On which device is the fault condition located?

Ticket 1 OSPF Authentication

TROUBLE TICKET STATEMENT:

“The implementation group has been using the test bed to do a ‘proof-of-concept’ that required both client 1 and client 2 to access the Web Server at 209.65.200. 241. After several changed to interface status, network addressing, routing schemes and layer 2 connectivity, at trouble ticket has been opened indicating that client 1 cannot ping the 209.65.200.241 (internet Server)”

The following information needs yourself show run:

Configuration of R1:

interface Serial0/0/0

description Link to R2

ip address 10.1.1.1 255.255.255.252

ip nat inside

encapsulation frame-relay

ip ospf message-digest-key 1 md5 TSHOOT

ip ospf network point-to-point

!

router ospf 1

router-id 1.1.1.1

log-adjacency-changes

network 10.1.2.0 0.0.0.255 area 12

network 10.1.10.0 0.0.0.255 area 12

default-information originate always

!

Configuration of R2:

interface Serial0/0/0.12 point-to-point

ip address 10.1.1.2 255.255.255.252

ip ospf authentication message-digest

ip ospf message-digest-key 1 md5 TSHOOT

!

On which device is the fault condition located?
A . R1
B . R2
C . R3
D . R4
E . DSW1
F . DSW2
G . ASW1
H . ASW2

View Answer

Answer: A

Explanation:

As you will see, the problem in this situation is with OSPF on R1. It is missing the "ip ospf authentication message-digest" command on the Serial0/0/0/0.12 interface.