Leading Cisco networking products distributor-3network.com DMVPN With Configuration Example

1. DMVPN with Configuration example
Introduction:
This document gives information about DMVPN with a configuration example.
What is DMVPN?
DMVPN stands for Dynamic Multipoint VPN and it is an effective solution for dynamic
secure overlay networks. In short, DMVPN is combination of the following technologies:
Multipoint GRE (mGRE)
Next-Hop Resolution Protocol (NHRP)
Dynamic Routing Protocol (EIGRP, RIP, OSPF, BGP)
Dynamic IPsec encryption
Cisco Express Forwarding (CEF)
Physical Connectivity:
1

2. HUB:
ROUTER 2
2

3. ROUTER 3
ROUTER 4
DMVPN Config:
Once you have physical connectivity you can add the DMVPN configuration.
HUB
ROUTER 2
3

4. ROUTER 3
ROUTER 4
IPSEC:
Next you will need to add IPSEC, this will ensure that traffic is not sent in clear text. This
configuration will be added to each router except router 1.
Dynamic Routing
To enable dynamic routing i am using EIGRP add the following configuration to each
routers except router 1.
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5. Verification:
Dynamic Tunnels:
NHRP Tunnels:
It is referred from: https://supportforums.cisco.com/docs/DOC-29434
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More Cisco products and Reviews you can visit: http://www.3anetwork.com/blog
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6. products at competitive price and ship to worldwide.
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7. products at competitive price and ship to worldwide.
Our website: http://www.3anetwork.com
Telephone: +852-3069-7733
Email: info@3Anetwork.com
Address: 23/F Lucky Plaza, 315-321 Lockhart Road, Wanchai, Hongkong
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