i am confused on communication type of ospf point-to-multipoint network
packet .
2 descriptions from jeff dolye's routing tcp/ip vol1 are as follow:
page417,2nd paragragh
routers on these networks(point-to-multipoint networks) do not
elect a dr and bdr , and because the networks are seen as
point-to-point links, the ospf packets are multicast.
~~~~~~~~~~
page451,4th paragragh
on point-to-multipoint and virtual link networks,updates(link
state update) are unicasted to the interface addresses of the
~~~~~~~~~
adjacent neighbors.
which one is correct? or both?
thanks in advance.
--
Regards,
Zhao Meng.
CCNA,MCSE,MCP+I
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