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

78-14064-04

Chapter 21 Configuring IGMP Snooping

Configuring IGMP Snooping

Multicast TTL threshold is 0

Multicast designated router (DR) is 172.20.52.94 (this system)

IGMP querying router is 172.20.52.94 (this system)

No multicast groups joined

IGMP snooping is globally enabled

IGMP snooping is enabled on this interface

IGMP snooping fast-leave is enabled on this interface

IGMP snooping querier is disabled on this interface

Router#

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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 - Page 318

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