Refer to the exhibit. A network administrator is replacing an existing router and configuring EIGRP authentication on the Serial 0/0/0 port. When viewing the routing table, the administrator notices that the entries for the remote networks are not listed. The administrator enters the debug eigrp packet command and notices this output: Based on the information in the running configuration and the output from the debug command, what is a possible reason for the missing routes?

IT Questions Bank › Category: CCNP › Refer to the exhibit. A network administrator is replacing an existing router and configuring EIGRP authentication on the Serial 0/0/0 port. When viewing the routing table, the administrator notices that the entries for the remote networks are not listed. The administrator enters the debug eigrp packet command and notices this output: Based on the information in the running configuration and the output from the debug command, what is a possible reason for the missing routes?

Refer to the exhibit. A network administrator is replacing an existing router and configuring EIGRP authentication on the Serial 0/0/0 port. When viewing the routing table, the administrator notices that the entries for the remote networks are not listed. The administrator enters the debug eigrp packet command and notices this output:

R1# *Nov 17 01:26:31.935: EIGRP: Serial0/0/0: ignored packet from 172.20.1.2, opcode = 5 (authentication off or key-chain missing)

Based on the information in the running configuration and the output from the debug command, what is a possible reason for the missing routes?

An incorrect keychain name has been entered under the serial interface.
The EIGRP autonomous system does not match the interface authentication autonomous system.
EIGRP is not enabled on the correct interface.
Automatic summarization must be disabled.

Exam with this question: CCNP TSHOOT Chapter 10 Exam Answers (Version 7)