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WS-X6148-RJ21V=
Cisco WS-X6148-RJ21V= Manuals
Manuals and User Guides for Cisco WS-X6148-RJ21V=. We have
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Cisco WS-X6148-RJ21V= Software Manual (880 pages)
Catalyst 6000 Series Software Configuration Guide
Brand:
Cisco
| Category:
Switch
| Size: 10.13 MB
Table of Contents
Table of Contents
3
Audience
27
Organization
27
Preface
27
Related Documentation
29
Conventions
30
Obtaining Documentation
31
Cisco.com
31
Documentation CD-ROM
31
Ordering Documentation
31
Documentation Feedback
32
Obtaining Technical Assistance
32
Cisco.com
32
Technical Assistance Center
32
Obtaining Additional Publications and Information
34
Chapter 1 Product Overview
35
Command-Line Interfaces
37
Catalyst Command-Line Interface
37
ROM-Monitor Command-Line Interface
37
Switch Command-Line Interface
38
MSFC Command-Line Interface
44
Cisco IOS Command Modes
44
Cisco IOS Command-Line Interface
46
CHAPTER 3 Configuring the Switch IP Address and Default Gateway
49
Understanding the Switch Management Interfaces
49
Understanding Automatic IP Configuration
50
Automatic IP Configuration Overview
50
Understanding How DHCP Works
50
Understanding How BOOTP and RARP Work
51
Preparing to Configure the IP Address and Default Gateway
52
Booting the MSFC for the First Time
52
Default IP Address and Default Gateway Configuration
53
Assigning the In-Band (Sc0) Interface IP Address
53
Configuring Default Gateways
54
Configuring the SLIP (Sl0) Interface on the Console Port
55
Using BOOTP, DHCP, or RARP to Obtain an IP Address
57
Renewing and Releasing a DHCP-Assigned IP Address
58
Chapter 4 Configuring Ethernet, Fast Ethernet, and Gigabit Ethernet Switching
59
Understanding How Ethernet Works
59
Switching Frames between Segments
60
Building the Address Table
60
Understanding How Port Negotiation Works
60
Default Ethernet, Fast Ethernet, and Gigabit Ethernet Configuration
61
Setting the Port Configuration
62
Setting the Port Name
62
Setting the Port Speed
63
Setting the Port Duplex Mode
63
Configuring IEEE 802.3X Flow Control
64
Enabling and Disabling Port Negotiation
65
Changing the Default Port Enable State
65
Setting the Port Debounce Timer
66
Configuring a Timeout Period for Ports in Errdisable State
67
Configuring the Jumbo Frame Feature
69
Task
71
Step 1
71
Command
71
Checking Connectivity
71
CHAPTER 5 Configuring Ethernet VLAN Trunks
73
Understanding How VLAN Trunks Work
73
Trunking Overview
73
Trunking Modes and Encapsulation Types
74
Q Trunk Restrictions
76
Default Trunk Configuration
77
Configuring a Trunk Link
77
Configuring an ISL Trunk
77
Configuring an 802.1Q Trunk
78
Configuring an ISL/802.1Q Negotiating Trunk Port
79
Defining the Allowed Vlans on a Trunk
79
Disabling a Trunk Port
80
Example VLAN Trunk Configurations
81
ISL Trunk Configuration Example
81
ISL Trunk over Etherchannel Link Example
82
Q Trunk over Etherchannel Link Example
85
Load-Sharing VLAN Traffic over Parallel Trunks Example
88
Disabling VLAN 1 on Trunks
95
Disabling VLAN 1 on a Trunk Link
95
Chapter 6 Configuring Etherchannel
97
Understanding How Etherchannel Works
97
Understanding Administrative Groups
98
Understanding Etherchannel Ids
98
Understanding Port Aggregation Protocol
98
Understanding Frame Distribution
99
Etherchannel Configuration Guidelines
100
Configuring Etherchannel
100
Configuring an Etherchannel
101
Setting the Etherchannel Port Mode
101
Setting the Etherchannel Port Path Cost
102
Setting the Etherchannel VLAN Cost
102
Configuring Etherchannel Frame Distribution
104
Displaying Etherchannel Traffic Utilization
104
Displaying Outgoing Ports for a Specified Address or Layer 4 Port Number
104
Disabling an Etherchannel
105
Chapter 7 Configuring IEEE 802.1Q Tunneling
107
Understanding How 802.1Q Tunneling Works
107
802.1Q Tunneling Configuration Guidelines
108
Configuring Support for 802.1Q Tunneling
109
Configuring the Switch to Support 802.1Q Tunneling
109
Configuring 802.1Q Tunnel Ports
110
Clearing 802.1Q Tunnel Ports
110
Removing Global Support for 802.1Q Tunneling
110
CHAPTER 8 Configuring Spanning Tree1
114
Understanding How Spanning Tree Protocols Work
114
Understanding How a Topology Is Created
114
Understanding How a Switch Becomes the Root Switch
115
Understanding How Bridge Protocol Data Units Work
115
Calculating and Assigning Port Costs
116
Spanning Tree Port States
117
Blocking State
119
Listening State
119
Learning State
120
Forwarding State
122
Understanding PVST+ and MISTP Modes
123
Disabled State
123
MISTP Mode
124
PVST+ Mode
124
MISTP-PVST+ Mode
125
Bridge Identifiers
125
MAC Address Allocation
125
MAC Address Reduction
125
Using PVST
127
Default PVST+ Configuration
127
Setting the PVST+ Bridge ID Priority
128
Configuring the PVST+ Port Cost
129
Configuring the PVST+ Port Priority
130
Configuring the PVST+ Default Port Cost Mode
130
Configuring the PVST+ Port Cost for a VLAN
131
Configuring the PVST+ Port Priority for a VLAN
132
Disabling the PVST+ Mode on a VLAN
132
Using MISTP-PVST+ or MISTP
134
Default MISTP and MISTP-PVST+ Configuration
135
Setting MISTP-PVST+ Mode or MISTP Mode
135
Configuring an MISTP Instance
137
Enabling an MISTP Instance
140
Mapping Vlans to an MISTP Instance
141
Disabling MISTP-PVST+ or MISTP
143
Configuring a Root Switch
143
Configuring a Primary Root Switch
143
Configuring a Secondary Root Switch
144
Configuring a Root Switch to Improve Convergence
145
Using Root Guard-Preventing Switches from Becoming Root
146
Configuring Spanning Tree Timers
147
Configuring the Hello Time
147
Configuring the Forward Delay Time
148
Configuring the Maximum Aging Time
148
Understanding How BPDU Skewing Works
149
Configuring BPDU Skewing
150
CHAPTER 9 Configuring Spanning Tree Portfast, Uplinkfast, Backbonefast, and Loop Guard
154
Understanding How Portfast BPDU Guard Works
154
Understanding How Portfast BPDU Filter Works
154
Understanding How Portfast Works
154
Understanding How Uplinkfast Works
155
Understanding How Backbonefast Works
156
Understanding How Loop Guard Works
157
Configuring Portfast
159
Enabling Portfast
160
Disabling Portfast
160
Configuring Portfast BPDU Guard
161
Enabling Portfast BPDU Guard
161
Disabling Portfast BPDU Guard
162
Configuring Portfast BPDU Filter
163
Enabling Portfast BPDU Filter
163
Disabling Portfast BPDU Filter
164
Configuring Uplinkfast
165
Enabling Uplinkfast
165
Disabling Uplinkfast
166
Configuring Backbonefast
167
Enabling Backbonefast
167
Displaying Backbonefast Statistics
168
Disabling Backbonefast
168
Configuring Backbonefast
168
Configuring Loop Guard
169
Enabling Loop Guard
169
Disabling Loop Guard
169
Configuring VTP
171
Understanding How VTP Works
171
Understanding the VTP Domain
172
Understanding VTP Modes
172
Understanding VTP Advertisements
172
Understanding VTP Version
173
Understanding VTP Pruning
173
Configuring VTP
175
Configuring a VTP Server
176
Configuring a VTP Client
176
Disabling VTP (VTP Transparent Mode)
177
Enabling VTP Version 2
178
Disabling VTP Version 2
179
Enabling VTP Pruning
179
Disabling VTP Pruning
180
Displaying VTP
180
Default VTP Configuration
175
VTP Configuration Guidelines
175
Chapter 11 Configuring Vlans
183
Understanding How Vlans Work
184
VLAN Ranges
184
Configurable VLAN Parameters
185
Default VLAN Configuration
186
Configuring Normal-Range Vlans
187
Normal-Range VLAN Configuration Guidelines
187
Creating Normal-Range Vlans
187
Modifying Normal-Range Vlans
188
Configuring Extended-Range Vlans
188
Extended-Range VLAN Configuration Guidelines
189
Creating Extended-Range Vlans
189
Mapping Vlans to Vlans
190
Mapping Reserved Vlans to Nonreserved Vlans
191
Deleting Reserved-To-Nonreserved VLAN Mappings
192
Mapping 802.1Q Vlans to ISL Vlans
192
Deleting 802.1Q-To-ISL VLAN Mappings
193
Assigning Switch Ports to a VLAN
194
Deleting a VLAN
195
Configuring Private Vlans
196
Understanding How Private Vlans Work
196
Private VLAN Configuration Guidelines
197
Creating a Primary Private VLAN
200
Viewing the Port Capability of a Private VLAN Port
203
Deleting a Private VLAN
204
Deleting an Isolated, Community, or Two-Way Community VLAN
204
Deleting a Private VLAN Mapping
205
Private VLAN Support on the MSFC
205
Configuring FDDI Vlans
206
Configuring Token Ring Vlans
207
Understanding Token Ring Trbrf Vlans
207
Understanding Token Ring Trcrf Vlans
207
Token Ring VLAN Configuration Guidelines
209
Creating or Modifying a Token Ring Trbrf VLAN
209
Creating or Modifying a Token Ring Trcrf VLAN
210
Chapter 12 Configuring Intervlan Routing
213
Understanding How Intervlan Routing Works
213
Configuring Intervlan Routing on the MSFC
214
MSFC Routing Configuration Guidelines
214
Configuring IP Intervlan Routing on the MSFC
215
Configuring IPX Intervlan Routing on the MSFC
215
Configuring Appletalk Intervlan Routing on the MSFC
216
Configuring MSFC Features
216
Chapter 13 Configuring CEF for PFC2
221
Understanding How Layer 3 Switching Works
221
Layer 3 Switching Overview
222
Understanding Layer 3-Switched Packet Rewrite
222
Understanding CEF for PFC2
224
Understanding Netflow Statistics
229
Default CEF for PFC2 Configuration
230
CEF for PFC2 Configuration Guidelines and Restrictions
231
Configuring CEF for PFC2
232
Displaying Layer 3-Switching Entries on the Supervisor Engine
232
Configuring CEF on the MSFC2
234
Configuring IP Multicast on the MSFC2
234
Displaying IP Multicast Information
236
Configuring Netflow Statistics
242
Specifying the Netflow Table Entry Aging-Time Value
243
Specifying Netflow Table IP Entry Fast Aging Time and Packet Threshold Values
244
Setting the Minimum Statistics Flow Mask
244
Excluding IP Protocol Entries from the Netflow Table
245
Displaying Netflow Statistics
245
Clearing Netflow IP and IPX Statistics
246
Displaying Netflow Statistics Debug Information
248
Chapter 14 Configuring MLS
249
Understanding How Layer 3 Switching Works
249
Understanding Layer 3-Switched Packet Rewrite
250
Understanding MLS
252
Default MLS Configuration
258
Configuration Guidelines and Restrictions
259
Ip Mls
259
Ip Mmls
260
Ipx Mls
261
Configuring MLS
262
Configuring Unicast MLS on the MSFC
262
Configuring MLS on Supervisor Engine 1
265
Configuring IP MMLS
276
Chapter 15 Configuring NDE
287
Understanding How NDE Works
287
Overview of NDE and Integrated Layer 3 Switching Management
287
Traffic Statistics Data Collection
288
Using NDE Filters
289
Default NDE Configuration
289
Configuring NDE
289
Usage Guidelines
290
Specifying an NDE Collector
290
Specifying an NDE Destination Address on the MSFC
291
Specifying an NDE Source Address on the MSFC
291
Enabling NDE
292
Specifying a Destination Host Filter
292
Specifying a Destination and Source Subnet Filter
292
Specifying a Destination TCP/UDP Port Filter
293
Specifying a Source Host and Destination TCP/UDP Port Filter
293
Specifying a Protocol Filter
294
Specifying Protocols for Statistics Collection
294
Removing Protocols for Statistics Collection
294
Clearing the NDE Flow Filter
295
Disabling NDE
295
Removing the NDE IP Address
295
Displaying the NDE Configuration
296
Chapter 16 Configuring Access Control
297
Understanding How Acls Work
297
Hardware Requirements
298
Supported Acls
298
Qos Acls
298
Cisco IOS Acls
299
Vacls
299
Applying Cisco IOS Acls and Vacls on Vlans
303
Bridged Packets
303
Routed Packets
303
Multicast Packets
304
Using Cisco IOS Acls in Your Network
305
Hardware and Software Handling of Cisco IOS Acls with PFC
306
Hardware and Software Handling of Cisco IOS Acls with PFC2
308
Using Vacls with Cisco IOS Acls
311
Guidelines for Configuring Cisco IOS Acls and Vacls on the same VLAN Interface
312
Guidelines for Using Layer 4 Operations
316
Using Vacls in Your Network
318
Wiring Closet Configuration
318
Redirecting Broadcast Traffic to a Specific Server Port
319
Restricting the DHCP Response for a Specific Server
320
Denying Access to a Server on Another VLAN
321
Restricting ARP Traffic
322
Configuring Acls on Private Vlans
322
Capturing Traffic Flows
323
Unsupported Features
323
Configuring Vacls
324
VACL Configuration Guidelines
324
VACL Configuration Summary
325
Configuring Vacls from the CLI
325
Configuring and Storing Vacls and Qos Acls in Flash Memory
338
Automatically Moving the VACL and Qos ACL Configuration to Flash Memory
339
Manually Moving the VACL and Qos ACL Configuration to Flash Memory
340
Running with the VACL and Qos ACL Configuration in Flash Memory
341
Moving the VACL and Qos ACL Configuration Back to NVRAM
342
Redundancy Synchronization Support
342
Interacting with High Availability
342
Configuring Policy-Based Forwarding
342
Understanding How Policy-Based Forwarding Works
343
Hardware and Software Requirements
343
Configuring Policy-Based Forwarding
344
Enabling PBF and Specifying a MAC Address for the PFC2
344
Configuring Vacls for PBF
346
Displaying PBF Information
348
Clearing Entries in PBF Vacls
348
Rolling Back Adjacency Table Entries in the Edit Buffer
349
Configuring Hosts for PBF
349
Policy-Based Forwarding Configuration Example
351
Chapter 17 Configuring GVRP
355
Understanding How GVRP Works
355
Default GVRP Configuration
356
GVRP Configuration Guidelines
356
Configuring GVRP
356
Enabling GVRP Globally
357
Enabling GVRP on Individual 802.1Q Trunk Ports
357
Enabling GVRP Dynamic VLAN Creation
358
Configuring GVRP Registration
359
Configuring GVRP VLAN Declarations from Blocking Ports
360
Setting the GARP Timers
361
Displaying GVRP Statistics
362
Clearing GVRP Statistics
362
Disabling GVRP on Individual 802.1Q Trunk Ports
362
Disabling GVRP Globally
363
Chapter 18 Configuring Dynamic Port VLAN Membership with VMPS
365
Understanding How VMPS Works
365
Default VMPS and Dynamic Port Configuration
366
Dynamic Port VLAN Membership and VMPS Configuration Guidelines
367
Configuring VMPS and Dynamic Port VLAN Membership
367
Creating the VMPS Database
368
Configuring VMPS
369
Configuring Dynamic Ports on VMPS Clients
369
Administering and Monitoring VMPS
370
Configuring Static VLAN Port Membership
371
Troubleshooting VMPS and Dynamic Port VLAN Membership
372
Troubleshooting VMPS
372
Troubleshooting Dynamic Port VLAN Membership
372
Dynamic Port VLAN Membership with VMPS Configuration Examples
373
VMPS Database Configuration File Example
373
Dynamic Port VLAN Membership Configuration Example
374
Dynamic Port VLAN Membership with Auxiliary Vlans
376
Configuration Guidelines
377
Configuring Dynamic Port VLAN Membership with Auxiliary Vlans
377
Chapter 19 Checking Port Status and Connectivity
379
Checking Module Status
379
Checking Port Status
380
Checking Port Capabilities
382
Using Telnet
382
Using Secure Shell Encryption for Telnet Sessions
383
Monitoring User Sessions
384
Using Ping
385
Understanding How Ping Works
385
Executing Ping
386
Using Layer 2 Traceroute
387
Layer 2 Traceroute Usage Guidelines
387
Identifying a Layer 2 Path
388
Using IP Traceroute
388
Understanding How IP Traceroute Works
388
Executing IP Traceroute
389
Chapter 20 Administering the Switch
391
Setting the System Name and System Prompt
391
Setting the Static System Name and Prompt
392
Setting the System Contact and Location
393
Setting the System Clock
394
Creating a Login Banner
394
Configuring a Login Banner
395
Clearing the Login Banner
395
Defining Command Aliases
395
Defining IP Aliases
396
Configuring Static Routes
397
Configuring Permanent and Static ARP Entries
398
Scheduling a System Reset
399
Scheduling a Reset at a Specific Time
400
Scheduling a Reset Within a Specified Amount of Time
400
Power Management
401
Enabling or Disabling Power Redundancy
401
Using the CLI to Power Modules up or down
403
Determining System Power Requirements
404
Environmental Monitoring
406
Environmental Monitoring Using CLI Commands
406
LED Indications
406
Displaying System Status Information for Technical Support
407
Generating a System Status Report
408
Using System Dump Files
408
Chapter 21 Configuring Switch Access Using AAA
411
Understanding How Authentication Works
411
Authentication Overview
412
Understanding How Login Authentication Works
412
Understanding How Local Authentication Works
412
Understanding How TACACS+ Authentication Works
413
Understanding How RADIUS Authentication Works
414
Understanding How Kerberos Authentication Works
414
Understanding How 802.1X Authentication Works
417
Configuring Authentication
419
Authentication Server
419
Authentication Default Configuration
420
Authentication Configuration Guidelines
421
Configuring Login Authentication
422
Configuring Local Authentication
423
Configuring TACACS+ Authentication
427
Configuring RADIUS Authentication
433
Configuring Kerberos Authentication
441
Configuring 802.1X Authentication
450
Authentication Example
458
Understanding How Authorization Works
459
Authorization Overview
459
Authorization Events
459
TACACS+ Primary Options and Fallback Options
460
TACACS+ Command Authorization
460
RADIUS Authorization
461
Configuring Authorization
461
TACACS+ Authorization Default Configuration
461
TACACS+ Authorization Configuration Guidelines
461
Configuring TACACS+ Authorization
462
Configuring RADIUS Authorization
465
Authorization Example
465
Understanding How Accounting Works
466
Accounting Overview
466
Accounting Events
467
Specifying When to Create Accounting Records
467
Specifying RADIUS Servers
468
Updating the Server
469
Suppressing Accounting
469
Configuring Accounting
469
Accounting Default Configuration
469
Accounting Configuration Guidelines
470
Configuring Accounting
470
Accounting Example
473
Chapter 22 Configuring Redundancy
475
Understanding How Supervisor Engine Redundancy Works
476
Configuring Redundant Supervisor Engines
477
Synchronization Process Initiation
478
Redundant Supervisor Engine Configuration Guidelines and Restrictions
478
Verifying Standby Supervisor Engine Status
479
Forcing a Switchover to the Standby Supervisor Engine
480
High Availability
482
Supervisor Engine Synchronization Examples
488
MSFC Redundancy
492
Dual MSFC Redundancy
493
Configuration Examples
502
Single Router Mode Redundancy
515
Manual-Mode MSFC Redundancy
519
Chapter 23 Modifying the Switch Boot Configuration
525
Understanding How the Switch Boot Configuration Works
525
Understanding the Boot Process
525
Understanding the ROM Monitor
526
Understanding the Configuration Register
526
Understanding the BOOT Environment Variable
527
Understanding the CONFIG_FILE Environment Variable
527
Default Switch Boot Configuration
528
Setting the Configuration Register
529
Setting the Boot Field in the Configuration Register
529
Setting the ROM-Monitor Console-Port Baud Rate
530
Setting CONFIG_FILE Recurrence
531
Setting CONFIG_FILE Overwrite
531
Setting CONFIG_FILE Synchronization
532
Setting the Switch to Ignore the NVRAM Configuration
533
Setting the Configuration Register Value
534
Setting the BOOT Environment Variable
534
Clearing the BOOT Environment Variable Settings
535
Setting the CONFIG_FILE Environment Variable
535
Clearing the CONFIG_FILE Environment Variable Settings
536
Displaying the Switch Boot Configuration
536
Chapter 24 Working with the Flash File System
537
Understanding How the Flash File System Works
537
Working with the Flash File System
537
Setting the Default Flash Device
538
Setting the Text File Configuration Mode
538
Listing the Files on a Flash Device
539
Copying Files
540
Deleting Files
542
Restoring Deleted Files
543
Verifying a File Checksum
543
Formatting a Flash Device
544
Chapter 25 Working with System Software Images
545
Software Image Naming Conventions
545
Downloading Software Images to the Switch with TFTP
546
Understanding How TFTP Software Image Downloads Work
546
Preparing to Download an Image Using TFTP
546
Downloading Supervisor Engine Images Using TFTP
547
Downloading Switching Module Images Using TFTP
548
TFTP Download Procedures Example
549
Uploading System Software Images to a TFTP Server
552
Preparing to Upload an Image to a TFTP Server
552
Downloading System Software Images Using Rcp
553
Preparing to Download an Image Using Rcp
553
Downloading Supervisor Engine Images Using Rcp
554
Downloading Switching Module Images Using Rcp
554
Example Rcp Download Procedures
555
Uploading System Software Images to an Rcp Server
558
Preparing to Upload an Image to an Rcp Server
559
Uploading Software Images to an Rcp Server
559
Downloading Software Images over a Serial Connection on the Console Port
559
Preparing to Download an Image Using Kermit
560
Downloading Software Images Using Kermit (PC Procedure)
560
Downloading Software Images Using Kermit (UNIX Procedure)
561
Example Serial Software Image Download Procedures
562
Downloading a System Image Using Xmodem or Ymodem
565
Chapter 26 Working with Configuration Files
567
Working with Configuration Files on the Switch
567
Creating and Using Configuration File Guidelines
567
Creating a Configuration File
568
Downloading Configuration Files to the Switch Using TFTP
569
Uploading Configuration Files to a TFTP Server
571
Copying Configuration Files Using Rcp
572
Downloading Configuration Files from an Rcp Server
572
Uploading Configuration Files to an Rcp Server
573
Clearing the Configuration
574
Working with Configuration Files on the MSFC
575
Uploading the Configuration File to a TFTP Server
576
Uploading the Configuration File to the Supervisor Engine Flash PC Card
577
Downloading the Configuration File from a Remote Host
577
Downloading the Configuration File from the Supervisor Engine Flash PC Card
579
Chapter 27 Configuring System Message Logging
581
Understanding How System Message Logging Works
581
System Log Message Format
583
Default System Message Logging Configuration
584
Configuring System Message Logging
584
Enabling and Disabling Session Logging Settings
585
Setting the System Message Logging Levels
586
Enabling and Disabling the Logging Time Stamp Enable State
586
Setting the Logging Buffer Size
586
Configuring the Syslog Daemon on a UNIX Syslog Server
587
Configuring Syslog Servers
587
Displaying the Logging Configuration
589
Displaying System Messages
590
Chapter 28 Configuring DNS
591
Understanding How DNS Works
591
DNS Default Configuration
591
Configuring DNS
592
Setting up and Enabling DNS
592
Clearing a DNS Server
593
Clearing the DNS Domain Name
593
Disabling DNS
593
Configuring CDP
595
Understanding How CDP Works
595
Default CDP Configuration
596
Configuring CDP
596
Setting the CDP Global Enable and Disable States
596
Setting the CDP Enable and Disable States on a Port
597
Setting the CDP Message Interval
598
Setting the CDP Holdtime
598
Displaying CDP Neighbor Information
599
Chapter 30 Configuring UDLD
601
Understanding How UDLD Works
601
Default UDLD Configuration
602
Configuring UDLD
603
Enabling UDLD Globally
603
Enabling UDLD on Individual Ports
603
Disabling UDLD on Individual Ports
604
Disabling UDLD Globally
604
Specifying the UDLD Message Interval
604
Enabling UDLD Aggressive Mode
605
Displaying the UDLD Configuration
605
Chapter 31 Configuring NTP
607
Understanding How NTP Works
607
NTP Default Configuration
608
Configuring NTP
608
Enabling NTP in Broadcast-Client Mode
609
Configuring NTP in Client Mode
609
Configuring Authentication in Client Mode
610
Setting the Time Zone
611
Enabling the Daylight Saving Time Adjustment
611
Disabling the Daylight Saving Time Adjustment
613
Clearing the Time Zone
613
Clearing NTP Servers
613
Disabling NTP
614
Chapter 32 Configuring Broadcast Suppression
615
Understanding How Broadcast Suppression Works
615
Configuring Broadcast Suppression
616
Enabling Broadcast Suppression
617
Disabling Broadcast Suppression
618
Configuring Layer 3 Protocol Filtering
619
Understanding How Layer 3 Protocol Filtering Works
619
Default Layer 3 Protocol Filtering Configuration
620
Configuring Layer 3 Protocol Filtering
620
Enabling Layer 3 Protocol Filtering
621
Disabling Layer 3 Protocol Filtering
621
Chapter 34 Configuring the IP Permit List
623
Understanding How the IP Permit List Works
623
IP Permit List Default Configuration
624
Configuring the IP Permit List
624
Adding IP Addresses to the IP Permit List
624
Enabling the IP Permit List
625
Disabling the IP Permit List
626
Clearing an IP Permit List Entry
626
Chapter 35 Configuring Port Security
629
Understanding How Port Security Works
629
Allowing Traffic Based on the Host MAC Address
629
Restricting Traffic Based on the Host MAC Address
630
Port Security Configuration Guidelines
631
Configuring Port Security
631
Enabling Port Security
631
Setting the Maximum Number of Secure MAC Addresses
632
Setting the Port Security Age Time
633
Clearing MAC Addresses
633
Specifying the Security Violation Action
634
Setting the Shutdown Timeout
634
Disabling Port Security
635
Restricting Traffic Based on a Host MAC Address
635
Displaying Port Security
636
Chapter 36 Configuring SNMP
639
SNMP Terminology
639
Understanding SNMP
641
Security Models and Levels
642
SNMP Ifindex Persistence Feature
643
Understanding How Snmpv1 and Snmpv2C Works
643
Using Managed Devices
643
Using SNMP Agents and Mibs
643
Using Ciscoworks2000
644
Understanding Snmpv3
645
SNMP Entity
645
Applications
647
Configuring Snmpv1 and Snmpv2C
648
Snmpv1 and Snmpv2C Default Configuration
648
Configuring Snmpv1 and Snmpv2C from an NMS
648
Configuring Snmpv1 and Snmpv2C from the CLI
648
Configuring Snmpv3
649
Snmpv3 Default Configuration
649
Configuring Snmpv3 from an NMS
649
Configuring Snmpv3 from the CLI
650
Chapter 37 Configuring RMON
653
Understanding How RMON Works
653
Enabling RMON
654
Viewing RMON Data
654
Supported RMON and RMON2 MIB Objects
654
Chapter 38 Configuring SPAN and RSPAN
657
Understanding How SPAN and RSPAN Works
657
SPAN Session
658
Destination Port
658
Source Port
658
Ingress SPAN
659
Egress SPAN
659
Vspan
659
Trunk VLAN Filtering
660
SPAN Traffic
660
SPAN and RSPAN Session Limits
660
Configuring SPAN
661
SPAN Hardware Requirements
661
Understanding How SPAN Works
661
SPAN Configuration Guidelines
662
Configuring SPAN from the CLI
663
Configuring RSPAN
664
RSPAN Hardware Requirements
665
Understanding How RSPAN Works
665
RSPAN Configuration Guidelines
666
Configuring RSPAN
667
RSPAN Configuration Examples
670
Chapter 39 Using Switch Topn Reports
675
Understanding How the Switch Topn Reports Utility Works
675
Topn Reports Overview
675
Running Switch Topn Reports Without the Background Option
676
Running Switch Topn Reports with the Background Option
676
Running and Viewing Switch Topn Reports
677
Chapter 40 Configuring Multicast Services
681
Understanding How Multicasting Works
681
Multicasting and Multicast Services Overview
682
Understanding How IGMP Snooping Works
682
Understanding How GMRP Works
684
Understanding How RGMP Works
685
Suppressing Multicast Traffic
685
Nonreverse Path Forwarding Multicast Fast Drop
685
Enabling Installation of Directly Connected Subnets
686
Configuring IGMP Snooping
686
Default IGMP Snooping Configuration
687
Enabling IGMP Snooping
687
Specifying IGMP Snooping Mode
688
Enabling IGMP Rate Limiting
688
Enabling IGMP Fast-Leave Processing
689
Displaying Multicast Router Information
689
Displaying Multicast Group Information
690
Displaying IGMP Snooping Statistics
691
Disabling IGMP Fast-Leave Processing
692
Disabling IGMP Snooping
692
Configuring GMRP
692
GMRP Software Requirements
693
Default GMRP Configuration
693
Enabling GMRP Globally
693
Enabling GMRP on Individual Switch Ports
694
Disabling GMRP on Individual Switch Ports
694
Enabling GMRP Forward-All Option
695
Disabling GMRP Forward-All Option
695
Configuring GMRP Registration
696
Setting the GARP Timers
697
Displaying GMRP Statistics
699
Clearing GMRP Statistics
699
Disabling GMRP Globally on the Switch
699
Configuring Multicast Router Ports and Group Entries
700
Specifying Multicast Router Ports
700
Configuring Multicast Groups
701
Clearing Multicast Router Ports
701
Clearing Multicast Group Entries
702
Configuring RGMP
702
Configuring RGMP on the Supervisor Engine
702
Configuring RGMP on the MSFC
705
Displaying Multicast Protocol Status
705
Chapter 41 Configuring Qos
707
Understanding How Qos Works
707
Definitions
708
Flowcharts
709
Qos Feature Set Summary
714
Ethernet Ingress Port Marking, Scheduling, Congestion Avoidance, and Classification
716
Classification, Marking, and Policing with a Layer 3 Switching Engine
720
Classification and Marking with a Layer 2 Switching Engine
730
Ethernet Egress Port Scheduling, Congestion Avoidance, and Marking
730
Qos Statistics Data Export
733
Qos Default Configuration
734
Configuring Qos
736
Enabling Qos
737
Enabling Port-Based or VLAN-Based Qos
738
Configuring the Trust State of a Port
738
Configuring the Cos Value for a Port
739
Creating Policing Rules
740
Deleting Policing Rules
742
Creating or Modifying Acls
743
Attaching Acls to Interfaces
752
Detaching Acls from Interfaces
752
Mapping a Cos Value to a Host Destination MAC Address/Vlan Pair
753
Deleting a Cos Value to a Host Destination MAC Address/Vlan Pair
753
Enabling or Disabling Microflow Policing of Bridged Traffic
754
Configuring Standard Receive-Queue Tail-Drop Thresholds
754
Configuring 2Q2T Port Standard Transmit-Queue Tail-Drop Thresholds
755
Configuring Standard Transmit-Queue WRED-Drop Thresholds
755
Allocating Bandwidth between Standard Transmit Queues
756
Configuring the Receive-Queue Size Ratio
757
Configuring the Transmit-Queue Size Ratio
757
Mapping Cos Values to Drop Thresholds
758
Configuring DSCP Value Maps
761
Displaying Qos Information
764
Displaying Qos Statistics
765
Reverting to Qos Defaults
766
Disabling Qos
766
Configuring COPS Support
766
Configuring RSVP Support
772
Configuring Qos Statistics Data Export
776
Chapter 42 Configuring ASLB
781
Hardware and Software Requirements
781
Understanding How ASLB Works
782
Layer 3 Operations for ASLB
783
Layer 2 Operations for ASLB
783
Client-To-Server Data Forwarding
784
Server-To-Client Data Forwarding
786
Cabling Guidelines
787
Configuring ASLB
787
Configuring the Localdirector Interfaces
787
ASLB Configuration Guidelines
788
Configuring ASLB from the CLI
791
ASLB Configuration Example
799
ASLB Redundant Configuration Example
801
IP Addresses
802
MAC Addresses
803
Catalyst 6000 Family Switch 1 Configuration
803
Catalyst 6000 Family Switch 2 Configuration
803
Router 1 Configuration
803
Router 2 Configuration
804
Localdirector Configuration
804
Troubleshooting the ASLB Configuration
805
Chapter 43 Configuring the Switch Fabric Modules
807
Understanding How the Switch Fabric Module Works
807
Configuring and Monitoring the Switch Fabric Module
808
Configuring a Fallback Option
809
Configuring the Switching Mode
809
Switch Fabric Redundancy
810
Monitoring the Switch Fabric Module
810
Configuring the LCD Banner
814
Chapter 44 Configuring a Voip Network
817
Hardware and Software Requirements
817
Understanding How a Voip Network Works
818
Cisco IP Phone 7960
818
Cisco Callmanager
820
Access Gateways
820
How a Call Is Made
823
Understanding How Vlans Work
824
Configuring Voip on a Switch
825
Voice-Related CLI Commands
825
Configuring Per-Port Power Management
826
Configuring Auxiliary Vlans on Catalyst LAN Switches
835
Configuring the Access Gateways
837
Displaying Active Call Information
843
Configuring Qos in the Cisco IP Phone 7960
846
I N D E X
849
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