FortiGate Version 3.0 MR4 Administration Guide
206 01-30004-0203-20070102
Multicast Router Dynamic
Overriding the multicast settings on an interface
Multicast (PIM) interface options enable you to set operating parameters for
FortiGate interfaces connected to PIM domains. For example, you can enable
dense mode on an interface that is connected to a PIM-enabled network segment.
When sparse mode is enabled, you can adjust the priority number that is used to
advertise Rendezvous Point (RP) and/or Designated Router (DR) candidacy on
the interface.
Figure 115:Multicast interface settings
Interface Select the name of the root VDOM FortiGate interface to which
these settings apply. The interface must be connected to a PIM
version 2 enabled network segment.
PIM Mode Select the mode of operation: Sparse Mode or Dense Mode. All
PIM routers connected to the same network segment must be
running the same mode of operation. If you select Sparse Mode,
adjust the remaining options as described below.
DR Priority Enter the priority number for advertising DR candidacy on the
FortiGate interface. The range is from 1 to 4 294 967 295.
This value is compared to the DR interfaces of all other PIM
routers on the same network segment, and the router having the
highest DR priority is selected to be the DR.
RP Candidate Select to enable or disable RP candidacy on the interface.
RP Candidate Priority Enter the priority number for advertising RP candidacy on the
FortiGate interface. The range is from 1 to 255.
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