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Qu? es distancia administrativa?

fernanperez
Level 1
Level 1

Que significa distancia administrativa en los protocolos de entutamiento?????

Gracias a todos.

Fern?n.

4 Replies 4

Hola,

la distancia administrativa de un protocolo de enrutamiento dice algo sobre la credibilidad del protocolo. Cada protocolo tiene una distancia administrativa:

Connected interface 0

Static route 1

Enhanced Interior Gateway Routing Protocol (EIGRP) summary route 5

External Border Gateway Protocol (BGP) 20

Internal EIGRP 90

IGRP 100

OSPF 110

Intermediate System-to-Intermediate System (IS-IS) 115

Routing Information Protocol (RIP) 120

Exterior Gateway Protocol (EGP) 140

On Demand Routing (ODR) 160

External EIGRP 170

Internal BGP 200

Unknown* 255

Si tienes dos rutas a la misma destinaci?n, y una ruta es derivada del protocolo RIP y la otra del protocolo OSPF, la ruta OSPF es la ruta preferida, porque la distancia administrativa del protocolo OSPF es m?s baja (110) que la distancia administrativa del protocolo RIP (120).

Saludos,

Georg Pauwen

Muchas gracias Georg....

Hi Georg, thanks for the answer. I just have a doubt with these numbers, I understand the porpuose but I would like to know if these numbers are arbitrary or came in a RFC or are based on a math formula. Hope you can help me with this doubt. Greetings!

Hello Adrian,

 

That numbers are exclusively a fabrician decision, to give you an example you can view this table https://nerd.h8u.net/2015/06/19/comparing-cisco-and-juniper-administrative-distance/ the Juniper vs Cisco Aministratives distances for diferents protocols, so is not something fixed all fabricians have their own criteria.

Please do not forget to rate useful post.

 

Best Regards,

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