You are designing a network using multipoint GRE tunnels and need to be able to detect when connectivity
between the GRE tunnel endpoints is broken. Which statement is true about configuring keepalives for
multipoint GRE tunnels?
A. The keepalive timer values on the routers must have the same value.
B. Both routers must support GRE tunnel keepalives.
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C. No configuration is required to detect when connectivity is broken between the GRE tunnel endpoints.
D. GRE tunnel keepalives will not detect when connectivity is broken between the GRE tunnel endpoints.
Answer: D
Explanation: