Cisco 7604 User Manual

27-3
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 27 Configuring IPv6 Multicast PFC3 and DFC3 Layer 3 Switching
New or Changed IPv6 Multicast Commands
• The PFC3 and DFC3 do not provide hardware support for the following:
– Partially switched IPv6 multicast flows
– PIM-SM (*,G) forwarding
– Multicast RPF check for PIM-SM (*,G) traffic
– Multicast helper maps
– Site-local multicast scopes
– Manually configured IPv6 over IPv4 tunnels
– IPv6 multicast 6to4 tunnels
– IPv6 multicast automatic tunnels
– IPv6 over GRE tunnels
– IPv6-in-IPv6 PIM register tunnels
– IPv6 multicast basic ISATAP tunnels
– ISATAP tunnels with embedded 6to4 tunnels
New or Changed IPv6 Multicast Commands
Refer to the Cisco IOS Master Command List, Release 12.2SX for information about these IPv6
multicast commands, which are new or changed in Release 12.2(18)SXE:
• ipv6 mfib hardware-switching
• mls rate-limit multicast ipv6 (see Chapter 36, “Configuring Denial of Service Protection”)
• show ipv6 mfib
• show mls rate-limit (see Chapter 36, “Configuring Denial of Service Protection”)
• show platform software ipv6-multicast
• show tcam interface
Configuring IPv6 Multicast Layer 3 Switching
To configure IPv6 multicast Layer 3 switching, perform this task:
Using show Commands to Verify IPv6 Multicast Layer 3 Switching
These sections describe how to use show commands to verify IPv6 multicast Layer 3 switching:
• Verifying MFIB Clients, page 27-4
Command Purpose
Step 1
Router(config)# ipv6 unicast-routing
Enables unicast routing on all Layer 3 interfaces.
Step 2
Router(config)# ipv6 multicast-routing
Enables PIM-SM on all Layer 3 interfaces.
Step 3
Router(config)# ipv6 mfib hardware-switching
Enables MFIB hardware switching globally.

Cisco 7604 Specifications

General

Brand	Cisco
Model	7604
Category	Network Router
Language	English