Asm - Cisco Nexus 7000 Series Configuration Manual

ASM

IPv6. You can configure IPv6 peers and use Source-Specific Multicast (SSM) and Multiprotocol BGP (MBGP)
to forward multicast data between PIM6 domains.
Figure 7: PIM6 Domains in an IPv6 Network
PIM supports three multicast modes for connecting sources and receivers:
• Any source multicast (ASM)
• Source-specific multicast (SSM)
• Bidirectional shared trees (Bidir)
Cisco NX-OS supports a combination of these modes for different ranges of multicast groups. You can also
define RPF routes for multicast.
ASM
Any Source Multicast (ASM) is a PIM tree building mode that uses shared trees to discover new sources and
receivers as well as source trees to form shortest paths from receivers to sources. The shared tree uses a network
node as the root, called the rendezvous point (RP). The source tree is rooted at first-hop routers, directly
Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide
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Overview