Pfc1 And Pfc2 General Restrictions; Unsupported Features; Configuring Ip Multicast Layer 3 Switching - Cisco 6500 Series Software Configuration Manual
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Also See for 6500 Series:
- Configuration manual (392 pages) ,
- Configuration note (212 pages) ,
- Installation manual (194 pages)
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Chapter 18
Configuring IP Multicast Layer 3 Switching
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PFC1 and PFC2 General Restrictions
Input ACL deny is not applied by the hardware ACL engine when the Layer 2 entry corresponding to the
Layer 3 flow does not exist in the Layer 2 forwarding table. The ACL will be applied by the MSFC
software.
Unsupported Features
If you enable IP multicast Layer 3 switching, IP accounting for Layer 3 interfaces does not report
accurate values. The show ip accounting command is not supported.
Configuring IP Multicast Layer 3 Switching
These sections describe how to configure IP multicast Layer 3 switching:
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With Release 12.1(11b)E and later, when you are in configuration mode you can enter EXEC mode-level
Note
commands by entering the do keyword before the EXEC mode-level command.
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If the SPT bit for the flow is cleared when running PIM sparse mode for the interface or group.
For packets that require fragmentation and packets with IP options. However, packets in the flow
that do not specify IP options are Layer 3 switched.
For source traffic received on tunnel interfaces (such as MBONE traffic).
Source Specific Multicast with IGMPv3, IGMP v3lite, and URD, page 18-10
Enabling IP Multicast Routing Globally, page 18-10
Enabling IP PIM on Layer 3 Interfaces, page 18-10
Enabling IP Multicast Layer 3 Switching on Layer 3 Interfaces, page 18-11
Configuring the Layer 3 Switching Global Threshold, page 18-11
Enabling Installation of Directly Connected Subnets, page 18-12
Enabling NetFlow-Based Rate Limiting of RPF Failures, page 18-12
Enabling CEF-Based Rate Limiting of RPF Failures, page 18-13
Enabling Shortcut-Consistency Checking, page 18-13
Configuring ACL-Based Filtering of RPF Failures, page 18-14
Displaying RPF Failure Rate-Limiting Information, page 18-14
Displaying IP Multicast Layer 3 Hardware Switching Summary, page 18-14
Displaying the IP Multicast Routing Table, page 18-16
Displaying IP Multicast Layer 3 Switching Statistics, page 18-17
Using Debug Commands, page 18-18
Clearing IP Multicast Layer 3 Switching Statistics, page 18-19
Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide—Release 12.1 E
Configuring IP Multicast Layer 3 Switching
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Troubleshooting
