network cisco ccna gns3 certification arteq

network cisco ccna gns3 certification arteq
a network runs through it

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Sunday, December 25, 2011

lance link secret chimp...

link state/status...

every router learns about it's own link states and the state of its directly connected networks... it determines this by link UP status and ip address

every router forms adjacencies with its neighbor on directly connected networks via hello packets

every router builds a link state packet declaring the state of  each directly connected link and forwards it to its neighbor.  this lsp includes, bandwidth, neighbor id and link type

upon receipt, every router floods it's OWN neighbors with this lsp, and so on.  every router stores a copy of its neighbor's lsp's in its database

every router then constructs its OWN view of the topology and best path determination using the SPF algorithm.  a common tree is created, however, it has been defined independently by each router


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