What is a commonality between DMVPN and FlexVPN technologies?

The correct answer is B. IOS routers run the same NHRP code for DMVPN and FlexVPN.. FlexVPN uses NHRP for name resolution I believe. If you pay close attention to the option, it's saying it's the IOS is running the same NHRP being used, which is accurate as it's the build on FlexVPN NHRP is primarily used to establish spoke to spoke communication.

Submitted by katya_ua· Mar 30, 2026Secure Connectivity

Question

Options

AFlexVPN and DMVPN use the same hashing algorithms.
BIOS routers run the same NHRP code for DMVPN and FlexVPN.
CFlexVPN and DMVPN use the new key management protocol.
DFlexVPN and DMVPN use IS-IS routing protocol to communicate with spokes

How the community answered

(30 responses)

A
3% (1)
B
90% (27)
C
7% (2)

Explanation

FlexVPN uses NHRP for name resolution I believe. If you pay close attention to the option, it's saying it's the IOS is running the same NHRP being used, which is accurate as it's the build on FlexVPN NHRP is primarily used to establish spoke to spoke communication.

Topics

#DMVPN#FlexVPN#NHRP

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