[ntp:hackers] Broadcast/multicast commands
David L. Mills
mills at udel.edu
Mon Dec 3 19:47:08 GMT 2007
Guys,
Occasionally I get requests to enable broadcast reception on a specific
local subnet when a client is connected to more than one. This applies
expecially to certain redundant configurations. Right now, the broadcast
command is used for both IPv4 broadcast and multicast and IPv6 broadcast
configurations, but separate broacastclient and multicastclient commands
are necessary.
It would be nice if the broadcastclient command could be used for all
configurations supported by the broadcast command. Howeve, this appears
to be in conflict with the current syntax, which takes a single argument
in the broadcast command to suppress the delay volley. This function can
now alternatedly be controlled by the broadcast delay command. If the
above functionality can be implemented, I propose to eliminate the argument.
In summary, the broadcast commend semantics remains the same. The
multicastclient functionality is moved to the broadcastclient and the
multicastclient command removed. Multiple broadcast client addresses are
supported in the same broadcastclient command. The default in this
command is to listen to all interfaces as it does now.
The resullt would be a lot cleaner and more obvious to the newbie, as
well as provided useful functionality in multi-homed redundant
configurations.
Dave
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