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52-9
Catalyst
6500 Series Switch Software
Configuration Guide—Release
8.7
OL-8978-04
Chapter
52 Configuring QoS
Understanding How QoS Works
Figur
e
52-8
Ether
net Egr
ess P
ort Sc
heduling, Cong
estion A
voidance, and Mar
king
Figur
e
52-9
Single-P
ort A
TM OC-12 Switc
hing Module Mar
king
68002
Write CoS
into
frame
ISL or
802.1Q?
IP traffic
from PFC?
Write T
oS
byte into
pa
cke
t
DSCP
rewrite
enabled?
No
No
No
Ye
s
Ye
s
Ye
s
Ethernet egress por
t scheduling, congestion avoidance
, and mar
king
T
ransmit
frame
F
rom switching
engine or MSFC
Drop thresholds
PFC3
only
27105
T
ransmit
cell
IP traffic
from PFC?
Write T
oS
byte into
pa
cke
t
No
Ye
s
Single-por
t A
TM OC-12 s
witching module marking
F
rom switching
engine or MSFC
1240
1242
Table of Contents
Default Chapter
3
Table of Contents
3
Chapter 1 Product Overview
39
Chapter 2 Command-Line Interface
39
C H a P T E R 3 Configuring the Switch IP Address and Default Gateway
39
C H a P T E R 5 Configuring Ethernet VLAN Trunks
39
Catalyst 6500 Series Switch Software Configuration Guide—Release
39
Chapter 10 Configuring VTP
40
Chapter 11 Configuring VLAN
40
C H a P T E R 12 Configuring Intervlan Routing
40
Chapter 13 Configuring CEF for PFC2 and PFC3A
40
Chapter 15 Configuring Acces Control
40
Chapter 32 Configuring UDLD
41
Related Documentation
42
Obtaining Documentation and Submitting a Service Request
43
Appendix A Acronym
41
Product Overview
45
Catalyst Command-Line Interface
47
ROM-Monitor Command-Line Interface
47
Switch Command-Line Interface
48
MSFC Command-Line Interface
54
Cisco IOS Command Modes
54
Cisco IOS Command-Line Interface
56
CHAPTER 3 Configuring the Switch IP Address and Default Gateway
59
Understanding How the Switch Management Interfaces Work
59
Understanding How Automatic IP Configuration Works
60
Automatic IP Configuration Overview
60
Understanding DHCP
61
Understanding BOOTP and RARP
62
Preparing to Configure the IP Address and Default Gateway
62
Booting the MSFC for the First Time
62
Booting from a Melody Compact Flash Adapter Card
63
Default IP Address and Default Gateway Configuration
64
Features Supported by the Sc0 and Sc1 In-Band Interfaces
64
Assigning the In-Band (Sc0 and Sc1) Interface IP Address
65
Configuring the Default Gateways
66
Configuring the SLIP (Sl0) Interface on the Console Port
67
Using BOOTP, DHCP, or RARP to Obtain an IP Address
68
Renewing and Releasing a DHCP-Assigned IP Address
69
Chapter 4 Configuring Ethernet, Fast Ethernet, Gigabit Ethernet, and 10-Gigabit Ethernet Switching
71
Understanding How Ethernet Works
71
Switching Frames between Segments
72
Building the Address Table
72
Understanding Port Negotiation
72
Default Ethernet, Fast Ethernet, Gigabit Ethernet, and 10-Gigabit Ethernet Configuration
73
Setting the Port Configuration
74
Configuring Supervisor Engine 720 Ports
75
Setting the Port Name
75
Setting the Port Speed
76
Setting the Port Duplex Mode
76
Enabling or Disabling Auto-MDI/MDIX
77
Configuring IEEE 802.3X Flow Control
78
Enabling and Disabling Port Negotiation
79
Changing the Default Port Enable State
79
Setting the Port Debounce Timer
80
Modifying the Port Debounce Timer Setting
81
Configuring a Timeout Period for Ports in Errdisable State
82
Configuring Automatic Module Shutdown
84
Configuring Port Error Detection
86
Configuring Redundant Flex Links
87
Configuring Jumbo Frames
89
Checking Connectivity
91
CHAPTER 5 Configuring Ethernet VLAN Trunks5-1
93
Understanding How VLAN Trunks Work
93
Trunking Overview
93
Trunking Modes and Encapsulation Type
94
802.1Q Trunk Configuration Guidelines and Restrictions
96
Default Trunk Configuration
97
Configuring a Trunk Link
97
Configuring an ISL Trunk
98
Configuring an 802.1Q Trunk
99
Configuring an ISL/802.1Q Negotiating Trunk Port
100
Defining the Allowed Vlans on a Trunk
100
Disabling a Trunk Port
101
Disabling VLAN 1 on Trunks
102
Enabling 802.1Q Tagging of Native VLAN Traffic
103
Disabling 802.1Q Tagging on Specific Ports
103
Specifying a Custom 802.1Q Ethertype Field
104
Returning a Custom 802.1Q Ethertype Field to the Standard Ethertype
105
Example VLAN Trunk Configurations
106
ISL Trunk Configuration Example
106
ISL Trunk over Etherchannel Link Example
107
802.1Q Trunk over Etherchannel Link Example
110
Load-Sharing VLAN Traffic over Parallel Trunks Example
114
Configuring Etherchannel
121
Understanding How Etherchannel Works
122
Understanding How Etherchannel Frame Distribution Works
122
Port Aggregation Control Protocol and Link Aggregation Control Protocol
123
Etherchannel Configuration Guidelines
123
Port Configuration Guidelines
123
VLAN and Trunk Configuration Guidelines
124
Interaction with Other Features Guidelines
124
Understanding How the Port Aggregation Protocol Works
125
Pagp Modes
126
Pagp Administrative Groups
127
Pagp Etherchannel Ids
127
Configuring an Etherchannel Using Pagp
127
Specifying the Etherchannel Protocol
127
Configuring an Etherchannel
128
Setting the Etherchannel Port Mode
128
Setting the Etherchannel Port Path Cost
129
Setting the Etherchannel VLAN Cost
129
Configuring Etherchannel Load Balancing
131
Displaying Etherchannel Traffic Utilization
131
Displaying the Outgoing Ports for a Specified Address or Layer 4 Port Number
132
Disabling an Etherchannel
132
Understanding How the Link Aggregation Control Protocol Works
133
LACP Modes
133
LACP Parameters
133
Configuring an Etherchannel Using LACP
135
Specifying the Etherchannel Protocol
135
Specifying the System Priority
136
Specifying the Port Priority
136
Specifying an Administrative Key Value
136
Changing the Channel Mode
138
Specifying the Channel Path Cost
138
Specifying the Channel VLAN Cost
138
Configuring Channel Load Balancing
138
Clearing the LACP Statistics
138
Displaying Etherchannel Traffic Utilization
139
Displaying the Outgoing Ports for a Specified Address or Layer 4 Port Number
139
Disabling an Etherchannel
139
Displaying the Spanning-Tree Information for Etherchannels
140
Clearing and Restoring the Etherchannel Counters
140
Clearing the Etherchannel Counters
140
Restoring the Etherchannel Counters
141
Configuring Spanning Tree
143
Understanding How Spanning Tree Protocols Work
144
Understanding How a Topology Is Created
145
Understanding How a Switch Becomes the Root Switch
145
Understanding How Bridge Protocol Data Units Work
146
Calculating and Assigning Port Costs
146
Spanning-Tree Port States
148
Blocking State
149
Listening State
150
Learning State
152
Forwarding State
153
Understanding How PVST+ and MISTP Modes Work
154
PVST+ Mode
155
Rapid-PVST
155
MISTP Mode
155
MISTP-PVST+ Mode
156
Understanding How Bridge Identifiers Work
156
MAC Address Allocation
156
MAC Address Reduction
157
Understanding How Multiple Spanning Tree Works
158
Rapid Spanning Tree Protocol
160
MST-To-SST Interoperability
161
Common Spanning Tree
163
MST Instances
163
MST Configuration
163
MST Region
164
Message Age and Hop Count
165
MST-To-PVST+ Interoperability
166
Understanding How BPDU Skewing Works
166
Understanding How Layer 2 PDU Rate Limiting Works
167
Configuring PVST+ on the Switch
168
Default PVST+ Configuration
168
Setting the PVST+ Bridge ID Priority
169
Configuring the PVST+ Port Cost
170
Configuring the PVST+ Port Priority
171
Configuring the PVST+ Default Port Cost Mode
171
Configuring the PVST+ Port Cost for a VLAN
173
Configuring the PVST+ Port Priority for a VLAN
173
Disabling the PVST+ Mode on a VLAN
174
Configuring Rapid-PVST+ on the Switch
175
Configuring MISTP-PVST+ or MISTP on the Switch
176
Default MISTP and MISTP-PVST+ Configuration
177
Setting the MISTP-PVST+ Mode or the MISTP Mode
177
Configuring an MISTP Instance
179
Enabling an MISTP Instance
183
Mapping Vlans to an MISTP Instance
183
Disabling MISTP-PVST+ or MISTP
186
Configuring a Root Switch
186
Configuring a Primary Root Switch
187
Configuring a Secondary Root Switch
188
Configuring a Root Switch to Improve Convergence
188
Using Root Guard-Preventing Switches from Becoming Root
190
Displaying Spanning-Tree BPDU Statistics
190
Configuring Spanning-Tree Timers on the Switch
191
Configuring the Hello Time
192
Configuring the Forward Delay Time
192
Configuring the Maximum Aging Time
193
Configuring Multiple Spanning Tree on the Switch
193
Enabling Multiple Spanning Tree
193
Mapping and Unmapping Vlans to an MST Instance
200
Configuring BPDU Skewing on the Switch
201
Configuring Layer 2 PDU Rate Limiting on the Switch
203
CHAPTER 8 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling
207
Understanding How 802.1Q Tunneling Works
207
802.1Q Tunneling Configuration Guidelines
208
Configuring 802.1Q Tunneling on the Switch
210
Configuring 802.1Q Tunnel Ports
210
Clearing 802.1Q Tunnel Ports
210
Disabling Global Support for 802.1Q Tunneling
211
Understanding How Layer 2 Protocol Tunneling Works
212
Layer 2 Protocol Tunneling Configuration Guidelines
213
Configuring Layer 2 Protocol Tunneling on the Switch
213
Configuring Layer 2 Protocol Tunneling on Trunk Ports
213
Layer 2 Protocol Tunneling on Trunks Example
213
Configuring Layer 2 Protocol Tunneling on Trunk Ports
214
Layer 2 Protocol Tunneling on Trunks Example
215
Specifying Drop and Shutdown Thresholds on Layer 2 Protocol Tunneling Ports
216
Specifying Cos on Layer 2 Protocol Tunneling Ports
218
Clearing Layer 2 Protocol Tunneling Statistics
219
CHAPTER 9 Configuring Spanning-Tree Portfast, Uplinkfast, Backbonefast, and Loop Guard
222
Understanding How Portfast Works
222
Understanding How Portfast BPDU Guard Works
222
Understanding How Portfast BPDU Filtering Works
223
Understanding How Uplinkfast Works
223
Understanding How Backbonefast Works
224
Understanding How Loop Guard Works
226
Configuring Portfast on the Switch
228
Enabling Portfast on an Access Port
228
Enabling Spanning-Tree Portfast on a Trunk Port
229
Disabling Portfast
230
Resetting Portfast
231
Configuring Portfast BPDU Guard on the Switch
231
Enabling Portfast BPDU Guard
231
Disabling Portfast BPDU Guard
232
Configuring Portfast BPDU Filtering on the Switch
233
Enabling Portfast BPDU Filtering
234
Disabling Portfast BPDU Filtering
235
Configuring Uplinkfast on the Switch
235
Enabling Uplinkfast
236
Disabling Uplinkfast
237
Configuring Backbonefast on the Switch
238
Enabling Backbonefast
238
Displaying Backbonefast Statistics
238
Disabling Backbonefast
239
Configuring Loop Guard on the Switch
239
Enabling Loop Guard
239
Disabling Loop Guard
240
Configuring VTP
242
Understanding How VTP Version 1 and Version 2 Work
242
Understanding the VTP Domain
242
Understanding VTP Modes
242
Understanding VTP Advertisements
243
Understanding VTP Version 2
243
Understanding VTP Pruning
244
Default VTP Version 1 and Version 2 Configuration
245
VTP Version 1 and Version 2 Configuration Guidelines
245
Configuring VTP Version 1 and Version 2
246
Configuring a VTP Server
246
Configuring a VTP Client
247
Configuring VTP (VTP Transparent Mode)
248
Disabling VTP Using the off Mode
248
Enabling VTP Version 2
249
Disabling VTP Version 2
250
Enabling VTP Pruning
250
Show Trunk
251
Disabling VTP Pruning
252
Displaying VTP Statistics
252
Understanding How VTP Version 3 Works
252
VTP Version 3 Authentication
253
VTP Version 3 Per-Port Configuration
254
VTP Version 3 Domains, Modes, and Partitions
254
VTP Version 3 Modes
257
Client Mode
258
VTP Version 3 Databases
259
Default VTP Version 3 Configuration
261
Configuring VTP Version 3
262
Enabling VTP Version 3
262
Changing VTP Version 3 Modes
263
Configuring VTP Version 3 Passwords
266
Configuring a VTP Version 3 Takeover
267
Disabling VTP Version 3 on a Per-Port Basis
268
VTP Version 3 Show Commands
269
Configuring Vlans
271
Understanding How Vlans Work
271
VLAN Ranges
272
Configurable VLAN Parameters
273
Default VLAN Configuration
273
Configuring Vlans on the Switch
274
Normal-Range VLAN Configuration Guidelines
275
Creating Normal-Range Vlans
275
Modifying Normal-Range Vlans
276
Configuring Extended-Range Vlans on the Switch
276
Extended-Range VLAN Configuration Guidelines
276
Creating Extended-Range Vlans
277
Mapping Vlans to Vlans
278
Mapping 802.1Q Vlans to ISL Vlans
279
Deleting 802.1Q-To-ISL VLAN Mappings
280
Allocating Internal Vlans
280
Assigning Switch Ports to a VLAN
280
Enabling or Disabling VLAN Port-Provisioning Verification
282
Deleting a VLAN
283
Configuring VLAN Mappings on a Per-Port or Per-ASIC Basis
284
Understanding VLAN Mapping
284
Configuration Guidelines and Restrictions
284
Enabling or Disabling VLAN Mapping on an Individual Port
287
Configuring VLAN Mapping on an Individual Port
287
Clearing the VLAN Mapping
288
Displaying the VLAN Mapping Information
289
Configuring Private Vlans on the Switch
289
Understanding How Private Vlans Work
290
Private VLAN Configuration Guidelines
291
Creating a Primary Private VLAN
295
Viewing the Port Capability of a Private VLAN Port
297
Deleting a Private VLAN
298
Deleting an Isolated, Community, or Two-Way Community VLAN
299
Deleting a Private VLAN Mapping
299
Private VLAN Support on the MSFC
300
Configuring FDDI Vlans on the Switch
300
Configuring Token Ring Vlans on the Switch
301
Understanding How Token Ring Trbrf Vlans Work
301
Understanding How Token Ring Trcrf Vlans Work
302
Token Ring VLAN Configuration Guidelines
304
Creating or Modifying a Token Ring Trbrf VLAN
304
Creating or Modifying a Token Ring Trcrf VLAN
305
Configuring Vlans for the Firewall Services Module
307
Configuring Intervlan Routing
309
Understanding How Intervlan Routing Works
309
Configuring Intervlan Routing on the MSFC
310
MSFC Routing Configuration Guidelines
310
Configuring IP Intervlan Routing on the MSFC
311
Configuring IPX Intervlan Routing on the MSFC
311
Configuring Appletalk Intervlan Routing on the MSFC
312
Configuring MSFC Features
313
Configuring CEF for PFC2 and PFC3A
319
Understanding How Layer 3 Switching Works
320
Layer 3 Switching Overview
320
Understanding Layer 3-Switched Packet Rewrite
320
Understanding CEF for PFC2/PFC3A
323
Understanding the Netflow Statistics
329
Default CEF for PFC2/PFC3A Configuration
330
CEF for PFC2/PFC3A Configuration Guidelines and Restrictions
331
Configuring CEF for PFC2/PFC3A on the Switch
332
Displaying the Layer 3-Switching Entries on the Supervisor Engine
333
Configuring CEF on MSFC2/MSFC3
334
Specifying CEF Maximum Routes
334
Configuring IP Multicast on MSFC2/MSFC3
336
Displaying IP Multicast Information
338
Configuring the Netflow Statistics on the Switch
345
Specifying Netflow Table Entry Creation on a Per-Interface Basis
346
Specifying the Netflow Table Entry Aging-Time Value
347
Specifying the Netflow Table IP Entry Fast Aging Time and Packet Threshold Values
348
Setting the Minimum Statistics Flow Mask
349
Excluding the IP Protocol Entries from the Netflow Table
349
Displaying the Netflow Statistics
349
Clearing the Netflow IP and IPX Statistics
352
Displaying the Netflow Statistics Debug Information
354
Configuring the MLS IP-Directed Broadcasts on the Switch
354
Chapter 14 Configuring MLS
357
Understanding How Layer 3 Switching Works
357
Understanding Layer 3-Switched Packet Rewrite
358
Understanding MLS
360
Default MLS Configuration
368
Configuration Guidelines and Restrictions
369
Ip Mls
369
Configuration Guidelines and Restrictions
370
Ip Mmls
370
Ipx Mls
371
Configuring MLS
372
Configuring Unicast MLS on the MSFC
372
Configuring MLS
373
Configuring MLS on Supervisor Engine 1
375
Displaying Ip Mls Cache Entries
380
Configuring IP MMLS
387
Chapter 15 Configuring Access Control
397
Hardware Requirements
398
Understanding How Acls Work
398
Supported Acls
399
Qos Acls
399
Cisco IOS Acls
399
Vacls
400
Applying Cisco IOS Acls and Vacls on Vlans
403
Bridged Packets
403
Routed Packets
404
Multicast Packets
404
Using Cisco IOS Acls in Your Network
405
Hardware and Software Handling of Cisco IOS Acls with PFC
406
Policy Routing
408
Hardware and Software Handling of Cisco IOS Acls with PFC2 and PFC3A/PFC3B/PFC3BXL
409
Using Vacls with Cisco IOS Acls
413
Configuring Cisco IOS Acls and Vacls on the same VLAN Interface Guidelines
413
Layer 4 Operations Configuration Guidelines
419
Using Vacls in Your Network
421
Wiring Closet Configuration
422
Redirecting Broadcast Traffic to a Specific Server Port
422
Restricting the DHCP Response for a Specific Server
423
Denying Access to a Server on Another VLAN
424
Restricting ARP Traffic
425
Inspecting ARP Traffic
426
Dynamic ARP Inspection
435
Configuring Acls on Private Vlans
439
Capturing Traffic Flows
439
Configuring Vacls
440
VACL Configuration Guidelines
441
VACL Configuration Summary
442
Configuring Vacls from the CLI
442
Unsupported Features
440
Configuring MAC-Based ACL Lookups for All Packet Types
457
Overview of MAC-Based Acls
457
Using MAC-Based ACL Lookups for All Packet Types
458
Including the VLAN and Cos in MAC-Based Acls
458
Configuration Guidelines
459
Configuring MAC-Based ACL Lookups for All Packet Types
459
Configuring and Storing Vacls and Qos Acls in Flash Memory
460
Automatically Moving the VACL and Qos ACL Configuration to Flash Memory
461
Manually Moving the VACL and Qos ACL Configuration to Flash Memory
461
Running with the VACL and Qos ACL Configuration in Flash Memory
463
Moving the VACL and Qos ACL Configuration Back to NVRAM
463
Redundancy Synchronization Support
463
Interacting with High Availability
464
Configuring Port-Based Acls
464
PACL Configuration Overview
464
PACL Configuration Guidelines
465
Configuring Pacls from the CLI
468
PACL Configuration Examples
472
Configuring ACL Statistics
477
ACL Statistics Overview
477
Configuring ACL Statistics from the CLI
478
Clearing Acl Statistics
481
Configuring the Compression and Reordering of ACL Masks
483
Configuring the CRAM Feature from the CLI
483
Configuring Policy-Based Forwarding
486
Understanding How PBF Works
487
PBF Hardware and Software Requirements
487
Configuring PBF from the CLI
488
PBF Configuration Example
496
Enhancements to PBF Configuration (Software Releases 7.5(1) and Later)
498
Enhancements to the PBF Configuration (Software Releases 8.3(1) and Later)
501
Clear Commands
504
Show Commands
505
Enhancements to PBF Configuration (Software Releases 8.6(1) and Later)
506
Downloadable Acls
512
Configuring a Downloaded ACL for Dot1X
513
Configuring a Downloaded ACL for Dot1X for an IP Phone
515
Creating a Placeholder for a Downloaded ACL
516
Creating a Placeholder for an IP Phone
517
Displaying Downloaded ACL Information
517
Chapter 16 Configuring NDE
521
Understanding How NDE Works
521
Overview of NDE and Integrated Layer 3 Switching Management
521
Traffic Statistics Data Collection
522
Using NDE Filters
523
Using Bridged-Flow Statistics
523
NDE Versions
523
Default NDE Configuration
526
Configuring NDE on the Switch
527
NDE Configuration Guidelines
527
Specifying an NDE Collector
529
Clearing an NDE Collector
530
Configuring Netflow on the MSFC
530
Enabling NDE
531
Enabling and Disabling Bridged-Flow Statistics on Vlans
532
Specifying a Destination Host Filter
533
Specifying a Destination and Source Subnet Filter
533
Specifying a Destination TCP/UDP Port Filter
533
Specifying a Source Host and Destination TCP/UDP Port Filter
534
Specifying a Protocol Filter
534
Specifying Protocols for Statistics Collection
534
Removing Protocols for Statistics Collection
535
Clearing the NDE Flow Filter
535
Disabling NDE
536
Removing the NDE IP Address
536
Displaying the NDE Configuration
536
Chapter 17 Configuring GVRP
539
Understanding How GVRP Works
539
Default GVRP Configuration
540
GVRP Configuration Guidelines
540
Configuring GVRP on the Switch
540
Enabling GVRP Globally
541
Enabling GVRP on Individual 802.1Q Trunk Ports
541
Enabling GVRP Dynamic VLAN Creation
542
Configuring GVRP Registration
543
Configuring GVRP VLAN Declarations from Blocking Ports
544
Setting the GARP Timers
545
Displaying GVRP Statistics
546
Clearing GVRP Statistics
546
Disabling GVRP on Individual 802.1Q Trunk Ports
546
Disabling GVRP Globally
547
Configuring MVRP
549
Understanding How MVRP Works
549
Default MVRP Configuration
550
MVRP Configuration Guidelines
550
Configuring MVRP on the Switch
551
Enabling MVRP Globally
551
Enabling MVRP on Individual Trunk Ports
552
Enabling MVRP Dynamic VLAN Creation
553
Configuring MVRP Registration
553
Configuring MVRP on Ports with STP Blocking State
555
Configuring the MVRP Timers
555
Enabling the Periodic Timer
556
Displaying MVRP Configuration Summary
556
Displaying MVRP Statistics
557
Displaying MVRP State Machines
558
Displaying MVRP Trunks
558
Disabling MVRP on Individual Trunk Ports
558
Disabling MVRP Globally
559
Clearing MVRP Configuration
559
Clearing MVRP Counters
559
Clearing MVRP Statistics
560
Configuring Dynamic Port VLAN Membership with VMPS
561
Understanding How VMPS Works
561
Default VMPS and Dynamic Port Configuration
562
Dynamic Port VLAN Membership and VMPS Configuration Guidelines
563
Configuring VMPS and Dynamic Port VLAN Membership on the Switch
563
Creating the VMPS Database
564
Configuring VMPS
565
Configuring Dynamic Ports on VMPS Clients
565
Administering and Monitoring VMPS
566
Configuring Static VLAN Port Membership
567
Backing up the VMPS Configuration File
568
Troubleshooting VMPS and Dynamic Port VLAN Membership
569
Troubleshooting VMPS
569
Troubleshooting Dynamic Port VLAN Membership
570
Dynamic Port VLAN Membership with VMPS Configuration Examples
570
VMPS Database Configuration File Example
570
Dynamic Port VLAN Membership Configuration Example
572
Dynamic Port VLAN Membership with Auxiliary Vlans
574
Dynamic Port VLAN Membership with Auxiliary Vlans Guidelines
574
Configuring Dynamic Port VLAN Membership with Auxiliary Vlans
575
Chapter 20 Checking Status and Connectivity
577
Checking the Module Status
578
Checking the Port Status
579
Displaying the Port MAC Address
580
Displaying the Duplicate MAC Entries in the CAM Table
581
Displaying Port Capabilities
582
Configuring the MAC Utilization Load Interval
582
Understanding How the MAC Utilization Load Interval Works
583
Setting the MAC Utilization Load Interval
583
Displaying MAC Utilization Statistics
583
Clearing MAC Utilization Counters
585
Checking the 10-Gigabit Ethernet Link Status
586
Checking the Cable Status Using TDR
587
Using Telnet
588
Using Secure Shell Encryption for Telnet Sessions
588
Monitoring User Sessions
590
Using Ping
591
Understanding How Ping Works
591
Executing Ping
592
Using Layer 2 Traceroute
593
Layer 2 Traceroute Usage Guidelines
593
Identifying a Layer 2 Path
594
Using IP Traceroute
594
Understanding How IP Traceroute Works
594
Executing IP Traceroute
595
Using System Warnings on Port Counters
595
Executing System Warnings on Port Counters
596
Executing Hardware Level Warnings on Port Counters
599
Executing Spanning-Tree Warnings on Port Counters
599
Configuring Packet-Buffer Error Handling
600
Configuring Etherchannel/Link Error Handling
600
Configuring IEEE 802.3Ah Ethernet OAM
602
Understanding How OAM Works
602
Ethernet OAM Configuration Guidelines and Restrictions
603
Executing Ethernet OAM
603
Configuring Metro Ethernet Connectivity Fault Management
614
Understanding How Metro Ethernet Connectivity Fault Management Works
615
Connectivity Fault Management Protocols
615
Maintenance Domains
615
Maintenance Associations
616
Maintenance Points
616
CFM Configuration Guidelines and Restrictions
618
Configuring Metro Ethernet CFM
620
Configuring the Alarm Indication Signal
630
Understanding How CFM Works with 802.3Ah Link-OAM for AIS-RDI
631
Ethernet Alarm Indication Signal
631
Ethernet Remote Defect Indication
632
ASI and RDI Configuration Guidelines and Restrictions
632
Configuring an Alarm Indication Signal
633
Configuring the Ethernet Local Management Interface
636
Understanding How ELMI Works
636
Ethernet Local Management Protocols
636
Configuring ELMI
637
Configuring ELMI on the Switch
638
Configuring MAC Address Move Counters
645
Understanding How MAC Address Move Counters Work
645
MAC Address Move Counter Configuration Guidelines and Restrictions
646
MAC Address Move Counter Syslog Generation
646
Executing MAC Address Move Counters
647
Enabling or Disabling MAC Address Move Counters
647
Digital Optical Monitoring
649
Displaying Transceiver Information
649
Setting Transceiver Monitoring and Thresholds
653
Chapter 21 Configuring GOLD
655
Understanding How Online Diagnostics Work
655
Configuring Online Diagnostics
656
Specifying the Bootup Online Diagnostic Level
656
Configuring On-Demand Online Diagnostics
657
Configuring Online Diagnostic Health-Monitoring Tests
662
Scheduling Online Diagnostics
663
Specifying the Online Diagnostic Failure Response
664
Specifying the Online Diagnostic Event Log Size
664
Displaying Online Diagnostic Tests and Test Results
665
Clearing the Online Diagnostic Configuration
665
Chapter 22 Administering the Switch
667
Setting the System Name and System Prompt on the Switch
668
Setting the Static System Name and Prompt
668
Setting the System Contact and Location on the Switch
669
Setting the System Clock on the Switch
670
Creating a Login Banner on the Switch
670
Configuring a Login Banner
671
Clearing a Login Banner
671
Displaying or Suppressing the "Cisco Systems Console" Telnet Login Banner on the Switch
671
Defining Command Aliases on the Switch
672
Defining IP Aliases on the Switch
673
Configuring Static Routes on the Switch
674
Configuring Permanent and Static ARP Entries on the Switch
675
Scheduling a System Reset on the Switch
676
Scheduling a Reset at a Specific Time
676
Scheduling a Reset Within a Specified Amount of Time
677
Power Management
678
Enabling or Disabling Power Redundancy
678
Using the CLI to Power Modules up or down
680
Environmental Monitoring
680
Environmental Monitoring Using CLI Commands
681
LED Indications
681
Displaying System Status Information for Technical Support
682
Generating a System Status Report
683
Using System Dump Files
683
Using System Crash-Info Files
685
Logging System Information to a TFTP or Rcp Server
686
Enabling System Information Logging
686
Specifying Show Commands for System Information Logging
687
Specifying How Often System Information Logging Occurs
688
Specifying the Filename and Server for System Information Logging
688
Clearing a Show Command from System Information Logging
689
Clearing the Configuration of System Information Logging
689
Disabling System Information Logging
690
TCL Scripting
690
Entering TCL Commands
692
Configuring Redundancy
693
Understanding How Supervisor Engine Redundancy Works
694
Configuring Redundant Supervisor Engines on the Switch
696
Synchronization Process Initiation
696
Redundant Supervisor Engine Configuration Guidelines and Restrictions
697
Verifying the Standby Supervisor Engine Status
697
Forcing a Switchover to the Standby Supervisor Engine
698
High Availability
700
Configuring Supervisor Engine Redundancy Using NSF with SSO
707
Supervisor Engine Synchronization Examples
707
MSFC Redundancy
713
Dual MSFC Redundancy
713
Configuration Examples
722
Single Router Mode Redundancy
735
Manual-Mode MSFC Redundancy
741
Hardware and Software Requirements
742
Configuring NSF with SSO MSFC Redundancy
747
Hardware and Software Requirements
748
Understanding How NSF/SSO Works
748
RPR Overview
749
Types of MSFC Switchovers
750
Configuration Guidelines and Restrictions
750
Using the CLI to Configure NSF/SSO
751
Configuring SSO
752
Configuring CEF NSF
753
Verifying CEF NSF
753
Configuring BGP NSF
754
Verifying BGP NSF
754
Configuring OSPF NSF
755
Verifying OSPF NSF
756
Configuring IS-IS NSF
756
Verifying IS-IS NSF
757
Displaying Redundancy-Related Information
759
Performing an MSFC Switchover
759
Performing an MSFC Software Reload
759
Using Redundancy-Related Debug Commands
759
Upgrading Software
760
Fast Software Upgrade
760
Upgrading to SSO from Single Router or Dual Router Modes
761
Mixed-Mode Operation
761
Chapter 25 Modifying the Switch Boot Configuration
763
Understanding How the Switch Boot Configuration Works
763
Understanding the Boot Process
764
Understanding the ROM Monitor
764
Understanding the Configuration Register
764
Understanding the BOOT Environment Variable
765
Understanding the CONFIG_FILE Environment Variable
766
Default Switch Boot Configuration
767
Setting the Configuration Register
767
Setting the Boot Field in the Configuration Register
768
Setting the ROM-Monitor Console-Port Baud Rate
768
Setting CONFIG_FILE Recurrence
769
Setting CONFIG_FILE Overwrite
770
Setting CONFIG_FILE Synchronization
770
Setting the Switch to Ignore the NVRAM Configuration
771
Setting the Configuration Register Value
772
Setting the BOOT Environment Variable
772
Clearing the BOOT Environment Variable Settings
773
Setting the CONFIG_FILE Environment Variable
773
Clearing the CONFIG_FILE Environment Variable Settings
774
Displaying the Switch Boot Configuration
774
Working with the Flash File System
777
Understanding How the Flash File System Works
777
Working with the Flash File System on the Switch
778
Setting the Default Flash Device
778
Setting the Text File Configuration Mode
778
Setting the Text File Configuration Mode to Auto-Save
779
Listing the Files on a Flash Device
781
Copying Files
782
Deleting Files
784
Restoring Deleted Files
784
Verifying a File Checksum
785
Formatting a Flash Device
785
Working with System Software Images
787
Software Image Naming Conventions
788
Upgrading the EPLD Images
788
Upgrading the Supervisor Engine EPLD Image
788
Upgrading the Nonsupervisor Engine Module EPLD Images
789
Comparing File Transfer Protocols
791
Downloading the Software Images Using FTP or TFTP
791
Understanding How FTP and TFTP Software Image Downloads Work
791
Specifying the FTP Username and Password
792
Preparing to Download an Image Using FTP or TFTP
793
Downloading the Supervisor Engine Images Using FTP or TFTP
793
Downloading the Switching Module Images Using FTP or TFTP
794
FTP and TFTP Download Procedures Example
795
Uploading the System Software Images to an FTP or TFTP Server
800
Preparing to Upload an Image to an FTP or TFTP Server
801
Uploading the Software Images to an FTP or TFTP Server
801
Downloading the System Software Images Using Rcp
802
Preparing to Download an Image Using Rcp
802
Downloading the Supervisor Engine Images Using Rcp
802
Downloading the Switching Module Images Using Rcp
803
Example Rcp Download Procedures
804
Uploading the System Software Images to an Rcp Server
807
Preparing to Upload an Image to an Rcp Server
808
Uploading the Software Images to an Rcp Server
808
Downloading the Crypto Images Using SCP
808
Preparing to Download an Image Using SCP
809
Downloading the Crypto Images Using SCP
809
Example SCP Download Procedure
810
Uploading the Crypto Images to an SCP Server
811
Preparing to Upload an Image to an SCP Server
811
Uploading the Crypto Images to an SCP Server
812
Downloading the Crypto Images Using SFTP
812
Uploading the Crypto Images to an SFTP Server
813
Downloading the Software Images over a Serial Connection on the Console Port
814
Preparing to Download an Image Using Kermit
814
Downloading the Software Images Using Kermit (PC Procedure)
815
Downloading the Software Images Using Kermit (UNIX Procedure)
816
Example Serial Software Image Download Procedures
817
Downloading a System Image Using Xmodem or Ymodem
819
Verifying the Software Images
821
Chapter 28 Working with Configuration Files
823
Working with the Configuration Files on the Switch
823
Creating and Using Configuration File Guidelines
824
Creating a Configuration File
824
Downloading the Configuration Files to the Switch Using TFTP
825
Uploading the Configuration Files to a TFTP Server
827
Copying the Configuration Files Using SCP or Rcp
828
Downloading the Configuration Files from an Rcp or SCP Server
829
Uploading Configuration Files to an Rcp or SCP Server
830
Clearing the Configuration
831
Comparing the Configuration Files
832
Creating the Configuration Checkpoint Files for Configuration Rollback
833
Working with the Configuration Files on the MSFC
834
Uploading the Configuration File to a TFTP Server
835
Uploading the Configuration File to the Supervisor Engine Flash PC Card
836
Downloading the Configuration File from a Remote Host
836
Downloading the Configuration File from the Supervisor Engine Flash PC Card
838
Working with Profile Files
838
Building Profile Files
838
Chapter 29 Configuring System Message Logging
843
Understanding How the System Message Logging Works
843
System Log Message Format
845
Default System Message Logging Configuration
846
Configuring the System Message Logging on the Switch
847
Enabling and Disabling the Session Logging Settings
847
Setting the System Message Logging Levels
848
Enabling and Disabling the Logging Time-Stamp Enable State
849
Setting the Logging Buffer Size
849
Limiting the Number of Syslog Messages
849
Configuring the Syslog Daemon on a UNIX Syslog Server
850
Configuring the Syslog Servers
850
Displaying the Logging Configuration
851
Displaying the System Messages
853
Enabling and Disabling the System Syslog Dump
853
Specifying the System Syslog Dump Flash Device and Filename
854
Configuring Callhome
855
Disabling Callhome
857
Configuring DNS
859
Understanding How DNS Works
859
DNS Default Configuration
860
Configuring DNS on the Switch
860
Setting up and Enabling DNS
860
Clearing a DNS Server
861
Clearing the DNS Domain Name
861
Disabling DNS
862
Configuring CDP
863
Understanding How CDP Works
863
Default CDP Configuration
864
Configuring CDP on the Switch
864
Setting the CDP Global Enable and Disable States
864
Setting the CDP Enable and Disable States on a Port
865
Setting the CDP Message Interval
866
Setting the CDP Holdtime
866
Displaying CDP Neighbor Information
867
Configuring UDLD
869
Understanding How UDLD Works
869
Default UDLD Configuration
870
Configuring UDLD on the Switch
871
Enabling UDLD Globally
871
Enabling UDLD on Individual Ports
871
Disabling UDLD on Individual Ports
872
Disabling UDLD Globally
872
Specifying the UDLD Message Interval
872
Enabling UDLD Aggressive Mode
873
Displaying the UDLD Configuration
873
Chapter 33 Configuring DHCP Snooping and IP Source Guard
875
Understanding How DHCP Snooping Works
875
DHCP Snooping Configuration Guidelines
876
Configuring DHCP Snooping on a VLAN
876
Default Configuration for DHCP Snooping
878
Enabling DHCP Snooping
878
Enabling DHCP Snooping on a Private VLAN
879
Enabling the DHCP-Snooping Host-Tracking Information Option
879
Enabling the DHCP Snooping MAC-Address Matching Option
880
Configuration Examples for DHCP Snooping
881
Specifying the DHCP-Snooping Binding Limit on a Per-Port Basis
885
Specifying the DHCP-Snooping IP Address-To-MAC Address Binding on a Per-Port Basis
886
Displaying DHCP-Snooping Information
886
Displaying the Binding Table
886
Displaying the DHCP-Snooping Configuration and Statistics
887
Storing DHCP-Snooping Binding Entries to a Flash Device
889
Understanding How IP Source Guard Works
890
IP Source Guard Configuration Guidelines
890
Enabling IP Source Guard on a Port
891
Displaying the IP Source Guard Information
892
Chapter 34 Configuring NTP
893
Understanding How NTP Works
893
NTP Default Configuration
894
Configuring NTP on the Switch
894
Enabling NTP in Broadcast-Client Mode
895
Configuring NTP in Client Mode
896
Configuring Authentication in Client Mode
896
Setting the Time Zone
897
Enabling the Daylight Saving Time Adjustment
898
Disabling the Daylight Saving Time Adjustment
899
Clearing the Time Zone
899
Clearing NTP Servers
900
Disabling NTP
900
Chapter 35 Configuring Broadcast Suppression
901
Understanding How Broadcast Suppression Works
901
Configuring Broadcast Suppression on the Switch
903
Enabling Broadcast Suppression
903
Disabling Broadcast Suppression
905
Enabling the Errdisable State
905
Chapter 36 Configuring Layer 3 Protocol Filtering
907
Understanding How Layer 3 Protocol Filtering Works
907
Default Layer 3 Protocol Filtering Configuration
908
Configuring Layer 3 Protocol Filtering on the Switch
908
Enabling Layer 3 Protocol Filtering
909
Disabling Layer 3 Protocol Filtering
909
Chapter 37 Configuring the IP Permit List
911
Understanding How the IP Permit List Works
911
IP Permit List Default Configuration
912
Configuring the IP Permit List on the Switch
912
Adding IP Addresses to the IP Permit List
912
Enabling the IP Permit List
913
Disabling the IP Permit List
914
Clearing an IP Permit List Entry
915
Chapter 38 Configuring Port Security
917
Understanding How Port Security Works
918
Allowing the Traffic Based on the Host MAC Address
918
Restricting the Traffic Based on the Host MAC Address
919
Blocking the Unicast Flood Packets on the Secure Ports
919
Understanding How MAC-Address Monitoring Works
919
Port Security Configuration Guidelines
920
Configuring Port Security on the Switch
920
Enabling Port Security
920
Setting the Maximum Number of Secure MAC Addresses
921
Automatically Configuring Dynamically Learned MAC Addresses
922
Setting the Port Security Age Time
923
Setting the Port Security Aging Type
924
Clearing the MAC Addresses
924
Configuring Unicast Flood Blocking on the Secure Ports
925
Specifying the Security Violation Action
926
Setting the Shutdown Timeout
927
Disabling Port Security
927
Restricting the Traffic Based on a Host MAC Address
928
Displaying Port Security
928
Configuring MAC-Address Monitoring
930
Configuring Global MAC-Address Monitoring
930
Monitoring the MAC Addresses in the CAM Table
931
Specifying the Polling Interval for Monitoring
932
Specifying the Lower Threshold for MAC-Address Monitoring
932
Specifying the Upper Threshold for MAC-Address Monitoring
933
Clearing the Configuration for MAC-Address Monitoring
933
Displaying the Configuration for the CAM Monitor
934
Displaying the Global Configuration for the CAM Monitor
934
Configuring the Switch Access Using AAA
935
Understanding How Authentication Works
936
Authentication Overview
936
Understanding How Login Authentication Works
936
Understanding How Local Authentication Works
937
Understanding How Local User Authentication Works
937
Understanding How TACACS+ Authentication Works
938
Understanding How RADIUS Authentication Works
939
Understanding How Kerberos Authentication Works
939
Configuring Authentication on the Switch
943
Authentication Default Configuration
944
Authentication Configuration Guidelines
945
Configuring Login Authentication
945
Configuring Local Authentication
947
Recovering a Lost Password
950
Configuring Local User Authentication
951
Show Authentication
952
Configuring TACACS+ Authentication
953
Configuring RADIUS Authentication
959
Specifying Radius Servers
960
Configuring Kerberos Authentication
967
Verify the Configuration
969
Authentication Example
977
Understanding How Authorization Works
978
Authorization Overview
978
Authorization Events
979
TACACS+ Primary Options and Fallback Options
979
TACACS+ Command Authorization
979
RADIUS Authorization
980
Configuring Authorization on the Switch
980
TACACS+ Authorization Default Configuration
980
TACACS+ Authorization Configuration Guidelines
981
Configuring TACACS+ Authorization
981
Configuring RADIUS Authorization
984
Authorization Example
985
Understanding How Accounting Works
986
Accounting Overview
986
Accounting Events
986
Specifying When to Create Accounting Records
987
Specifying RADIUS Servers
987
Updating the Server
988
Suppressing Accounting
988
Configuring Accounting on the Switch
989
Accounting Default Configuration
989
Accounting Configuration Guidelines
989
Accounting Example
992
CHAPTER 40 Configuring 802.1X Authentication40-1
996
Understanding How 802.1X Authentication Works
996
Device Roles
996
Authentication Initiation and Message Exchange
997
Ports in Authorized and Unauthorized States
998
Authentication Server
1000
X Parameters Configurable on the Switch
1000
Understanding How 802.1X VLAN Assignments Using a RADIUS Server Work
1001
Understanding How 802.1X Authentication with DHCP Works
1002
Understanding How 802.1X Authentication on Ports Configured for Auxiliary VLAN Traffic Works
1002
Understanding How 802.1X Authentication for the Guest VLAN Works
1003
Understanding How 802.1X Authentication with Port Security Works
1004
Understanding How 802.1X Authentication with ARP Traffic Inspection Works
1005
Default Authentication Configuration
1005
Authentication Configuration Guidelines
1006
Configuring 802.1X Authentication on the Switch
1007
Enabling 802.1X Authentication Globally
1008
Disabling 802.1X Authentication Globally
1008
Enabling 802.1X Authentication for Individual Ports
1009
Enabling 802.1X with Inaccessible Authentication Bypass
1009
Enabling Multiple 802.1X Authentications
1010
Setting and Enabling Automatic Reauthentication of the Host
1011
Manually Reauthenticating the Host
1012
Enabling Multiple Hosts
1012
Disabling Multiple Hosts
1013
Setting the Quiet Period
1013
Setting the Shutdown Timeout Period
1013
Setting the Authenticator-To-Host Retransmission Time for EAP-Request/Identity Frames
1014
Setting the Back-End Authenticator-To-Host Retransmission Time for the EAP-Request Frames
1014
Layer Packets
1015
Setting the Back-End Authenticator-To-Host Frame-Retransmission Number
1015
Setting the Critical Recovery Delay for an Authentication Feature
1015
Resetting the 802.1X Configuration Parameters to the Default Values
1016
Enabling 802.1X Authentication for the DHCP Relay Agent
1017
Disabling 802.1X Authentication for the DHCP Relay Agent
1018
Adding Hosts to an 802.1X Guest VLAN
1018
Configuring an 802.1X Unidirectional Controlled Port
1019
Configuring 802.1X with ACL Assignments
1020
Configuring 802.1X User Distribution
1026
Enabling and Disabling 802.1X RADIUS Accounting and Tracking
1028
Enabling and Disabling RADIUS Keepalive
1030
Configuring the Authenticated Identity-To-Port Description Mappings
1031
Configuring the DNS Resolution for a RADIUS Server Configuration
1031
Configuring the Authentication Failure VLAN
1032
Configuring a RADIUS Server Failover
1034
Configuring 802.1X Authentication with Private Vlans
1035
Using the Show Commands
1041
Configuring Mac Authentication Bypass
1045
Understanding How MAC Authentication Bypass Works
1046
Overview
1046
Understanding Reauthentication of MAC Addresses
1046
Understanding MAC Authentication Bypass States
1047
Understanding MAC Authentication Bypass Events
1048
MAC Authentication Bypass Configuration Guidelines and Restrictions
1048
Configuring MAC Authentication Bypass
1050
Enabling or Disabling MAC Authentication Bypass Globally
1050
Enabling or Disabling MAC Authentication Bypass on a Port
1050
Initializing the MAC Authentication Bypass State for a Port
1051
Reauthenticating the MAC Address for a Port
1051
Specifying the Shutdown Timeout Period
1051
Specifying the Authfail Timeout Period
1052
Specifying the Reauthentication Timeout Period
1052
Enabling or Disabling Reauthentication
1053
Specifying the Security Violation Mode
1053
Enabling or Disabling MAC Authentication Bypass RADIUS Accounting
1053
Configuring a PVLAN on a MAC Authentication Bypass-Enabled Port
1054
Configuring MAC Authentication Bypass on a PVLAN Port
1055
Displaying MAC Authentication Bypass Information
1055
Displaying the MAC Authentication Bypass Global Configuration
1056
Configuring MAC Authentication Bypass with ACL Assignments
1057
Configuring MAC Authentication Bypass with Qos Acls
1057
Configuring Agentless Hosts for NAC Auditing with MAB
1058
NAC Agentless Hosts Auditing Overview
1058
Configuring the Switch
1058
Configuring the Cisco Secure ACS Server
1059
Installing and Configuring the NAC Audit Server
1060
Displaying the Agentless Host Posture Tokens
1060
Interaction of Agentless Host Audit with Security Features
1061
CHAPTER 42 Configuring Web-Based Proxy Authentication
1064
Understanding How Web-Based Proxy Authentication Works
1064
Device Roles
1064
Authentication Initiation and Message Exchange
1065
Host Detection and HTTP Traffic Interception
1066
Access Control
1067
Supported HTML Pages for Web-Based Proxy Authentication
1067
Multiple Hosts Per Port
1068
High Availability
1068
Host State
1068
Interaction with Other Features
1069
Default Web-Based Proxy Authentication Configuration
1070
Web-Based Authentication Guidelines and Restrictions
1070
Configuring Web-Based Proxy Authentication
1071
Enabling or Disabling Web-Based Proxy Authentication Globally
1072
Enabling or Disabling Web-Based Proxy Authentication on a Port
1072
Initializing Web-Based Proxy Authentication on a Port
1073
Configuring the Login Page URL
1073
Configuring the Login-Fail Page URL
1074
Specifying the Session Timeout Period
1074
Specifying the Quiet Period
1074
Specifying the Maximum Login Attempts
1075
Displaying Web-Based Proxy Authentication Information
1075
Displaying Statistics
1077
CHAPTER 43 Tracking Host Aging43-1
1079
Understanding How Host Aging Is Tracked
1079
Configuring IP Device Tracking Globally
1079
Specifying the IP Device Tracking Interval
1080
Specifying the IP Device Tracking Count
1080
Configuring IP Device Tracking on a Port
1081
Enabling or Disabling IP Device Tracking on a Port with 802.1X Authentication
1081
Enabling or Disabling IP Device Tracking on a Port with MAC Authentication Bypass
1081
Enabling or Disabling IP Device Tracking on a Port with Web-Based Proxy Authentication
1081
Enabling or Disabling IP Device Tracking on a Port with Eou
1081
Enabling or Disabling Ip Device Tracking on a Port with Eou
1084
Configuring Network Admission Control
1085
CHAPTER 44 Configuring Network Admission Control
1086
Configuring Network Admission Control with LAN Port IP
1086
Understanding How Network Admission Control with LAN Port IP Works
1086
LAN Port IP Posture Validation Summary
1089
LAN Port IP Hardware and Software Requirements
1090
LAN Port IP Configuration Guidelines and Restrictions
1090
Configuring LAN Port IP
1092
LAN Port IP CLI Command Examples
1093
Configuring Policy-Based Acls
1105
Configuring Inaccessible Authentication Bypass
1108
LAN Port IP Configuration Example
1114
LAN Port IP Enhancements in Software Release 8.6(1) and Later Releases
1116
Configuring Network Admission Control with LAN Port 802.1X
1118
Understanding How Network Admission Control with LAN Port 802.1X Works
1118
LAN Port 802.1X Enhancements in Software Release 8.6(1) and Later Releases
1120
CHAPTER 45 Configuring Unicast Flood Blocking
1123
Understanding How Unicast Flood Blocking Works
1123
Unicast Flood Blocking Configuration Guidelines
1124
Configuring Unicast Flood Blocking on the Switch
1124
Enabling Unicast Flood Blocking
1124
Disabling Unicast Flood Blocking
1125
Displaying Unicast Flood Blocking
1125
CHAPTER 46 Configuring the Switch Fabric Modules46-1
1127
Understanding How the Integrated 720-Gbps Switch Fabric Works
1127
Understanding How the External Switch Fabric Module Works
1127
Forwarding Modes
1127
Configuring and Monitoring the Integrated Switch Fabric and Switch Fabric Module on the Switch
1127
Understanding How the External Switch Fabric Module Works
1128
Configuring a Fallback Option
1129
Configuring the Switching Mode
1130
Redundancy
1130
Monitoring the Integrated Switch Fabric and Switch Fabric Module
1131
Displaying the Module Information
1132
Monitoring the Integrated Switch Fabric and Switch Fabric Module
1132
Configuring the LCD Banner
1138
CHAPTER 47 Configuring SNMP47-1
1139
SNMP Terminology
1139
Understanding How SNMP Works
1142
Security Models and Levels
1142
SNMP Ifindex Persistence
1143
Understanding How Snmpv1 and Snmpv2C Work
1143
Using Managed Devices
1143
Using the SNMP Agents and Mibs
1144
Using Ciscoworks2000
1144
Understanding How Snmpv3 Works
1145
SNMP Entity
1145
Applications
1147
Enabling and Disabling SNMP Processing
1148
Configuring Snmpv1 and Snmpv2C on the Switch
1149
Snmpv1 and Snmpv2C Default Configuration
1149
Configuring Snmpv1 and Snmpv2C from an NMS
1149
Configuring Snmpv1 and Snmpv2C from the CLI
1149
Snmpv1 and Snmpv2C Enhancements in Software Release 7.5(1)
1150
Setting Multiple SNMP Community Strings
1151
Clearing the SNMP Community Strings
1152
Specifying the Access Numbers for Hosts
1152
Clearing the IP Addresses Associated with Access Numbers
1153
Specifying, Displaying, and Clearing an Interface Alias
1154
Configuring Snmpv3 on the Switch
1154
Snmpv3 Default Configuration
1154
Configuring Snmpv3 from an NMS
1154
Configuring Snmpv3 from the CLI
1155
CHAPTER 48 Configuring RMON48-1
1159
Understanding How RMON Works
1159
Enabling RMON on the Switch
1160
Viewing the RMON Data
1160
Supported RMON and RMON2 MIB Objects
1161
CHAPTER 49 Configuring SPAN, RSPAN and the Mini Protocol Analyzer49-1
1163
Understanding How SPAN and RSPAN Work
1163
SPAN Session
1164
Destination Port
1164
Source Port
1164
Ingress SPAN
1165
Egress SPAN
1165
Vspan
1165
Trunk VLAN Filtering
1166
SPAN Traffic
1166
Understanding How the Mini Protocol Analyzer Works
1166
Mini Protocol Analyzer Session
1167
SPAN, RSPAN and Mini Protocol Analyzer Session Limits
1167
Configuring SPAN on the Switch
1168
SPAN Hardware Requirements
1168
Understanding How SPAN Works
1168
SPAN Configuration Guidelines
1169
Configuring SPAN from the CLI
1170
Configuring RSPAN on the Switch
1172
RSPAN Hardware Requirements
1172
Understanding How RSPAN Works
1172
RSPAN Configuration Guidelines
1173
Configuring RSPAN
1174
RSPAN Configuration Examples
1177
Configuring the Mini Protocol Analyzer on the Switch
1181
Mini Protocol Analyzer Hardware Requirements
1181
Understanding How the Mini Protocol Analyzer Works
1181
Mini Protocol Analyzer Configuration Guidelines
1182
Configuring the Mini Protocol Analyzer from the CLI
1183
Understanding How the Switch Topn Reports Utility Works
1187
Chapter 50 Using Switch Topn Report
1188
Understanding How the Switch Topn Reports Utility Works
1188
Running Switch Topn Reports Without the Background Keyword
1188
Running Switch Topn Reports with the Background Keyword
1188
Running and Viewing Switch Topn Reports
1189
Running and Viewing Switch Topn Reports
1190
CHAPTER 51 Configuring Multicast Services51-1
1193
Understanding How Multicasting Works
1193
Multicasting and Multicast Services Overview
1194
Understanding How IGMP Snooping Works
1194
Understanding How GMRP Works
1198
Understanding How RGMP Works
1198
Suppressing Multicast Traffic
1199
Rate-Limiting RPF Failure Traffic
1199
Enabling the Installation of Directly Connected Subnets
1200
Understanding IGMP Querier
1200
Redundancy for Multicast Traffic
1201
Configuring IGMP Snooping on the Switch
1202
Default IGMP Snooping Configuration
1202
IGMP Snooping Configuration Guidelines
1203
Enabling IGMP Snooping
1203
Enabling IGMP Flooding
1204
Specifying the IGMP Snooping Mode
1204
Specifying the IGMP Leave-Query Type
1205
Enabling IGMP Fast-Leave Processing
1205
Enabling IGMP Version 3 Snooping
1206
Enabling IGMP Version 3 Fast-Block Processing
1207
Enabling IGMP Rate Limiting
1207
Enabling the IGMP Querier
1208
Displaying Multicast Router Information
1209
Displaying Multicast Group Information
1210
Displaying IGMP Snooping Statistics
1210
Disabling IGMP Fast-Leave Processing
1211
Disabling IGMP Snooping
1211
Configuring GMRP on the Switch
1212
GMRP Software Requirements
1212
Default GMRP Configuration
1212
Enabling GMRP Globally
1213
Enabling GMRP on Individual Switch Ports
1213
Disabling GMRP on Individual Switch Ports
1214
Enabling the GMRP Forward-All Option on a Switch Port
1214
Disabling the GMRP Forward-All Option on a Switch Port
1215
Configuring GMRP Registration
1215
Setting the GARP Timers
1217
Displaying GMRP Statistics
1218
Clearing GMRP Statistics
1218
Disabling GMRP Globally on the Switch
1219
Configuring Multicast Router Ports and Group Entries on the Switch
1219
Specifying Multicast Router Ports
1219
Configuring Multicast Groups
1220
Clearing Multicast Router Ports
1221
Clearing Multicast Group Entries
1221
Understanding How RGMP Works
1221
Configuring RGMP on the Switch
1223
Configuring RGMP on the Supervisor Engine
1223
Configuring RGMP on the MSFC
1227
Displaying the Multicast Protocol Status
1227
Understanding How Bidirectional PIM Works
1227
Configuring Bidirectional PIM on the Switch
1228
Enabling or Disabling Bidirectional PIM Globally
1228
Configuring the Rendezvous Point for Bidirectional Groups
1229
Setting the Bidirectional PIM Scan Interval
1229
Displaying Bidirectional PIM Information
1230
CHAPTER 52 Configuring Qos52-1
1233
Understanding How Qos Works
1233
Qos Terminology
1234
Flowcharts
1235
Qos Feature Set Summary
1242
Ethernet Ingress Port Marking, Scheduling, Congestion Avoidance, and Classification
1244
Classification, Marking, and Policing with a Layer 3 Switching Engine
1247
Named Acls
1249
Classification and Marking on a Supervisor Engine 1 with a Layer 2 Switching Engine
1260
Ethernet Egress Port Scheduling, Congestion Avoidance, and Marking
1260
Qos Statistics Data Export
1261
Qos Default Configuration
1262
Qos Configuration Guidelines and Restrictions
1269
Configuring Qos on the Switch
1270
Enabling Qos
1271
Enabling DSCP Rewrite
1271
Disabling DSCP Rewrite
1272
Enabling Port-Based or VLAN-Based Qos
1272
Configuring the Trust State of a Port
1273
Configuring the Cos Value for a Port
1273
Creating Policers
1274
Deleting Policers
1277
Creating or Modifying Acls
1277
Attaching an ACL to an Interface
1288
Detaching an ACL from an Interface
1289
Configuring PFC3 Egress DSCP Mutation
1290
Configuring Cos-To-Cos Maps on 802.1Q Tunnel Ports
1292
Mapping a Cos Value to a Host Destination MAC Address/Vlan Pair
1293
Deleting a Cos Value to a Host Destination MAC Address/Vlan Pair
1294
Enabling or Disabling Microflow Policing of Bridged Traffic
1294
Configuring the Standard Receive-Queue Tail-Drop Thresholds
1295
Configuring the 2Q2T Port Standard Transmit-Queue Tail-Drop Thresholds
1295
Configuring the Standard Queue WRED-Drop Thresholds
1296
Allocating Bandwidth between the Standard Transmit Queues
1298
Configuring the Receive-Queue Size Ratio
1299
Configuring the Transmit-Queue Size Ratio
1299
Mapping the Cos Values to the Drop Thresholds
1299
Configuring the DSCP Value Maps
1305
Displaying Qos Information
1308
Displaying the Qos Statistics
1309
Reverting to the Qos Defaults
1311
Disabling Qos
1311
Configuring COPS Support
1311
Configuring RSVP Support
1317
Configuring Qos Statistics Data Export
1321
CHAPTER 53 Using Automatic Qos53-1
1327
Understanding How Automatic Qos Works
1327
Qos Overview
1328
Typical Cos and DSCP Values for Voice and Video Networks
1328
Qos Scenario—Cisco IP Phone
1329
Qos Scenario—Cisco Softphone
1329
Using the Automatic Qos Macro on the Switch
1329
Automatic Qos Overview
1330
Automatic Qos Configuration Guidelines and Restrictions
1330
Global Automatic Qos Macro
1332
Port-Specific Automatic Qos Macro
1335
CLI Interface for Automatic Qos
1339
Detailed Automatic Qos Configuration Statements
1344
Warning and Error Conditions
1349
Syslog Additions
1351
Other Relevant Syslog Messages
1352
Summary of Automatic Qos Features
1353
Using Automatic Qos in Your Network
1354
Hardware and Software Requirements
1357
CHAPTER 54 Configuring ASLB54-1
1358
Understanding How ASLB Works
1358
Layer 3 Operations for ASLB
1359
Layer 2 Operations for ASLB
1359
Client-To-Server Data Forwarding
1360
Server-To-Client Data Forwarding
1362
Cabling Guidelines
1363
Configuring ASLB on the Switch
1363
Configuring the Localdirector Interfaces
1363
ASLB Configuration Guidelines
1364
Configuring ASLB from the CLI
1367
ASLB Configuration Example
1374
ASLB Redundant Configuration Example
1377
IP Addresses
1378
MAC Addresses
1379
Catalyst 6500 Series Switch 1 Configuration
1379
Catalyst 6500 Series Switch 2 Configuration
1379
Router 1 Configuration
1379
Router 2 Configuration
1380
Localdirector Configuration
1380
Troubleshooting the ASLB Configuration
1381
Hardware and Software Requirements
1383
CHAPTER 55 Configuring a Voip Network55-1
1384
Understanding How a Voip Network Works
1384
Cisco IP Phone 7960
1384
Cisco Callmanager
1387
Access Gateways
1387
Understanding How Vlans Work
1390
Understanding How CDP and Voip Work
1392
Configuring Voip on a Switch
1392
Voice-Related CLI Commands
1392
Configuring Per-Port Power Management
1393
Power Management Modes
1395
Phone Detection Summary
1398
Displaying the Power Status for Modules and Individual Ports
1400
Configuring the Auxiliary Vlans on Catalyst LAN Switches
1402
Configuring the Access Gateways
1405
Displaying the Active Call Information
1411
Configuring Qos in the Cisco IP Phone 7960
1413
Configuring a Trusted Boundary to Ensure Port Security
1415
Using Smartports
1420
Understanding Smartports Macros
1420
Smartports—Cisco IP Phone
1421
Smartports—Cisco Softphone
1421
Smartports Guidelines and Restrictions
1422
CLI Interface for Smartports
1423
Detailed Smartports Statements
1424
How to Use Smartports in Your Network
1425
Smartports Enhancements in Software Release 8.4(1)
1426
Configuring User-Definable Smartports Macros
1429
C H a P T E R 56 Configuring the MSFC Cisco IOS Features
1440
CHAPTER 56 Configuring the MSFC Cisco IOS Features56-1
1440
IP-In-IP Tunneling
1440
IP-In-IP Configuration Guidelines
1440
Wccp
1441
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Cisco WS-C6506 Specifications
General
Brand
Cisco
Model
WS-C6506
Category
Switch
Language
English
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