User Guide

Contents
10
Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide—Release 12.1 E
78-14099-04
CHAPTER 18 Configuring IP Multicast Layer 3 Switching 1
Understanding How IP Multicast Layer 3 Switching Works 1
IP Multicast Layer 3 Switching Overview 2
Multicast Layer 3 Switching Cache 2
IP Multicast Layer 3 Switching Flow Mask 3
Layer 3-Switched Multicast Packet Rewrite 3
Partially and Completely Switched Flows 4
Non-RPF Traffic Processing 5
Default IP Multicast Layer 3 Switching Configuration 7
IP Multicast Layer 3 Switching Configuration Guidelines and Restrictions 8
PFC2 with MSCF2 8
PFC1 with MSFC or MSCF2 8
PFC1 and PFC2 General Restrictions 9
Unsupported Features 9
Configuring IP Multicast Layer 3 Switching 9
Source Specific Multicast with IGMPv3, IGMP v3lite, and URD 10
Enabling IP Multicast Routing Globally 10
Enabling IP PIM on Layer 3 Interfaces 10
Enabling IP Multicast Layer 3 Switching on Layer 3 Interfaces 11
Configuring the Layer 3 Switching Global Threshold 11
Enabling Installation of Directly Connected Subnets 12
Enabling NetFlow-Based Rate Limiting of RPF Failures 12
Enabling CEF-Based Rate Limiting of RPF Failures 13
Enabling Shortcut-Consistency Checking 13
Configuring ACL-Based Filtering of RPF Failures 14
Displaying RPF Failure Rate-Limiting Information 14
Displaying IP Multicast Layer 3 Hardware Switching Summary 14
Displaying the IP Multicast Routing Table 16
Displaying IP Multicast Layer 3 Switching Statistics 17
Using Debug Commands 18
Clearing IP Multicast Layer 3 Switching Statistics 19
CHAPTER 19 Configuring IP Unicast Layer 3 Switching on Supervisor Engine 1 1
Understanding How IP MLS Works 2
IP MLS Overview 2
IP MLS Flows 2
Layer 3 MLS Cache 3
Flow Masks 3
Layer 3-Switched Packet Rewrite 4