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Configuring Multicast Address Boundaries Configuring Multicast Address Boundaries
OmniSwitch 6800/6850/9000 Advanced Routing Configuration Guide December 2007 page 5-7
Configuring Multicast Address Boundaries
Because multicast address boundaries are part of the Advanced Routing software, the advanced routing
image must be present in an OmniSwitch, before you can begin configuring the feature. In addition, the
multicast routing protocol (e.g., PIM-SM or DVMRP) for your network must first be loaded to memory
via the ip load command.
Basic Multicast Address Boundary Configuration
Configuring a multicast address boundary prevents multicast traffic that is addressed to a particular
address or range of addresses from being forwarded on an interface. Boundaries may be configured in
more than one region in the network.
The basic command for creating a multicast address boundary is:
ip mroute-boundary
The next section describes how to use this command.
Creating a Multicast Address Boundary
To create a multicast address boundary on an interface, enter the ip mroute-boundary command, with the
interface IP address, the boundary address, and the corresponding mask. For example:
-> ip mroute-boundary vlan-2 239.120.0.0 255.255.0.0
The interface IP address must be a valid IP interface that has been assigned to an existing VLAN. For
information about creating VLANs and assigning IP interfaces, see the
“Configuring VLANs” chapter in the OmniSwitch 6800/6850/9000 Network Configuration Guide.
The boundary address must be an administratively-scoped multicast address from 239.0.0.0 to
239.255.255.255.
Deleting a Multicast Address Boundary
To delete a multicast address boundary from an interface, enter the no ip mroute-boundary command,
with the interface IP address, the boundary address, and the corresponding mask. For example:
-> no ip mroute-boundary vlan-2 239.120.0.0 255.255.0.0