Multicast Interfaces Tab

  • Network > Virtual Router > Multicast > Interfaces
Use the following fields to configure multicast interfaces:
Multicast Settings – Interfaces
Enter a name to identify an interface group.
Enter an optional description.
Click Add to specify one or more firewall interfaces.
Group Permissions
Specify general rules for multicast traffic:
  • Any Source—Click Add to specify a list of multicast groups for which PIM-SM traffic is permitted.
  • Source-Specific—Click Add to specify a list of multicast group and multicast source pairs for which PIM-SSM traffic is permitted.
Specify rules for IGMP traffic. IGMP must be enabled for host facing interfaces (IGMP router) or for IGMP proxy host interfaces.
  • Enable—Select to enable the IGMP configuration.
  • IGMP Version—Choose version 1, 2, or 3 to run on the interface.
  • Enforce Router-Alert IP Option—Select to require the router-alert IP option when speaking IGMPv2 or IGMPv3. This must be disabled for compatibility with IGMPv1.
  • Robustness—Choose an integer value to account for packet loss on a network (range is 1-7; default is 2). If packet loss is common, choose a higher value.
  • Max Sources—Specify the maximum number of source-specific memberships allowed on this interface (0 = unlimited).
  • Max Groups—Specify the maximum number of groups allowed on this interface.
  • Query Configuration—Specify the following:
    • Query interval—Specify the interval at which general queries are sent to all hosts.
    • Max Query Response Time—Specify the maximum time between a general query and a response from a host.
    • Last Member Query Interval—Specify the interval between group or source-specific query messages (including those sent in response to leave-group messages).
    • Immediate Leave—Select to leave the group immediately when a leave message is received.
PIM configuration
Specify the following Protocol Independent Multicast (PIM) settings:
  • Enable—Select to allow this interface to receive and/or forward PIM messages.
  • Assert Interval—Specify the interval between PIM assert messages.
  • Hello Interval—Specify the interval between PIM hello messages.
  • Join Prune Interval—Specify the interval between PIM join and prune messages (seconds). Default is 60.
  • DR Priority—Specify the designated router priority for this interface.
  • BSR Border—Select to use the interface as the bootstrap border.
  • PIM Neighbors—Click Add to specify the list of neighbors that will communicate with using PIM.

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