
235
Understanding How 802.1Q Tunneling Works
235
Q Tunneling Configuration Guidelines and Restrictions
237
Configuring 802.1Q Tunneling
240
Configuring 802.1Q Tunnel Ports
240
Configuring the Router to Tag Native Vlan Traffic
240
Configuring Layer 2 Protocol Tunneling
243
Understanding How Layer 2 Protocol Tunneling Works
243
Configuring Support for Layer 2 Protocol Tunneling
244
Configuring Standard-Compliant Ieee Mst
247
Understanding Mst
247
Mst Overview
248
Ist, Cist, and Cst
249
Hop Count
252
Standard-Compliant Mst Implementation
253
Understanding Rstp
255
Interoperability with Ieee 802.1D-1998 Stp
255
Port Roles and the Active Topology
256
Rapid Convergence
257
Synchronization of Port Roles
258
Bridge Protocol Data Unit Format and Processing
259
Processing Inferior Bpdu Information
260
Processing Superior Bpdu Information
260
Topology Changes
261
Configuring Mst
261
Default Mst Configuration
262
Mst Configuration Guidelines and Restrictions
262
Specifying the Mst Region Configuration and Enabling Mst
263
Configuring the Root Bridge
265
Configuring a Secondary Root Bridge
266
Configuring Port Priority
267
Configuring Path Cost
268
Configuring the Switch Priority
269
Configuring the Hello Time
270
Configuring the Forwarding-Delay Time
271
Configuring the Transmit Hold Count
271
Configuring the Maximum-Aging Time
272
Configuring the Maximum-Hop Count
272
Specifying the Link Type to Ensure Rapid Transitions
272
Designating the Neighbor Type
273
Restarting the Protocol Migration Process
274
Displaying the Mst Configuration and Status
274
Configuring Stp and Prestandard Ieee 802.1S Mst
275
Understanding How Stp Works
276
Stp Overview
276
Understanding the Bridge ID
276
Election of the Root Bridge
278
Understanding Bridge Protocol Data Units
278
Creating the Spanning Tree Topology
279
Stp Protocol Timers
279
Stp Port States
280
Blocking State
282
Listening State
283
Learning State
284
Forwarding State
285
Disabled State
286
Stp and Ieee 802.1Q Trunks
286
Rstp Port Roles
287
Understanding How Ieee 802.1W Rstp Works
287
Ieee 802.1W Rstp Overview
287
Rstp Port States
288
Understanding How Prestandard Ieee 802.1S Mst Works
288
Ieee 802.1S Mst Overview
289
Mst-To-Pvst Interoperability
290
Common Spanning Tree
292
Mst Configuration Parameters
292
Mst Instances
292
Boundary Ports
293
Mst Regions
293
Message Age and Hop Count
294
Default Stp Configuration
295
Stp and Mst Configuration Guidelines and Restrictions
295
Configuring Stp
296
Enabling Stp
296
Enabling the Extended System ID
298
Configuring Stp Port Priority
301
Configuring Stp Port Cost
302
Configuring the Bridge Priority of a Vlan
304
Configuring the Forward-Delay Time for a Vlan
306
Configuring the Maximum Aging Time for a Vlan
306
Enabling Rapid-Pvst
307
Configuring Prestandard Ieee 802.1S Mst
307
Enabling Mst
308
Displaying Mst Configurations
309
Configuring Mst Instance Parameters
313
Configuring Mst Instance Port Parameters
314
Restarting Protocol Migration
314
Configuring Optional Stp Features
317
Understanding How Portfast Works
318
Understanding How Bpdu Guard Works
318
Understanding How Portfast Bpdu Filtering Works
318
Understanding How Uplinkfast Works
319
Understanding How Backbonefast Works
320
Understanding How Etherchannel Guard Works
322
Understanding How Root Guard Works
323
Understanding How Loop Guard Works
323
Enabling Portfast
324
Enabling Portfast Bpdu Filtering
326
Enabling Bpdu Guard
328
Enabling Uplinkfast
328
Enabling Backbonefast
329
Enabling Etherchannel Guard
330
Enabling Root Guard
330
Enabling Loop Guard
331
Configuring Layer 3 Interfaces
333
Layer 3 Interface Configuration Guidelines and Restrictions
334
Configuring Subinterfaces on Layer 3 Interfaces
334
Configuring Ipv4 Routing and Addresses
336
Configuring Ipx Routing and Network Numbers
340
Configuring Appletalk Routing, Cable Ranges, and Zones
341
Configuring Other Protocols on Layer 3 Interfaces
342
Supported Hardware
344
Understanding Ude
344
Understanding Udlr
345
Configuring Ude
345
Configuring Udlr
348
Pfc3Bxl and Pfc3B Mode Mpls Label Switching
351
Understanding Mpls
352
Understanding Pfc3Bxl and Pfc3B Mode Mpls Label Switching
352
Supported Cisco Ios Features
355
Supported Hardware Features
355
Mpls Guidelines and Restrictions
357
Pfc3Bxl and Pfc3B Mode Mpls Supported Commands
357
Configuring Mpls
358
Mpls Configuration Examples
358
Mpls Per-Label Load Balancing
358
Pfc3Bxl or Pfc3B Mode Vpn Switching
360
Pfc3Bxl or Pfc3B Mode Vpn Switching Operation
360
Configuring Mpls Vpn
361
Mpls Vpn Guidelines and Restrictions
361
Pfc3Bxl or Pfc3B Mode Mpls Vpn Supported Commands
361
Mpls Vpn Sample Configuration
362
Any Transport over Mpls
363
Atom Load Balancing
364
Eompls Guidelines and Restrictions
364
Understanding Eompls
364
Configuring Eompls
366
Configuring Ipv4 Multicast Vpn Support
375
Understanding How Mvpn Works
375
Multicast Distribution Trees
376
Multicast Routing and Forwarding and Multicast Domains
376
Mvpn Overview
376
Multicast Tunnel Interfaces
379
Hardware-Assisted Ipv4 Multicast
380
Multicast Distributed Switching Support
380
Pe Router Routing Table Support for Mvpn
380
Mvpn Configuration Guidelines and Restrictions
381
Configuring Mvpn
382
Forcing Ingress Multicast Replication Mode (Optional)
382
Configuring a Multicast Vpn Routing and Forwarding Instance
383
Sample Configuration
387
Configuring Multicast Vrf Routing
389
Configuring Interfaces for Multicast Routing to Support Mvpn
394
Sample Configurations for Mvpn
396
Mvpn Configuration with Default Mdts Only
396
Mvpn Configuration with Default and Data Mdts
398
Configuring Ip Unicast Layer 3 Switching
403
Understanding How Layer 3 Switching Works
404
Understanding Hardware Layer 3 Switching
404
Understanding Layer 3-Switched Packet Rewrite
404
Default Hardware Layer 3 Switching Configuration
406
Configuration Guidelines and Restrictions
406
Configuring Hardware Layer 3 Switching
407
Displaying Hardware Layer 3 Switching Statistics
408
Layer 3 Switching
409
Features that Support Ipv6 Multicast
410
Ipv6 Multicast Guidelines and Restrictions
410
New or Changed Ipv6 Multicast Commands
411
Configuring Ipv6 Multicast Layer 3 Switching
411
Using Show Commands to Verify Ipv6 Multicast Layer 3 Switching
411
Verifying Mfib Clients
412
Displaying the Switching Capability
413
Verifying the (*,G) Forwarding Capability
413
Verifying the Current Replication Mode
413
Verifying the Subnet Entry Support Status
413
Displaying Subnet Entries
414
Displaying the Ipv6 Multicast Summary
414
Displaying the Replication Mode Auto Detection Status
414
Displaying the Replication Mode Capabilities
414
Displaying the Fib Hardware Bridging and Drop Counts
415
Displaying the Netflow Hardware Forwarding Count
415
Displaying the Shared and Well-Known Hardware Adjacency Counters
416
Ipv4 Multicast Layer 3 Switching Overview
418
Default Chapter
418
Multicast Layer 3 Switching Cache
418
Layer 3-Switched Multicast Packet Rewrite
419
Partially and Completely Switched Flows
420
Non-RPF Traffic Processing
421
Default Ipv4 Multicast Layer 3 Switching Configuration
423
Multicast Boundary
423
Understanding How Ipv4 Bidirectional PIM Works
423
Unsupported Features
425
Enabling Ipv4 Pim on Layer 3 Interfaces
426
Source-Specific Multicast with Igmpv3, Igmp V3Lite, and Urd
426
Enabling Ip Multicast Layer 3 Switching Globally
427
Enabling Ip Multicast Layer 3 Switching on Layer 3 Interfaces
427
Configuring the Replication Mode
428
Enabling Local Egress Replication
430
Configuring the Layer 3 Switching Global Threshold
431
Enabling Installation of Directly Connected Subnets
431
Enabling Shortcut-Consistency Checking
432
Specifying the Flow Statistics Message Interval
432
Configuring Acl-Based Filtering of Rpf Failures
433
Displaying Rpf Failure Rate-Limiting Information
433
Configuring Multicast Boundary
434
Displaying Ipv4 Multicast Layer 3 Hardware Switching Summary
434
Displaying the Ipv4 Multicast Routing Table
437
Displaying Ipv4 Multicast Layer 3 Switching Statistics
438
Configuring Ipv4 Bidirectional Pim
439
Enabling Ipv4 Bidirectional Pim Globally
439
Configuring the Rendezvous Point for Ipv4 Bidirectional Pim Groups
440
Setting the Ipv4 Bidirectional Pim Scan Interval
440
Displaying Ipv4 Bidirectional Pim Information
441
Clearing Ipv4 Multicast Layer 3 Switching Statistics
443
Using Ipv4 Debug Commands
443
Redundancy for Multicast Traffic
444
Mldv2 Snooping Overview
446
Understanding How Mldv2 Snooping Works
446
Explicit Host Tracking
447
Mldv2 Messages
447
Source-Based Filtering
447
Joining an Ipv6 Multicast Group
448
Mldv2 Snooping Proxy Reporting
448
Leaving a Multicast Group
450
Understanding the Mldv2 Snooping Querier
451
Default Mldv2 Snooping Configuration
452
Mldv2 Snooping Configuration Guidelines and Restrictions
452
Enabling the Mldv2 Snooping Querier
453
Configuring Mldv2 Snooping
454
Enabling Mldv2 Snooping
454
Configuring a Multicast Router Port Statically
455
Configuring the Mld Snooping Query Interval
456
Enabling Fast-Leave Processing
457
Configuring Explicit Host Tracking
458
Configuring Report Suppression
458
Displaying Mldv2 Snooping Information
459
Understanding How Igmp Snooping Works
461
Igmp Snooping Overview
462
Joining a Multicast Group
462
Understanding Igmp Version 3 Support
465
Understanding the Igmp Snooping Querier
465
Default Igmp Snooping Configuration
467
Igmp Snooping Configuration Guidelines and Restrictions
468
Enabling the Igmp Snooping Querier
469
Configuring Igmp Snooping
469
Enabling Igmp Snooping
470
Configuring the Igmp Snooping Query Interval
471
Enabling Igmp Fast-Leave Processing
472
Configuring Source Specific Multicast (Ssm) Mapping
472
Configuring Igmpv3 Explicit Host Tracking
473
Displaying Igmp Snooping Information
474
Displaying Igmp Snooping Statistics
475
Default Pim Snooping Configuration
480
Pim Snooping Configuration Guidelines and Restrictions
480
Enabling Pim Snooping Globally
481
Enabling Pim Snooping in a Vlan
481
Disabling Pim Snooping Designated-Router Flooding
482
Understanding How Rgmp Works
485
Configuring Rgmp
485
Default Rgmp Configuration
486
Rgmp Configuration Guidelines and Restrictions
486
Enabling Rgmp on Layer 3 Interfaces
487
Configuring Network Security
489
Configuring Tcp Intercept
490
Configuring Mac Address-Based Traffic Blocking
490
Configuring Unicast Reverse Path Forwarding Check
490
Understanding Pfc3 Unicast Rpf Check Support
490
Configuring Unicast Rpf Check
491
Understanding Pfc2 Unicast Rpf Check Support
491
Unicast Rpf Check Guidelines and Restrictions
491
Understanding Cisco Ios Acl Support
495
Cisco Ios Acl Configuration Guidelines and Restrictions
495
Hardware and Software Acl Support
496
Configuring Ipv6 Address Compression
497
Optimized Acl Logging with a Pfc
499
Oal Guidelines and Restrictions
499
Understanding Oal
499
Configuring Oal
500
Guidelines and Restrictions for Using Layer 4 Operators in Acls
501
Determining Layer 4 Operation Usage
502
Determining Logical Operation Unit Usage
502
Configuring Vlan Acls
505
Understanding Vacls
505
Bridged Packets
506
Vacl Overview
506
Routed Packets
507
Multicast Packets
508
Configuring Vacls
508
Defining a Vlan Access Map
509
Vacl Configuration Overview
509
Configuring a Match Clause in a Vlan Access Map Sequence
510
Configuring an Action Clause in a Vlan Access Map Sequence
511
Applying a Vlan Access Map
512
Verifying Vlan Access Map Configuration
512
Configuring a Capture Port
513
Vlan Access Map Configuration and Verification Examples
513
Configuring Vacl Logging
515
Configuring Denial of Service Protection
517
Security Acls
518
Understanding How Dos Protection Works
518
Qos Acls
519
Arp Throttling
521
Dos Protection Default Configuration
537
Dos Protection Configuration Guidelines and Restrictions
538
Monitoring Packet Drop Statistics
540
Displaying Rate-Limiter Information
542
Understanding How Control Plane Policing Works
544
Copp Default Configuration
544
Copp Configuration Guidelines and Restrictions
544
Configuring Copp
545
Monitoring Copp
547
Traffic Classification Overview
548
Defining Traffic Classification
548
Sample Basic Acls for Copp Traffic Classification
549
Traffic Classification Guidelines
549
Configuring Sticky Arp
550
Configuring Dhcp Snooping
553
Dhcp Snooping Binding Database
554
Overview of Dhcp Snooping
554
Trusted and Untrusted Sources
554
Dhcp Snooping Option-82 Data Insertion
555
Packet Validation
555
Overview of the Dhcp Snooping Database Agent
557
Default Configuration for Dhcp Snooping
558
Dhcp Snooping Configuration Guidelines
559
Dhcp Snooping Configuration Restrictions and Guidelines
559
Minimum Dhcp Snooping Configuration
560
Enabling Dhcp Snooping Globally
561
Enabling Dhcp Option-82 Data Insertion
562
Enabling the Dhcp Option-82 on Untrusted Port Feature
562
Enabling Dhcp Snooping Mac Address Verification
563
Enabling Dhcp Snooping on Vlans
564
Configuring the Dhcp Trust State on Layer 2 Lan Interfaces
565
Configuring Dhcp Snooping Rate Limiting on Layer 2 Lan Interfaces
566
Configuring the Dhcp Snooping Database Agent
566
Configuration Examples for the Database Agent
567
Displaying a Binding Table
570
Configuring Dynamic Arp Inspection
573
Understanding Dai
573
Understanding Arp
574
Understanding Arp Spoofing Attacks
574
Understanding Dai and Arp Spoofing Attacks
574
Interface Trust States and Network Security
575
Rate Limiting of Arp Packets
576
Relative Priority of Arp Acls and Dhcp Snooping Entries
576
Logging of Dropped Packets
577
Default Dai Configuration
577
Dai Configuration Guidelines and Restrictions
578
Configuring Dai
578
Enabling Dai on Vlans
579
Applying Arp Acls for Dai Filtering
580
Configuring the Dai Interface Trust State
580
Configuring Arp Packet Rate Limiting
581
Enabling Additional Validation
583
Enabling Dai Error-Disabled Recovery
583
Configuring Dai Logging
585
Displaying Dai Information
587
Dai Configuration Samples
588
Sample One: Two Switches Support Dai
588
Sample Two: One Switch Supports Dai
593
Configuring Traffic Storm Control
595
Understanding Traffic Storm Control
595
Default Traffic Storm Control Configuration
597
Traffic Storm Control Guidelines and Restrictions
597
Enabling Traffic Storm Control
598
Displaying Traffic Storm Control Settings
599
Unknown Unicast and Multicast Flood Blocking
601
Understanding Uufb or Umfb
601
Configuring Uufb
602
Configuring Pfc Qos
603
Understanding How Pfc Qos Works
604
Port Types Supported by Pfc Qos
604
Component Overview
608
Understanding Classification and Marking
619
Understanding Port-Based Queue Types
625
Pfc Qos Default Configuration
632
Pfc Qos Global Settings
632
Default Values with Pfc Qos Enabled
633
Pfc Qos Configuration Guidelines and Restrictions
652
Default Values with Pfc Qos Disabled
652
General Guidelines
653
Pfc2 Guidelines
655
Pfc3 Guidelines
655
Class Map Command Restrictions
656
Policy Map Class Command Restrictions
656
Policy Map Command Restrictions
656
Supported Granularity for Cir and Pir Rate Values
657
Supported Granularity for Cir and Pir Token Bucket Sizes
657
Ip Precedence and Dscp Values
658
Enabling Pfc Qos Globally
659
Enabling Ignore Port Trust
660
Configuring Dscp Transparency
661
Enabling Microflow Policing of Bridged Traffic
662
Enabling Vlan-Based Pfc Qos on Layer 2 Lan Ports
663
Enabling Egress Acl Support for Remarked Dscp
664
Creating Named Aggregate Policers
665
Configuring a Pfc Qos Policy
667
Configuring Mac Acls
669
Configuring a Class Map
673
Configuring a Policy Map
676
Configuring Egress Dscp Mutation on a Pfc
685
Configuring Ingress Cos Mutation on Ieee 802.1Q Tunnel Ports
687
Configuring Dscp Value Maps
689
Configuring the Trust State of Ethernet Lan and Osm Ports
693
Configuring the Ingress Lan Port Cos Value
695
Configuring Standard-Queue Drop Threshold Percentages
695
Mapping Qos Labels to Queues and Drop Thresholds
701
Allocating Bandwidth between Standard Transmit Queues
711
Setting the Receive-Queue Size Ratio
713
Configuring the Transmit-Queue Size Ratio
714
Common Qos Scenarios
715
Sample Network Design Overview
715
Classifying Traffic from Pcs and Ip Phones in the Access Layer
716
Accepting the Traffic Priority Value on Interswitch Links
719
Prioritizing Traffic on Interswitch Links
720
Using Policers to Limit the Amount of Traffic from a Pc
723
Pfc Qos Glossary
725
Mpls Experimental Field
729
Pfc3Bxl or Pfc3B Mode Mpls Qos Features
729
Exp Mutation
730
Policing and Marking
730
Preserving Ip Tos
730
Pfc3Bxl or Pfc3B Mode Mpls Qos Overview
731
Specifying the Qos in the Ip Precedence Field
731
Lers at the Input Edge of an Mpls Network
732
Lers at the Output Edge of an Mpls Network
733
Lsrs in the Core of an Mpls Network
733
Lers at the Eompls Edge
734
Understanding Pfc3Bxl or Pfc3B Mode Mpls Qos
734
Lers at the Ip Edge (Mpls, Mpls Vpn)
735
Mpls Vpn
738
Lsrs at the Mpls Core
739
Pfc3Bxl or Pfc3B Mpls Qos Default Configuration
741
Mpls Qos Commands
742
Pfc3Bxl or Pfc3B Mode Mpls Qos Restrictions and Guidelines
743
Enabling Qos Globally
744
Configuring a Class Map to Classify Mpls Packets
746
Configuring the Mpls Packet Trust State on Ingress Ports
748
Restrictions and Usage Guidelines
749
Displaying a Policy Map
754
Configuring Pfc3Bxl or Pfc3B Mode Mpls Qos Egress Exp Mutation
755
Configuring Exp Value Maps
757
Short Pipe Mode
758
Uniform Mode
759
Configuring Short Pipe Mode
761
Ingress Pe Router—Customer Facing Interface
761
Mpls Diffserv Tunneling Restrictions and Usage Guidelines
761
Configuring Ingress Pe Router—P Facing Interface
762
Configuration Example
763
Configuring the P Router—Output Interface
764
Configuring the Ingress Pe Router—Customer Facing Interface
766
Configuring Uniform Mode
766
Configuring the Ingress Pe Router—P Facing Interface
767
Configuring Pfc Qos Statistics Data Export
771
Understanding Pfc Qos Statistics Data Export
771
Pfc Qos Statistics Data Export Default Configuration
772
Configuring the Cisco Ios Firewall Feature Set
781
Cisco Ios Firewall Feature Set Support Overview
781
Cisco Ios Firewall Guidelines and Restrictions
782
Additional Cbac Configuration
783
Configuring Network Admission Control
785
Understanding Nac
785
Nac Overview
786
Nac Device Roles
787
Aaa down Policy
788
Nac Layer 2 Ip Validation
788
Configuring Nac
796
Default Nac Configuration
796
Nac Layer 2 Ip Guidelines, Limitations, and Restrictions
796
Configuring Nac Layer 2 Ip Validation
797
Configuring Eapoudp
801
Configuring Identity Profiles and Policies
801
Configuring a Nac Aaa down Policy
802
Monitoring and Maintaining Nac
806
Clearing Table Entries
806
Displaying Nac Information
806
Configuring Ieee 802.1X Port-Based Authentication
807
Understanding 802.1X Port-Based Authentication
807
Device Roles
808
Authentication Initiation and Message Exchange
809
Ports in Authorized and Unauthorized States
810
Supported Topologies
811
Default 802.1X Port-Based Authentication Configuration
812
X Port-Based Authentication Guidelines and Restrictions
812
Configuring 802.1X Port-Based Authentication
813
Enabling 802.1X Port-Based Authentication
813
Configuring Router-To-Radius-Server Communication
815
Enabling Periodic Reauthentication
816
Initializing Authentication for the Client Connected to a Port
817
Manually Reauthenticating the Client Connected to a Port
817
Changing the Quiet Period
818
Changing the Router-To-Client Retransmission Time
818
Setting the Router-To-Client Retransmission Time for Eap-Request Frames
819
Setting the Router-To-Client Frame Retransmission Number
820
Enabling Multiple Hosts
821
Resetting the 802.1X Configuration to the Default Values
821
Displaying 802.1X Status
822
Configuring Port Security
823
Understanding Port Security
823
Port Security with Dynamically Learned and Static Mac Addresses
824
Default Port Security Configuration
825
Port Security Guidelines and Restrictions
825
Port Security with Sticky Mac Addresses
825
Enabling Port Security
827
Configuring the Port Security Violation Mode on a Port
828
Configuring the Port Security Rate Limiter
829
Configuring the Maximum Number of Secure Mac Addresses on a Port
831
Enabling Port Security with Sticky Mac Addresses on a Port
832
Configuring a Static Secure Mac Address on a Port
833
Configuring Secure Mac Address Aging on a Port
834
Displaying Port Security Settings
835
Configuring Cdp
837
Understanding How Cdp Works
837
Displaying the Cdp Global Configuration
838
Enabling Cdp Globally
838
Displaying the Cdp Interface Configuration
839
Enabling Cdp on a Port
839
Monitoring and Maintaining Cdp
839
Configuring Udld
841
Understanding How Udld Works
841
Udld Overview
841
Udld Aggressive Mode
842
Default Udld Configuration
843
Enabling Udld Globally
843
Disabling Udld on Fiber-Optic Lan Interfaces
844
Enabling Udld on Individual Lan Interfaces
844
Configuring the Udld Probe Message Interval
845
Displaying Disabled Lan Interfaces
845
Displaying Udld Neighbor Interfaces
845
Resetting Disabled Lan Interfaces
845
Netflow on the Msfc
848
Netflow Overview
848
Flow Masks
849
Netflow on the Pfc
849
Default Netflow Configuration
851
Netflow Configuration Guidelines and Restrictions
851
Configuring Netflow on the Pfc
852
Setting the Minimum Ip Mls Flow Mask
853
Configuring Netflow on the Msfc
856
Configuring Nde
861
Nde Overview
862
Understanding Nde
862
Nde on the Msfc
862
Nde on the Pfc
863
Default Nde Configuration
870
Nde Configuration Guidelines and Restrictions
870
Configuring Nde on the Pfc
871
Configuring Nde on the Msfc
873
Displaying the Nde Address and Port Configuration
875
Enabling Nde for Ingress-Bridged Ip Traffic
875
Configuring Nde Flow Filters
876
Displaying the Nde Configuration
878
Local Span, Rspan, and Erspan Overview
880
Monitored Traffic
882
Local Span, Rspan, and Erspan Sources
883
General Guidelines and Restrictions
884
Local Span, Rspan, and Erspan Destination Ports
884
Feature Incompatiblities
885
Local Span, Rspan, and Erspan Session Limits
886
Local Span, Rspan, and Erspan Guidelines and Restrictions
888
Rspan Guidelines and Restrictions
889
Vspan Guidelines and Restrictions
889
Erspan Guidelines and Restrictions
890
Configuring Destination Port Permit Lists (Optional)
892
Configuring Local Span
893
Configuring Rspan
894
Configuring Rspan Vlans
894
Configuring Erspan
897
Configuring Source Vlan Filtering for Local Span and Rspan
902
Configuring a Destination Port as an Unconditional Trunk
902
Configuring Destination Trunk Port Vlan Filtering
903
Verifying the Configuration
904
Configuration Examples
905
Configuring Snmp Ifindex Persistence
907
Understanding Snmp Ifindex Persistence
907
Disabling Snmp Ifindex Persistence Globally
908
Enabling Snmp Ifindex Persistence Globally
908
Clearing Snmp Ifindex Persistence Configuration from a Specific Interface
909
Enabling and Disabling Snmp Ifindex Persistence on Specific Interfaces
909
Understanding How Power Management Works
911
Enabling or Disabling Power Redundancy
912
Powering Modules off and on
913
Viewing System Power Status
914
Determining System Hardware Capacity
915
Determining System Power Requirements
915
Power Cycling Modules
915
Determining Sensor Temperature Threshold
918
Understanding How Environmental Monitoring Works
920
Monitoring System Environmental Status
920
Understanding Led Environmental Indications
921
Understanding How Online Diagnostics Work
923
Configuring Generic Online Diagnostics
923
Configuring Online Diagnostics
924
Setting Bootup Online Diagnostics Level
924
Configuring On-Demand Online Diagnostics
925
Scheduling Online Diagnostics
926
Running Online Diagnostic Tests
927
Configuring Health-Monitoring Diagnostics
927
Starting and Stopping Online Diagnostic Tests
928
Displaying Online Diagnostic Tests and Test Results
929
Performing Memory Tests
932
Understanding Top N Utility Operation
934
Displaying the Top N Utility Reports
935
Enabling Top N Utility Report Creation
935
Clearing Top N Utility Reports
936
Usage Guidelines
940
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Cisco 7604 Specifications
General
Brand
Cisco
Model
7604
Category
Network Router
Language
English
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