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12-9
Cisco ASDM User Guide
OL-16647-01
Chapter 12 Configuring Multicast Routing
MBoundary
MBoundary
The MBoundary pane lets you configure a multicast boundary for administratively-scoped multicast
addresses. A multicast boundary restricts multicast data packet flows and enables reuse of the same
multicast group address in different administrative domains. When a multicast boundary is defined on
an interface, only the multicast traffic permitted by the filter ACL passes through the interface.
Fields
The Multicast Boundary table contains the following information. Double-click a table entry to edit the
multicast boundary filter settings.
• Interface—Lists the interfaces on the device.
• Boundary Filter—Lists the boundary filter entries for the specified interface. If a multicast boundary
has not been defined for an interface, then this column displays “No Boundary Filters Configured”
for the interface.
• AutoFilter—Shows if Auto-RP messages are denied by the boundary ACL. If the AutoFilter is
enabled, the ACL also restricts the flow of Auto-RP messages. If the AutoFilter is disabled, all
Auto-RP messages are passed by the interface. This setting is disabled by default.
You can perform the following actions on the entries of the Boundary table:
• Edit—Opens the Edit Boundary Filter dialog box.
Modes
The following table shows the modes in which this feature is available:
Edit Boundary Filter
The Edit Boundary Filter dialog box displays the multicast boundary filter ACL. You can add and
remove boundary filter ACL entries using this dialog box.
When the boundary filter configuration is applied to the security appliance, the ACL appears in the
running configuration with the name interface-name_multicast, where the interface-name is the name of
the interface the multicast boundary filter is applied to. If an ACL with that name already exists, a
number is appended to the name, for example inside_multicast_1.
Fields
• Interface—Displays the interface for which you are configuring the multicast boundary filter ACL.
• Remove any Auto-RP group range—Check this check box to filter Auto-RP messages from sources
denied by the boundary ACL. If not checked, all Auto-RP messages are passed.
The Boundary Filter table contains the following information:
Firewall Mode Security Context
Routed Transparent Single
Multiple
Context System
• — • ——