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The platform enables you to create site-to-site VPNs between virtual datacenters and other virtual datacenters or other entities.

This feature is available in datacenters using VMware with NSX-NAT or NSX-gateway.

To manage VPNs, go to Virtual datacenters → select a virtual datacenter → Network → VPN

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Initial support for VPNs is per VDC, which means you need to create a separate VPN site for each connected virtual datacenter. Both sites of a VPN must have the same encryption and authentication settings, and inverse local and remote network configurations.

The following table describes VPN functionality in the providers.

	AWS	VMware NSX	Azure
Encryption	AES	AES, AES256, Triple DES, AES-GCM	AES128_SHA1, AES128_SHA256, AES256_SHA1, AES256_SHA256, _3DES_SHA1, _3DES_SHA256
Perfect forward secrecy enabled	always enabled	optional	always disabled
DH group	DH2	DH2, DH5, DH14	DH2, DH14
Authentication	PSK (mandatory)	PSK (mandatory)	PSK (mandatory)

To connect private cloud with public cloud, define the VPN site in private cloud first.

Tip
In Azure you can create a VPN using a dummy address for the local gateway (site 1) and edit it after you create the Azure VPN site Azure may automatically select a compatible encryption type In AWS you must supply the IP address of site 1 and you cannot edit it, so you must create site 1 first and the VPN site in AWS will always be site 2

To create the VPN site for site1:

Go to Virtual datacenters → select a virtual datacenter → Network → VPN
Click the + add button and enter the VPN details

The platform will create the VPN site.

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title	Click here to display details of create a VPN

Button	Action
Name	Name of the VPN
Encryption algorithm	Select the encryption algorithm
Perfect forward secrecy enabled	Select to enable perfect forward secrecy to protect your session keys
DH group	Diffie-Hellman group for the VPN
Authentication	Select for PSK authentication. PSK or Preshared key authentication may be mandatory in some providers
Preshared key	Enter preshared key to use for this session. Click the link beside the text entry box to show or hide the value of the key. For AWS the PSK must be alphanumeric or "." or"_", between 8 and 64 characters, and cannot start with 0.
Local endpoint	NAT IP in the VDC or an automatically generated address in public cloud
Local networks	Select VDC networks. We recommend that you do not use the default private network addresses for both sides of a VPN
Remote endpoint	NAT IP in the remote VDC
Remote networks	Add network addresses using CIDR notation. Click x beside a network to remove it from the VPN configuration

To create the VPN site for site2 in another VDC:

Select the Virtual datacenter
Add another VPN site using the same encryption and authentication settings, and the remote network configuration of the first VPN site as the local values.

After you have created both VPN sites, on the VPNs tab, to check the connection in the network virtualization system, click the Check link in the VPN Status column, or when you edit a VPN site.

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Old Version 26

New Version 27

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