Exhibit:
Router 1# show running-config
<some output text omitted>
interface serial0/0
bandwidth 64 ip address 172.16.100.2 255.255.0.0
encapsulation frame-relay
frame-relay map ip 172.16.100.1 100 broadcast
As a technician, you found the router1 is unable to reach the second router. Both routers are running IOS version 12.0. Based on this information, what is the most likely cause of the problem?
A.
incorrect IP address
B.
incorrect bandwidth configuration
C.
incorrect map statement
D.
incorrect LMI configuration
The configuration looks correct…seems like a poorly written question to me.
You need to configure DLCI number on the interface so it can make a connection with the ip 172.16.100.1.
Try it to figure it out in your packet tracer.
As far as I can see the mapping is correct. It maps 172.16.100.1 on the second router to the DLCI 100 on the router1. Thats inverse ARP working. Don’t understand this?????
You don’t know if the second router has the IP 172.16.100.1. And by the way, when you assign a map statement to an interface, you disable the IARP and also you conduct an implied statement of frame-relay interface-dlci 100. So the other router don’t know the IP address of the other end, and even if it sends it’s own (correct) IP address, Router 1 ignores it because it has IARP disabled. That’s it. So the correct answer is C. Now if the map statement doesn’t existed, the network would work as it should.. There is the big confusion.
why C the map statement is correct
its so confusing
I’m still confused. And I need further study on the inverse arp frame relay. But I’m satisfied with the answer base on the Given Question because how could you know the IP address 172.16.100.1 if its not given in the illustration. hehe