DMVPN with IPsec Phase 3: Difference between revisions

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


- Set GRE MTU value
- Set GRE MTU value to 1476


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


<br>[[File:DMVP_HUB_phase3_example1.png]]
<br>[[File:DMVP_HUB_phase3_example1.png]]
----
----
<b>Step 2</b>: configure DMVPN Phase 1 parameters:<br>[[File:DMVP HUB phase3 example2.png]]
<b>Step 2</b>: configure DMVPN Phase 1 parameters:
 
- Encryption algorithm - AES 128
 
- Authentication SHA1
 
- DH group - MODP1024
 
<br>[[File:DMVP HUB phase3 example2.png]]
----
----
<b>Step 3</b>: configure DMVPN Phase 2 parameters:<br>[[File:DMVPN HUB Phase3 example3.png]]
<b>Step 3</b>: configure DMVPN Phase 2 parameters:
 
- Encryption algorithm - 3DES
 
- Hash algorithm - MD5
 
- PFS group -MODP768
 
<br>[[File:DMVPN HUB Phase3 example3.png]]
----
----
<b>Step 4</b>: configure DMVPN NHRP parameters:<br>[[File:DMVPN HUB Phase3 example4.png]]
<b>Step 4</b>: configure DMVPN NHRP parameters:
 
<br>[[File:DMVPN HUB Phase3 example4.png]]
----
----
<b>Step 5</b>: save changes
<b>Step 5</b>: save changes
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Navigate to the <b>Network → Routing → Dynamic Routes → BGP Protocol</b> page and follow the instructions provided below.
Navigate to the <b>Network → Routing → Dynamic Routes → BGP Protocol</b> page and follow the instructions provided below.


<b>Step 1</b>: enable BGP and configure General section:<br>[[File:DMVPN HUB Phase3 example5.png]]
<b>Step 1</b>: enable BGP and configure General section:
 
- Enable vty
 
- Set AS to 65000
 
- Set announcement network(s). Routes to these networks will be shared over BGP. We used 192.168.1.0/24
 
<br>[[File:DMVPN HUB Phase3 example5.png]]
----
----
<b>Step 2</b>: Create BGP Peer Group:<br>[[File:DMVPN HUB Phase3 example6.png]]
 
 
<b>Step 2</b>: Create BGP Peer Group:
 
- Add Neighbor address (We used 10.0.0.1 and 10.0.0.2)
 
<br>[[File:DMVPN HUB Phase3 example6.png]]
----
----
<b>Step 3</b>: Add two BGP peers for each spoke:<br>[[File:DMVPN HUB Phase3 example7.png]]
 
 
<b>Step 3</b>: Add two BGP peers for each spoke:
 
Peer 1.
 
- Set Remote AS to 65001
 
- Set Remote address as 10.0.0.1
 
Peer 2.
 
- Set Remote AS to 65002
 
- Set Remote address as 10.0.0.2
 
<br>[[File:DMVPN HUB Phase3 example7.png]]
----
----
[[File:DMVPN HUB Phase3 example8.png]]
[[File:DMVPN HUB Phase3 example8.png]]
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Navigate to the <b>Services → VPN → DMVPN</b> page and follow the instructions provided below.
Navigate to the <b>Services → VPN → DMVPN</b> page and follow the instructions provided below.


<b>Step 1</b>: create a new DMVPN instance:<br>[[File:DMVPN HUB Phase3 spoke1 example1.png]]
<b>Step 1</b>: create a new DMVPN instance:
 
- Add HUB address
 
- Select Tunnel source
 
- Add Local GRE interface IP address
 
- Add Remote GRE interface IP address
 
- Set GRE MTU
 
- Set Local identifier, Remote identifier as %any and input same Pre-shared key
 
<br>[[File:DMVPN HUB Phase3 spoke1 example1.png]]
----
----
<b>Step 2</b>: configure DMVPN Phase 1 parameters:<br>[[File:DMVPN HUB Phase3 spoke example2.png]]
 
 
<b>Step 2</b>: configure DMVPN Phase 1 parameters:
 
- Select Encryption algorithm - AES 128
 
- Select Authentication SHA1
 
- Select DH group MODP1024
 
<br>[[File:DMVPN HUB Phase3 spoke example2.png]]
----
----
<b>Step 3</b>: configure DMVPN Phase 2 parameters:<br>[[File:DMVPN HUB Phase3 spoke example3.png]]
 
 
<b>Step 3</b>: configure DMVPN Phase 2 parameters:
 
- Select Encryption algorithm 3DES
 
- Select Hash algorithm MD5
 
- Select PFS group MODP768
 
<br>[[File:DMVPN HUB Phase3 spoke example3.png]]
----
----
<b>Step 4</b>: configure DMVPN NHRP parameters:<br>[[File:DMVPN HUB Phase3 spoke example4.png]]
 
 
<b>Step 4</b>: configure DMVPN NHRP parameters:
 
- Leave everything by default
 
<br>[[File:DMVPN HUB Phase3 spoke example4.png]]
----
----
<b>Step 5</b>: save changes
<b>Step 5</b>: save changes
Line 75: Line 163:
Navigate to the <b>Network → Routing → Dynamic Routes → BGP Protocol</b> page and follow the instructions provided below.
Navigate to the <b>Network → Routing → Dynamic Routes → BGP Protocol</b> page and follow the instructions provided below.


<b>Step 1</b>: enable BGP and configure General section:<br>[[File:DMVPN HUB Phase3 spoke example5.png]]
<b>Step 1</b>: enable BGP and configure General section:
 
- Enable vty
 
- Set AS to 65001
 
- Set Network to 192.168.10.0/24
 
<br>[[File:DMVPN HUB Phase3 spoke example5.png]]
----
----
<b>Step 2</b>: Create BGP Peer:<br>[[File:DMVPN HUB Phase3 spoke example6.png]]
 
 
<b>Step 2</b>: Create BGP Peer:
 
- Set Remote AS to 65000
 
- Set Remote address to 10.0.0.254
 
<br>[[File:DMVPN HUB Phase3 spoke example6.png]]


===Spoke 2 configuration: DMVPN===
===Spoke 2 configuration: DMVPN===
Line 83: Line 187:
Navigate to the <b>Services → VPN → DMVPN</b> page and follow the instructions provided below.
Navigate to the <b>Services → VPN → DMVPN</b> page and follow the instructions provided below.


<b>Step 1</b>: create a new DMVPN instance:<br>[[File:DMVPN HUB Phase3 spoke2 example1.png]]
<b>Step 1</b>: create a new DMVPN instance:
 
- Input your HUB address
 
- Select Tunnel source interface
 
- Set Local GRE interface address to 10.0.0.2
 
- Set Remote GRE interface IP address to 10.0.0.254
 
- Set GRE MTU to 1476
 
<br>[[File:DMVPN HUB Phase3 spoke2 example1.png]]
----
----
<b>Step 2</b>: configure DMVPN Phase 1 parameters:<br>[[File:DMVPN HUB Phase3 spoke2 example2.png]]
 
 
<b>Step 2</b>: configure DMVPN Phase 1 parameters:
 
- Select Encryption algorithm - AES 128
 
- Select Authentication SHA1
 
- Select DH group MODP1024
 
<br>[[File:DMVPN HUB Phase3 spoke2 example2.png]]
----
----
<b>Step 3</b>: configure DMVPN Phase 2 parameters:<br>[[File:DMVPN HUB Phase3 spoke2 example3.png]]
<b>Step 3</b>: configure DMVPN Phase 2 parameters:
 
- Select Encryption algorithm 3DES
 
- Select Hash algorithm MD5
 
- Select PFS group MODP768
 
<br>[[File:DMVPN HUB Phase3 spoke2 example3.png]]
----
----
<b>Step 4</b>: configure DMVPN NHRP parameters:<br>[[File:DMVPN HUB Phase3 spoke2 example4.png]]
 
 
<b>Step 4</b>: configure DMVPN NHRP parameters:
 
<br>[[File:DMVPN HUB Phase3 spoke2 example4.png]]
----
----
<b>Step 5</b>: save changes
<b>Step 5</b>: save changes
Line 97: Line 235:
Navigate to the <b>Network → Routing → Dynamic Routes → BGP Protocol</b> page and follow the instructions provided below.
Navigate to the <b>Network → Routing → Dynamic Routes → BGP Protocol</b> page and follow the instructions provided below.


<b>Step 1</b>: enable BGP and configure General section:<br>[[File:DMVPN HUB Phase3 spoke2 example5.png]]
<b>Step 1</b>: enable BGP and configure General section:
 
- Enable vty
 
- Set AS to 65002
 
- Set Network to 192.168.20.0/24
 
<br>[[File:DMVPN HUB Phase3 spoke2 example5.png]]
----
----
<b>Step 2</b>: Create BGP Peer:<br>[[File:DMVPN HUB Phase3 spoke2 example6.png]]
 
 
<b>Step 2</b>: Create BGP Peer:
 
- Set Remote AS to 65000
 
- Set Remote address to 10.0.0.254
 
<br>[[File:DMVPN HUB Phase3 spoke2 example6.png]]


===Important Note===
===Important Note===


For HUB in Network > Firewall GRE zone change from REJECT to ACCEPT on FORWARD.
For HUB in Network > Firewall GRE zone change from REJECT to ACCEPT on FORWARD.
----
----
[[File:DMVPN HUB Phase3 example Firewall.png]]
[[File:DMVPN HUB Phase3 example Firewall.png]]
----
----
For setups behind NAT specify Local identifier in the <b>Services → VPN → DMVPN → IPsec section </b>
For setups behind NAT specify Local identifier in the <b>Services → VPN → DMVPN → IPsec section </b>
----
----
[[File:DMVPN HUB Phase3 example Behind NAT.png]]
[[File:DMVPN HUB Phase3 example Behind NAT.png]]

Revision as of 08:02, 16 December 2022

Main Page > General Information > Configuration Examples > VPN > DMVPN with IPsec Phase 3

Introduction

This article contains instructions on how to configure DMVPN Phase 3 between a "Hub" and two "Spokes" using Teltonika devices.

Prerequisites and overview

You will need:

  • 2 Teltonika Routers for "Spokes" and one for "Hub"
  • A PC to configure the routers
  • HUB must have a Public IP address

HUB configuration

This section contains information on how to configure DMVPN HUB. Firstly, we'll configure the DMVPN instance to make the connection possible. Then we'll set the Border Gateway Protocol (BGP) parameters as our dynamic routing solution.

Note: at the moment, BGP is the only stable dynamic routing solution that can work with DMVPNs.

HUB configuration: DMVPN

Navigate to the Services → VPN → DMVPN page and follow the instructions provided below.

Step 1: create a new DMVPN instance:

- Select your HUB interface in the Tunnel source field

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

- Set GRE MTU value to 1476

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


Step 2: configure DMVPN Phase 1 parameters:

- Encryption algorithm - AES 128

- Authentication SHA1

- DH group - MODP1024


Step 3: configure DMVPN Phase 2 parameters:

- Encryption algorithm - 3DES

- Hash algorithm - MD5

- PFS group -MODP768


Step 4: configure DMVPN NHRP parameters:


Step 5: save changes

Hub configuration: BGP

Navigate to the Network → Routing → Dynamic Routes → BGP Protocol page and follow the instructions provided below.

Step 1: enable BGP and configure General section:

- Enable vty

- Set AS to 65000

- Set announcement network(s). Routes to these networks will be shared over BGP. We used 192.168.1.0/24



Step 2: Create BGP Peer Group:

- Add Neighbor address (We used 10.0.0.1 and 10.0.0.2)



Step 3: Add two BGP peers for each spoke:

Peer 1.

- Set Remote AS to 65001

- Set Remote address as 10.0.0.1

Peer 2.

- Set Remote AS to 65002

- Set Remote address as 10.0.0.2



Spoke 1 configuration: DMVPN

Navigate to the Services → VPN → DMVPN page and follow the instructions provided below.

Step 1: create a new DMVPN instance:

- Add HUB address

- Select Tunnel source

- Add Local GRE interface IP address

- Add Remote GRE interface IP address

- Set GRE MTU

- Set Local identifier, Remote identifier as %any and input same Pre-shared key



Step 2: configure DMVPN Phase 1 parameters:

- Select Encryption algorithm - AES 128

- Select Authentication SHA1

- Select DH group MODP1024



Step 3: configure DMVPN Phase 2 parameters:

- Select Encryption algorithm 3DES

- Select Hash algorithm MD5

- Select PFS group MODP768



Step 4: configure DMVPN NHRP parameters:

- Leave everything by default


Step 5: save changes

Spoke 1 configuration: BGP

Navigate to the Network → Routing → Dynamic Routes → BGP Protocol page and follow the instructions provided below.

Step 1: enable BGP and configure General section:

- Enable vty

- Set AS to 65001

- Set Network to 192.168.10.0/24



Step 2: Create BGP Peer:

- Set Remote AS to 65000

- Set Remote address to 10.0.0.254


Spoke 2 configuration: DMVPN

Navigate to the Services → VPN → DMVPN page and follow the instructions provided below.

Step 1: create a new DMVPN instance:

- Input your HUB address

- Select Tunnel source interface

- Set Local GRE interface address to 10.0.0.2

- Set Remote GRE interface IP address to 10.0.0.254

- Set GRE MTU to 1476



Step 2: configure DMVPN Phase 1 parameters:

- Select Encryption algorithm - AES 128

- Select Authentication SHA1

- Select DH group MODP1024


Step 3: configure DMVPN Phase 2 parameters:

- Select Encryption algorithm 3DES

- Select Hash algorithm MD5

- Select PFS group MODP768



Step 4: configure DMVPN NHRP parameters:


Step 5: save changes

Spoke 2 configuration: BGP

Navigate to the Network → Routing → Dynamic Routes → BGP Protocol page and follow the instructions provided below.

Step 1: enable BGP and configure General section:

- Enable vty

- Set AS to 65002

- Set Network to 192.168.20.0/24



Step 2: Create BGP Peer:

- Set Remote AS to 65000

- Set Remote address to 10.0.0.254


Important Note

For HUB in Network > Firewall GRE zone change from REJECT to ACCEPT on FORWARD.


For setups behind NAT specify Local identifier in the Services → VPN → DMVPN → IPsec section

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