Implementing and Operating Cisco Security Core Technologies (SCOR) — Question 536

Which component performs the resolution between the tunnel address and mGRE address in DMVPN?

Answer options

• A. GDOI
• B. NBMA
• C. NHRP
• D. NHS

Correct answer: C

Explanation

NHRP (Next Hop Resolution Protocol) is specifically designed to map the tunnel addresses to the mGRE addresses in a DMVPN setup, making it the correct choice. GDOI (Group Domain of Interpretation) and NHS (Next Hop Server) serve different roles in DMVPN, while NBMA (Non-Broadcast Multi-Access) is a network type and does not perform address resolution.