Default Administrative Distances for IP Routes

What is Administrative Distance?

Administrative distance refers to a routing protocol routing credibility. Every routing protocol by low reliability, in turn assigned a trust level, the level of trust is called administrative distance.

List of Default Administrative Distances for IP Routes for Cisco Routers

Following is the complete list of administrative distances of all IP routes/links that a router uses to forwarding the IP packets.

IP Route	Administrative Distance
Connected interface	0
Static route directed to a connected interface	1
Static route directed to an IP address	1
EIGRP summary route	5
External BGP route	20
Internal EIGRP route	90
IGRP route	100
OSPF route	110
IS-IS route	115
RIP route	120
EGP route	140
External EIGRP route	170
Internal BGP route	200
Route of unknown origin	255
Huawei routers
Direct route	0
IGRP	80
RIP	110
OSPF	150
BGP	170