is the feature that routers use in order to select the best path when there are two or more different routes to the same destination from two diffent routing protocol.
Route Source
|
Default Distance Values
|
|---|---|
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
|
