What is the difference between metric calculations in IGRP versus EIGRP?
A1:
The EIGRP metric is the IGRP metric multiplied by 256.
2:
What is an EIGRP query, and what is it used for?
A2:
An EIGRP query is sent when the successor is gone and the feasible successor is not available. An EIGRP query is used so that EIGRP can have fast convergence.
3:
What is the meaning of the term active route?
A3:
Active routes are routes in which the primary path is gone and no feasible successors are available. The router is actively searching for an alternate path .
4:
What is a feasible successor?
A4:
A feasible successor is an EIGRP neighbor that does not satisfy the feasible condition. Feasible successors can also be thought of as EIGRP backup routes that are used when the primary route is gone.
5:
What is EIGRP's multicast address?
A5:
EIGRP's multicast address is 224.0.0.10.
6:
What is the feasible condition?
A6:
The feasible condition is a condition in which the reported distance is less than the feasible distances. This condition ensures a loop-free topology.
7:
What is stuck in active?
A7:
Stuck in active is a condition in which the router has sent out queries for a lost route and has not received a reply within the active timer. By default, the active timer is three minutes.
