Jaycee's Networking

October 15, 2009

IOS ADs vs JUNOS Preferences

Filed under: IOS, Junos — Tags: , — Jaycee @ 8:17 pm
Source IOS administrative distance JUNOS protocol preference Purpose
Local 0 0 Local IP of the interface
Connected Interface 0 0 Subnet corresponding to the directly connected interface
System Routes 4
Static 1 5 Static routes
RSVP 7 Routes learned from the Resource Reservation Protocol used in MPLS
LDF 8
LDP 9 Routes learned from the Label Distribution Protocol used in MPLS
OSPF internal route 10 OSPF internal routes such as interfaces that are running OSPF
IS-IS Level 1 internal route 15 IS-IS Level 1 internal routes such as interfaces that are running ISIS
IS-IS Level 2 internal route 18 IS-IS Level 2 internal routes such as interfaces that are running ISIS
EBGP 20
Redirects 30 Routes from ICMP redirect
Kernel 40 Routes learned via route socket from kernel
SNMP 50 Routes installed by NMS through the SNMP
Router discovery 55 Routes installed by ICMP Router Discovery
Internal EIGRP 90 Cisco proprietary routing protocol
RIP 100 Routes from Routing Information Protocol (IPv4)
RIPng 100 Routes from Routing Information Protocol (IPv6)
IGRP 100 Internal Gateway Routing Protocol
PIM 105 Routes from Protocol Independent Multicast
DVMRP 110 Routes from Distance Vector Multicast
OSPF 110
IS-IS 115
RIP 120 Routes from Routing Information Protocol
Aggregate 130 Aggregate and generated routes
EGP 140 Routes from Exterior Gateway Protocol
OSPF AS external routes 150 Routes from OSPF that have been redistributed into OSPF
ODR 160 On Demand Routing
IS-IS Level 1 external route 160 Routes from IS-IS Level 1 that have been redistributed into ISIS
IS-IS Level 2 external route 165 Routes from IS-IS Level 2 that have been redistributed into ISIS
BGP 170 Routes from BGP
MSDP 175
External EIGRP 170
iBGP 200
Unknown 255 255
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