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What does OSPF use to update routes?

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surfbum99

Technical User
May 8, 2006
81
GB
Hi,

I had an exam question last time, What does OSPF use to update routes?

It it the HELLO packets and something else?
 
Hello packets are to keep neighbour establishments, OSPF uses Link State Advertisements ( LSA`s ) to communicate changes.

When OSPF first starts up is uses Hello to find its neighbours, then uses DBD ( database descriptior updates ) to describe their databases, then LSA for Link changes etc.

LEEroy
MCNE6,CCNA2,3/4 CCNP,CWNA,CCSA,Project+
 
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