Join us in congratulating the following CCIE on his great achievement;

• Yash Joshi CCIE #31109 (Voice)

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Have you been following the IPexpert blog and you feel you are ready for sample questions on the Next Hop Resolution Protocol? Here you go friends and faithful readers!

Question 1:

Which of these statements regarding NHRP are true? Choose two.

a. NHRP is typically used with P2P GRE interfaces
b. The NHRP network ID must match on all routers in the hub and spoke NBMA cloud
c. NHRP provides functionality similar to ARP
d. NHRP is a key ingredient in the DMVPN from Cisco Systems

Question 2:

NHRP can be broken down into two operational functions. What are these two? Choose two.

a. NHRP resolution
b. NHRP broadcasting
c. NHRP querying
d. NHRP registration

Question 1 Answer:

1. c, d

Question 2 Answer:

2. a, d

Anthony Sequeira CCIE, CCSI
Twitter: @compsolv
Facebook: http://www.facebook.com/compsolv

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In a recent Cisco Small Business post that you can find here, Cisco discussed the version 4.0 blueprint publicly for the first time. Of course many students flipped out and took this to mean it was the official announcement. As you can read, it is not. This means that the famous six month timer has NOT started.

Obviously, the official announcement is coming soon. The RSA conference mentioned in the article, and  Cisco Live in San Diego, are certainly candidates for the official announcement.

Here is the relevant information from the post:
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RFC 2332 defines Next Hop Resolution Protocol (NHRP). This important support protocol allows a host or router to communicate over a non-broadcast multi-access (NMBA) network by learning the NBMA address of the another host or remote router. As was pointed out in the previous blog post on mGRE, this protocol is critical for our study in the CCIE Security field due to it playing a key role in the Dynamic Multipoint VPN (DMVPN). In fact, the NHRP protocol makes the DMVPN function dynamically! 
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This document seeks to prepare students for the topics of GRE and mGRE for the CCIE Written Exam version 3.0. These are important technologies to master as part of the General Networking section of this exam blueprint.

Generic Routing Encapsulation (GRE)

Cisco developed the Generic Routing Encapsulation (GRE) protocol to encapsulate network layer protocols over a virtual point-to-point (P2P) link. RFC 2784 details this useful protocol.
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