Question 205 of 250 from exam 400-201: Cisco CCIE Service Provider Written Exam

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$LoopbackO: 192.168.0.x (x =router number) Pi Gi0/0/0/1 0/0/0/0!5 O\O\0\0iD Gi0/0/0/1 P2 RP/0/0/CPUO:Pl#show mpls ldp discovery Local LDP Identifier: 192.168.0.1.0 Discovery Sources: Interfaces: GigabitEthernet0/0/0/0 : xmit/recv VRF: ‘default’ (0x60000000) LDP Id: 192.168.0.2:0, Transport address: 192.168.0.2 Hold time: 15 sec (local:15 sec, peer:15 sec) Established: Jan 13 14:22:14.497 (00:42:05 ago) GigabitEthernet0/0/0/1 : xmit/recv VRF: ‘default’ (0x60000000) LDP Id: 192.168.0.3:0, Transport address: 192.168.0.33 (no route) Hold time: 10 sec (local:15 sec, peer:10 sec) Established: Jan 13 14:22:36.907 (00:41:43 ago) GigabitEthernet0/0/0/2 : xmit VRF: ‘default’ (0x60000000) LDP Id: 192.168.0.4:0, Transport address: 192.168.0.4 (no route) Hold time: 10 sec (local:10 sec, peer:10 sec) Established: Jan 13 14:23:09.693 (00:41:10 ago)$

Refer to the exhibit.

P1 and P3 cannot establish an LDP session between them.

Which reason for this issue is true?

Answers

A. Mismatched LDP discovery hold timers are between P1 and P3.

B. P1 is not configured to send LDP discovery packets to P3.

C. P3 cannot discover P1 because P3 has a route to each P1.

D. The LDP transport source address used on P3 is incorrectly configured.

Show Answer

Explanations

A. B. C. D.

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