Prerequisites For Multicast Vpn; Restrictions For Multicast Vpn For Multicast Routing - Cisco ASR 9000 Series Configuration Manual
Aggregation services router multicast
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- Command reference manual (1138 pages) ,
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Configuring Multicast VPN
• Configuring an MDT Address Family Session in BGP as a PE-to- PE Protocol (optional for PIM-SM
MDT groups; required for PIM-SSM MDT groups)
See the "Configuring an MDT Address Family Session in BGP" section in Cisco ASR 9000 Series
Aggregation Services Router Routing Configuration Guide.
• Configuring a provider-edge-to-customer-edge protocol (optional)
See the "Configuring BGP as a PE-CE Protocol," "Configuring OSPF as a PE-to-CE Protocol," and
"Configuring EIGRP as a PE-to CE Protocol" sections in Cisco ASR 9000 Series Aggregation Services
Router Routing Configuration Guide.
•
Specifying the PIM VRF Instance, on page 209
Prerequisites for Multicast VPN
• PIM and multicast forwarding must be configured on all interfaces used by multicast traffic. In an MVPN,
you must enable PIM and multicast forwarding for the following interfaces:
Note
• Interfaces in the VPN intended for use in forwarding multicast traffic must be enabled for PIM and
multicast forwarding.
• BGP should already be configured and operational on all routers that are sending or receiving multicast
traffic.
• To enable MVPN, you must include a VPN IPv4 address-family (AFI) in your BGP configuration. See
Restrictions for Multicast VPN for Multicast Routing, on page
section in Cisco IOS XR Routing Configuration Guide.)
• All PE routers in the multicast domain must be running a Cisco IOS XR Software image that supports
MVPN.
• Multicast forwarding must be configured for the global IPv4 address family.
• Each multicast SM VRF domain must have an associated PIM rendezvous point (RP) definition. Using
Auto-RP and the bootstrap router (BSR), you may configure RP services in the MVPN on the
customer-edge (CE) device because the MVPN learns about the RP dynamically. The VRF interface
can be used as a listener on the PE device.
To enable static RP services, you must configure every device in the domain for this purpose.
Restrictions for Multicast VPN for Multicast Routing
• Configuration of the MDT source on a per-VRF basis is only supported on IPv4.
Cisco ASR 9000 Series Aggregation Services Router Multicast Configuration Guide, Release 6.0.x
206
◦ Physical interface on a provider edge (PE) router that is connected to the backbone.
◦ Interface used for BGP peering source address.
◦ Any interfaces configured as PIM rendezvous points.
PIM and multicast forwarding are enabled in multicast routing configuration mode. No
additional configuration is required in router pim mode to enable the PIM protocol.
Implementing Layer-3 Multicast Routing on Cisco IOS XR Software
(optional)
206. (See also the "Enabling BGP Routing"
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