How do I set administrative distance in EIGRP?
The lower the better…as you can see EIGRP has a lower administrative distance (90) than OSPF (110) so we will use EIGRP in my example. Keep in mind: The administrative distance is only local and can be different for each router….How to configure Administrative Distance.
What is external EIGRP?
An EIGRP external route is a route that was redistributed into EIGRP. If the route was learned from a network statement then it is internal. And if it was learned from redistribution then it is external.
What is the administrative distance of an external OSPF route that was learned from EIGRP through redistribution?
By default, internal (which means non-redistributed) EIGRP routes are given an administrative distance of 90 while external (redistributed from another routing process) EIGRP routes are given an administrative distance of 170. The default administrative distance of OSPF is 110.
What is the difference between internal and external EIGRP?
Internal EIGRP routes have a metric of 90, and external ones have a metric of 170. In a nutshell, the difference between internal EIGRP and external EIGRP is that external routes come to us through redistribution, either between different EIGRP AS’s, or through a different protocol, such as OSPF.
How do you calculate administrative distance?
You can display the administrative distance of all routes on your router by typing the show ip route command:
- In the case above, the router has only a single route in its routing table learned from a dynamic routing protocols – the EIGRP route.
- RIP has been configured on all routers.
How do I set administrative distance?
To set an administrative distance:
- For RIP and OSPF, issue the distance command in Router Configuration mode. host1(config-router)#distance 100. The range for administrative distance is 0–255.
- For IS-IS, issue the distance ip command in Router Configuration mode. host1(config-router)#distance 80 ip.
What is administrative distance in routing?
Administrative distance is the feature used by routers to select the best path when there are two or more different routes to the same destination from two different routing protocols. Administrative distance defines the reliability of a routing protocol.
What does administrative distance rank?
What does administrative distance rank? Explanation: Sources of routing information is the administrative distance rank. It is used by routers to select the best path when there are different routes to the same destination. It’s used only two different routing protocols are being used.
How does EIGRP determine best path?
By default EIGRP uses bandwidth and delay of the line to determine the best path to a remote network. However, if desired, EIGRP can use a composite of four metrics: bandwidth, delay, reliability, and load. 0.0/30 network are in the topology and routing table.
How does Eigrp determine administrative distance?
What is administrative distance?
How do I find my router administrative distance?
What is the administrative distance for IGRP?
This is because EIGRP routes have (by default) the administrative distance of 90, while RIP route have a higher administrative distance of 120. You can display the administrative distance of all routes on your router by typing the show ip route command:
When to use EIGRP?
EIGRP is used on a router to share routes with other routers within the same autonomous system. Unlike other well known routing protocols, such as RIP, EIGRP only sends incremental updates, reducing the workload on the router and the amount of data that needs to be transmitted.
What is the function of EIGRP?
Enhanced Interior Gateway Routing Protocol (EIGRP) is an advanced distance-vector routing protocol that is used on a computer network for automating routing decisions and configuration. The protocol was designed by Cisco Systems as a proprietary protocol, available only on Cisco routers. Nov 15 2019