Changes

<b>Step 1</b>: create a new DMVPN instance:

<b>Step 1</b>: create a new DMVPN instance:

- Select your HUB interface in the Tunnel source field

1. Select your HUB interface in the Tunnel source field

- Set Local GRE interface IP address (for example, 10.0.0.254)

2. Set Local GRE interface IP address (for example, 10.0.0.254)

- Set GRE interface netmask to 255.255.255.255

3. Set GRE interface netmask to 255.255.255.255

- Set GRE MTU value to 1420 (or even slightly lower - 1400 if a mobile interface is used)

4. Set GRE MTU value to 1420 (or even slightly lower - 1400 if a mobile interface is used)

- Outbound/inbound keys are optional, for this example we will leave it at default

- Outbound/inbound keys are optional, for this example we will leave it at default

- Set IPsec Pre-shared key (we used simple 123456 for this example)

5. Set IPsec Pre-shared key (we used simple 123456 for this example)

<br>[[File:Hub 255.png|alt=|border]]

<br>[[File:HUB main.png|alt=|border]]

----

----

<b>Step 2</b>: configure DMVPN Phase 1 parameters:

<b>Step 2</b>: configure DMVPN Phase 1 parameters: