With distance vector routing protocols, it is never useful
to send
the same routing update packet back out the same interface
that it was
learned. This concept is called what?
A.) Holddown timers
B.) Poison Reverse
C.) Count to infinity
D.) Split Horizon
E.) Link State
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Answer: D
Split horizon is the concept of: 'Don't tell me what I just
told you.'
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The concept is called Split Horizon.
It is used to avoid rooting loops in a network.
Basic principle is - "Information about routing path for a
particular packet is never sent back on the interface from
which it was received".
In simple sense, we can say "DON'T TELL ME WHAT I JUST TOLD YOU"
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hello friend i have answerd more time of your question or doute.now i am seeing towards you for help,plz send the soln before monedya the problem is i have three router r1 and r2 and r3 they are conested in that maneer thai is r1---r2---r3---server | | server bothe server have diffrent ip now i have to implemnt access list on the r3 router in such a way that user from r1 can access only one server while user from r2 can access whole servre i ahve done it but both user of r1 and r2 uses all server i need help please help me this time? i have repalsced my firwall by r3 router so bacicaly i have to implement it on my firewall but you tell me on cisco router please help
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