IP Multicast Boundary
Related Topics
Defining the IP Multicast Boundary (CLI), on page 156
Example: Configuring an IP Multicast Boundary, on page 305
IP Multicast Boundary
As shown in the figure, address scoping defines domain boundaries so that domains with RPs that have the
same IP address do not leak into each other. Scoping is performed on the subnet boundaries within large
domains and on the boundaries between the domain and the Internet.
Figure 2: Address Scoping at Boundaries
You can set up an administratively scoped boundary on an interface for multicast group addresses using the
ip multicast boundary command with the access-list argument. A standard access list defines the range of
addresses affected. When a boundary is set up, no multicast data packets are allowed to flow across the
IP Multicast Routing Configuration Guide, Cisco IOS XE Release 3.6E (Catalyst 3850 Switches)
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IP Multicast Routing Technology Overview
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