Cisco 7609 - Configuring PFC QoS; Understanding How PFC QoS Works

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Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E

78-14064-04

Chapter 1 Product Overview

Configuring Embedded CiscoView Support

Main Page

Default Chapter4
- Table of Contents4
- Related Documentation23
- Obtaining Documentation25
- Ordering Documentation25
- Documentation Feedback26
- Obtaining Technical Assistance26
- Obtaining Additional Publications and Information27
- Configuring Embedded Ciscoview Support29
- Product Overview29
- Installing and Configuring Embedded Ciscoview30
- Understanding Embedded Ciscoview30
- Displaying Embedded Ciscoview Information31
- Accessing the Cli33
- Accessing the Cli through Telnet34
- Performing History Substitution35
- Cisco Ios Command Modes36
- Displaying a List of Cisco Ios Commands and Syntax37
Chapter 3 Configuring the Cisco 7600 Series Router for the First Time39
- Default Configuration39
- Configuring the Cisco 7600 Series Router40
- Protecting Access to Privileged EXEC Commands53
- Recovering a Lost Enable Password57
- Modifying the Supervisor Engine Startup Configuration58
Chapter 4 Configuring EHSA Supervisor Engine Redundancy67
- Supervisor Engine Redundant Operation67
CHAPTER 5 Configuring RPR and RPR+ Supervisor Engine Redundancy73
- Understanding Supervisor Engine Redundancy73
- Supervisor Engine Redundancy Guidelines and Restrictions76
- Configuring Supervisor Engine Redundancy78
- Performing a Fast Software Upgrade81
- Copying Files to the Redundant Supervisor Engine82
- Understanding Interface Configuration83
- Using the Interface Command84
Chapter 6 Configuring Interface85
- Configuring a Range of Interfaces86
- Defining and Using Interface-Range Macros88
- Configuring Optional Interface Features88
- Understanding Online Insertion and Removal99
- Monitoring and Maintaining Interfaces99
- Understanding How Layer 2 Switching Works103
  - Understanding Layer 2 Ethernet Switching103
Chapter 7 Configuring LAN Port for Layer 2 Switching104
- Understanding VLAN Trunks104
- Trunking Overview105
- Layer 2 LAN Port Modes106
- Default Layer 2 LAN Interface Configuration107
- Layer 2 LAN Interface Configuration Guidelines and Restrictions108
  - Restrictions108
  - Guidelines108
- Configuring LAN Interfaces for Layer 2 Switching109
- Configuring VTP121
- Understanding How VTP Works121
Chapter 8 Configuring VTP122
- Understanding the VTP Domain122
- Understanding VTP Modes122
- Understanding VTP Advertisements122
- Understanding VTP Version 2123
- Understanding VTP Pruning123
- VTP Default Configuration125
- VTP Configuration Guidelines and Restrictions125
- Configuring VTP125
- Understanding How Vlans Work131
Chapter 9 Configuring VLAN132
- VLAN Ranges132
- Configurable VLAN Parameters133
- Understanding Token Ring Vlans133
- VLAN Default Configuration136
- VLAN Configuration Guidelines and Restrictions138
  - Restrictions138
  - Guidelines138
- Configuring Vlans138
Chapter 10 Configuring Private Vlans145
- Understanding How Private Vlans Work145
- Private VLAN Configuration Guidelines146
- Configuring Private Vlans146
- Understanding Cisco IP Phone Support155
  - Cisco IP Phone Connections155
Chapter 11 Configuring Cisco IP Phone Support156
- Cisco IP Phone Voice Traffic156
- Cisco IP Phone Data Traffic157
- Cisco IP Phone Power Configurations157
- Default Cisco IP Phone Support Configuration158
- Cisco IP Phone Support Configuration Guidelines and Restrictions158
- Configuring Cisco IP Phone Support159
Configuring Layer 3 Interfaces163
- Configuring IP Routing and Addresses164
Chapter 12 Configuring Layer 3 Interface165
- Configuring IPX Routing and Network Numbers167
- Configuring Appletalk Routing, Cable Ranges, and Zones168
- Configuring Other Protocols on Layer 3 Interfaces169
CHAPTER 13 Configuring Etherchannels 13-1171
- Understanding How Etherchannels Work171
- Etherchannel Feature Configuration Guidelines and Restrictions175
- Configuring Etherchannels176
CHAPTER 14 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling183
- Understanding How 802.1Q Tunneling Works183
- C H a P T E R 14 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling184
- 802.1Q Tunneling Configuration Guidelines and Restrictions185
- Configuring 802.1Q Tunneling187
- Understanding How Layer 2 Protocol Tunneling Works189
- Configuring Support for Layer 2 Protocol Tunneling190
- Configuring Support for Layer 2 Protocol Tunneling191
Chapter 15 Configuring STP and IEEE 802.1 MST194
- Understanding How STP Works194
- Understanding How IEEE 802.1W RSTP Works205
- Understanding How IEEE 802.1S MST Works206
Configuring Optional Stp Features235
- C H a P T E R 16 Configuring Optional STP Features236
- Understanding How BPDU Guard Works236
- Understanding How Portfast BPDU Filtering Works236
- Understanding How Portfast Works236
- Understanding How Uplinkfast Works237
- Understanding How Backbonefast Works238
- Understanding How Etherchannel Guard Works240
- Understanding How Loop Guard Works240
- Understanding How Root Guard Works240
- Enabling Portfast242
- Enabling Portfast BPDU Filtering244
- Enabling BPDU Guard245
- Enabling Uplinkfast246
- Enabling Backbonefast247
- Enabling Etherchannel Guard248
- Enabling Root Guard248
- Enabling Loop Guard249
Chapter 17 Configuring IP Unicast Layer 3 Switching on Supervisor Engine251
- Understanding How Layer 3 Switching Works251
  - Understanding Hardware Layer 3 Switching on PFC2 and Dfcs252
  - Understanding Layer 3-Switched Packet Rewrite252
- Default Hardware Layer 3 Switching Configuration254
Layer 3 Switching Configuration Guidelines and Restrictions254
- Configuring Hardware Layer 3 Switching255
- Displaying Hardware Layer 3 Switching Statistics256
CHAPTER 18 Configuring IP Multicast Layer 3 Switching258
- Understanding How IP Multicast Layer 3 Switching Works258
- Layer 3-Switched Multicast Packet Rewrite259
Configuring IP Unicast Layer 3 Switching on Supervisor Engine277
- C H a P T E R 19 Configuring IP Unicast Layer 3 Switching on Supervisor Engine 1278
- Understanding How IP MLS Works278
- Layer 3-Switched Packet Rewrite280
Configuring IPX Unicast Layer 3 Switching on Supervisor Engine291
- C H a P T E R 20 Configuring IPX Unicast Layer 3 Switching on Supervisor Engine 1292
- Understanding How IPX MLS Works292
- Layer 3-Switched Packet Rewrite293
Chapter 21 Configuring IGMP Snooping305
- Understanding How IGMP Snooping Works305
- Default IGMP Snooping Configuration310
- IGMP Snooping and IGMP Snooping Querier Configuration Guidelines and Restrictions310
  - Guidelines310
  - Restrictions311
- Enabling the IGMP Snooping Querier311
- Configuring IGMP Snooping312
Chapter 22 Configuring RGMP319
- Understanding How RGMP Works319
- Default RGMP Configuration320
- RGMP Configuration Guidelines and Restrictions320
- Enabling RGMP on Layer 3 Interfaces321
Chapter 23 Configuring Network Security323
- ACL Configuration Guidelines323
- Hardware and Software ACL Support324
- Guidelines and Restrictions for Using Layer 4 Operators in Acls325
  - Determining Layer 4 Operation Usage325
  - Determining Logical Operation Unit Usage326
- Configuring the Cisco IOS Firewall Feature Set326
- Configuring MAC Address-Based Traffic Blocking329
- Configuring VLAN Acls330
- Configuring TCP Intercept340
- Configuring Unicast Reverse Path Forwarding341
- Configuring Unicast Flood Protection343
- Configuring MAC Move Notification344
Chapter 24 Configuring Denial of Service Protection347
- Dos Protection Overview347
- Configuring Dos Protection348
Chapter 25 Configuring IEEE 802.1X Port-Based Authentication355
- Understanding 802.1X Port-Based Authentication355
- Default 802.1X Port-Based Authentication Configuration359
- 802.1X Port-Based Authentication Guidelines and Restrictions360
- Configuring 802.1X Port-Based Authentication361
- Displaying 802.1X Status369
Chapter 26 Configuring Port Security371
- Understanding Port Security371
- Default Port Security Configuration372
- Port Security Guidelines and Restrictions372
- Configuring Port Security372
  - Configuring Port Security on an Interface373
  - Configuring Port Security Aging374
- Displaying Port Security Settings375
Chapter 27 Configuring Layer 3 Protocol Filtering on Supervisor Engine377
- Understanding How Layer 3 Protocol Filtering Works377
- Configuring Layer 3 Protocol Filtering378
  - Enabling Layer 3 Protocol Filtering378
  - Configuring Layer 3 Protocol Filtering on a Layer 2 LAN Interface379
    - Verifying Layer 3 Protocol Filtering Configuration379
Chapter 28 Configuring Traffic Storm Control381
- Understanding Traffic Storm Control381
- Default Traffic Storm Control Configuration382
- Enabling Traffic Storm Control382
- Displaying Traffic Storm Control Settings384
Chapter 29 Configuring Broadcast Suppression385
- Understanding How Broadcast Suppression Works385
- Broadcast Suppression Configuration Guidelines and Restrictions386
- Enabling Broadcast Suppression387
Chapter 30 Configuring CDP389
- Understanding How CDP Works389
- Configuring CDP389
- Understanding How UDLD Works393
  - UDLD Overview393
Chapter 31 Configuring UDLD394
- UDLD Aggressive Mode394
- Default UDLD Configuration395
- Configuring UDLD395
Chapter 32 Configuring PFC Qo400
- Hardware Supported by PFC Qos400
- Qos Terminology401
- PFC Qos Feature Flowcharts404
- PFC Qos Feature Summary409
- Ingress LAN Port Features410
- PFC Marking and Policing414
- LAN Egress Port Features419
- PFC Qos Statistics Data Export422
- PFC Qos Default Configuration423
- PFC Qos Configuration Guidelines and Restrictions429
- Guidelines:429
- Configuring PFC Qos431
- Understanding How NDE Works477
Chapter 33 Configuring NDE478
- NDE Overview478
- NDE from the MSFC478
- NDE from the PFC478
- Default NDE Configuration483
Chapter 34 Configuring Local SPAN and RSPAN496
- Local SPAN and RSPAN Sessions497
- Monitored Traffic498
- SPAN Sources498
- Destination Ports499
- Local SPAN and RSPAN Configuration Guidelines and Restrictions499
Configuring Local SPAN and RSPAN502
- Local SPAN and RSPAN Configuration Overview502
- Configuring RSPAN Vlans502
- Configuring Local or RSPAN Sources503
- Monitoring Specific Source Vlans on a Source Trunk Port504
- Configuring Local SPAN and RSPAN Destinations504
- Verifying the Configuration506
- Configuration Examples506
CHAPTER 35 Configuring Web Cache Services Using WCCP509
- Understanding WCCP509
- Configuring WCCP515
- Verifying and Monitoring WCCP Configuration Settings519
- WCCP Configuration Examples519
- Understanding SNMP Ifindex Persistence525
Configuring SNMP Ifindex Persistence525
- Enabling and Disabling SNMP Ifindex Persistence Globally526
- Enabling and Disabling SNMP Ifindex Persistence on Specific Interfaces526
  - C H a P T E R 36 Configuring SNMP Ifindex Persistence527
  - Configuration Examples527
- Understanding How the Switch Fabric Module Works529
Configuring the Switch Fabric Module531
- Configuring the Switching Mode531
- Configuring Fabric-Required Mode532
- Configuring an LCD Message533
- Monitoring the Switch Fabric Module533
CHAPTER 38 Power Management and Environmental Monitoring537
- Understanding How Power Management Works537
- Understanding How Environmental Monitoring Works540
  - Using Cli Commands to Monitor System Environmental Status540
  - Understanding Led Environmental Indications540
APPENDIX A Acronyms A-1551
I N D E X551

Cisco 7609 - Configuring PFC QoS; Understanding How PFC QoS Works

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