Which mechanism provides dynamic mutual discovery of spoke devices in DMVPN deployments?

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IT Exam Items Repository › Category: CCNP ENARSI v9 › Which mechanism provides dynamic mutual discovery of spoke devices in DMVPN deployments?

Which mechanism provides dynamic mutual discovery of spoke devices in DMVPN deployments?

Expired Certificate List
GRE
NHRP
IKE
DHCP

Explanation: Next Hop Resolution Protocol (NHRP) is the mechanism that enables dynamic mutual discovery in DMVPN deployments. Each spoke router registers its public (NBMA) and private (Tunnel) IP addresses with the hub (the NHRP server). When a spoke needs to find another spoke to build a direct tunnel, it queries the NHRP database on the hub to resolve the target's physical address.

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