PMTUD (Path MTU Discovery) not working, what is the issue?

PMTUD (Path MTU Discovery) not working, what is the issue?
A . Local router MTU is 1500
B . Local router MTU is 1400
C . Router in the path has “no ip host unreachable” configured
D . Router in path has ICMP Redicrects enabled

View Answer

Answer: C