I have a question reguarding administrative distances and hopcounts. I will use

Question

I have a question reguarding administrative distances and hopcounts. I will use RIP as the example the maximum HOP count is 15 Ithink, 16 is considered unreachable for RIP. But when I lookon my chart it shows the default ADMINISTRATIVE DISTANCE being 120for RIP. Are administrative distance and hop coiunt the samething? I have a question reguarding administrative distances and hopcounts. I will use RIP as the example the maximum HOP count is 15 Ithink, 16 is considered unreachable for RIP. But when I lookon my chart it shows the default ADMINISTRATIVE DISTANCE being 120for RIP. Are administrative distance and hop coiunt the samething?

Explanation / Answer

Administrative distance and hop count are no the same thing. Administrative Distance: Administrative distance is a criterion that a router uses todetermine which routing protocol to use if two protocols provideroute information for the same destination. Administrative distanceis the feature that routers use in order to select the best pathwhen there are two or more different routes to the same destinationfrom two different routing protocols. Each routing protocol isprioritized in order of most to least reliable (believable) withthe help of an administrative distance value. Hop Count: RIP uses a single routing metric (hop count) to measure thedistance between the source and a destination network. Each hop ina path from source to destination is assigned a hop count value,which is typically 1. When a router receives a routing update thatcontains a new or changed destination network entry, the routeradds 1 to the metric value indicated in the update and enters thenetwork in the routing table. The IP address of the sender is usedas the next hop.

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