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Implementing Multicast Routing on Cisco IOS XR Software
• You must be familiar with IPv4 and IPv6 multicast routing configuration tasks and concepts.
• Unicast routing must be operational.
• To enable multicast VPN, you must configure a VPN routing and forwarding (VRF) instance.
Information About Implementing Multicast Routing
Key Protocols and Features Supported in the Cisco IOS XR Software Multicast
Routing Implementation
Table 2: Supported Features for IPv4 and IPv6 on Cisco CRS Routers
Feature
Dynamic host registration
Explicit tracking of hosts, groups,
and channels
PIM-SM
PIM-SSM
PIM-Bidir
Auto-RP
Multicast VPN
BSR
MSDP
BGP
Multicast NSF
OOR handling
1 Protocol Independent Multicast in sparse mode
2 Protocol Independent Multicast in Source-Specific Multicast
3 Protocol Independent Multicast Bidirectional
4 IPv6 support on Cisco XR 12000 Series Router only
5 PIM bootstrap router
6 Multicast Source Discovery Protocol
1
2
3
5
6
7
8
9
Cisco IOS XR Multicast Configuration Guide for the Cisco CRS Router, Release 5.2.x
Information About Implementing Multicast Routing
IPv4 Support
Yes (IGMP v1/2/3)
Yes (IGMP v3)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
IPv6 Support
Yes (MLD v1/2)
Yes (MLD v2)
Yes
Yes
Yes
No
4
Yes
Yes
No
Yes
Yes
No
5
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