hellllllllllllllllllllllllllllllooooo...
the ospf hello packet contains
the router id of the originator
the area id
address mask
authentication, type and information
hello interval
RouterDeadInterval
router priority
dr and bdr
five flag bits of optional capabilities
router id's of it's neighbors
When a router receives a Hello from a neighbor, it will verify that the Area
ID, Authentication, Network Mask, HelloInterval, RouterDeadInterval, and Options values match the values configured on the receiving interface. If they do not, the packet is dropped and no adjacency is established.
If everything matches, the Hello packet is declared valid.
network cisco ccna gns3 certification arteq
a network runs through it
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