EIGRP-2

Question 1

Explain Split Horizon.

Answer 1

The Split Horizon feature prevents a route learned on one interface from being advertised back out of that same interface. It is used to prevent loops in EIGRP.

Question 2

What are the Active State route and the Passive State route?

Answer 2

• The EIGRP Active State route is when a router is actively searching for an alternate path to the destination network.
• The EIGRP Passive State route is when a feasible successor has been found for the route, and the router is not actively searching for an alternate path to the destination network.

Question 3

Explain Stuck in Active (SIA)?

Answer 3

The condition when a route becomes unreachable and not all queries for it are answered; adjacencies with unresponsive neighbors are reset.

Question 4

How Passive Interface command works in EIGRP?

Answer 4

The passive-interface command stops sending outgoing hello packets, hence the router cannot form any neighbor relationship via the passive interface.

Question 5

How can we change Hello and Hold time in EIGRP?

Answer 5

These commands will make hello interval 3 seconds and hold time 12 seconds.
# interface Fa0/0
# ip hello-interval eigrp 100 3
# ip hold-time eigrp 100 12