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Manual Reference Pages  -  PIM6DD.CONF (5)


pim6dd.conf - config file for pim6dd, PIM for IPv6 dense mode daemon


See Also


The file describes how the pim6dd(8) daemon treats each interface on the system. By default(including the case where there is no configuration file), PIM will be activated on all interfaces, which can be overridden by the file. Lines beginning with #’ are comments.

The following configuration directives are availble:

default_source_preference preference
  Specifies a default preference value when sending a PIM assert message. Preferences are used by assert elections to determine upstream routers. Currently pim6dd(8) does not have an effective method to obtain preferences and metrics from the unicast routing protocols, so you may want to set a default value by hand.
default_source_metric metric
  Specifies a default metric value when sending a PIM assert message. Since pim6dd(8) cannot get an effective metric of unicast routing, it is recommended that preferences is set such that metrics are never consulted. However, default metrics may also be set, and its default value is 1024.
phyint interface [disable]
  Specifies pim6dd(8) to ignore the interface even if the interface is multicast-capable. Interfaces are specified in the form of "name unit", such as gif0 and ep1.
phyint interface [preference preference] [metric metric]
  Specifies the preference and/or metric values when sending a PIM assert message on the interface.
filter groupaddrs interfaces...
  Specifies an output filter by defining an administrative scope. If an incoming multicast packet’s destination matches the specified groupaddrs, the packet is not sent on the interfaces. Moreover, if there is no other interface than the specified interfaces, pim6dd(8) sends a prune message to the upstream neighbor. Valid formats of groupaddrs are as follows.
  specifies a numerical range of a scope. Multicast addresses from multicastaddr1 to multicastaddr2 will be filtered out. Note that neither a white space nor a tab character must not be inserted before nor after -’.
  specifies a group prefix of a scope. Multicast addresses which match the specified prefix will be filtered out. If prefixlen is omitted, it means the exact match for multicastaddr.
interfaces are specified as a blank separated list of interfaces. Each interface is specified in the form of "name unit".


# phyint gif0 disable
# phyint ep0 preference 101
phyint de0 disable
filter ff15::4000/120 gif1 gif2
filter ff18::1000-ff18::1050 gif3




The pim6dd(8) command and the configuration file pim6dd.conf are based on pimdd, which is an IPv4 multicast routing daemon developed at the University of Oregon. pimdd has been derived from PIM sparse-mode pimd developed at University of Southern California. Part of these two programs above has also been derived from mrouted. mrouted is COPYRIGHT 1989 by The Board of Trustees of Leland Stanford Junior University.
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