Users Guide

394 | Virtual Private Networks Dell PowerConnect W-Series ArubaOS 6.1 | User Guide
3. Click Done to apply the configuration.
Enable Source NAT
In the Source NAT section of the IPSEC tab, select Enable Source NAT if the IP addresses of clients need to be
translated to access the network. If you enabled source NAT, click the NAT pool drop-down list and select an
existing NAT pool. If you have not yet created the NAT pool you want to use:
1. Navigate to Configuration > IP > NAT Pools.
2. Click Add.
3. In the Pool Name field, enter a name for the new NAT pool, up to 63 alphanumeric characters.
4. In the Start IP address field, enter the dotted-decimal IP address that defines the beginning of the range of
source NAT addresses in the pool.
5. In the End IP address field, enter the dotted-decimal IP address that defines the end of the range of source
NAT addresses in the pool.
6. In the Destination NAT IP Address field, enter the destination NAT IP address in dotted-decimal format. If
you do not enter an address into this field, the NAT pool uses the destination NAT IP 0.0.0.0.
7. Click Done to close the NAT pools tab
8. Navigate to Configuration > Advanced Services > VPN Services and click the IPsec tab to return to the
IPsec window.
9. Click the NAT Pool drop-down list and select the NAT pool you just created.
Select Certificates
If you are configuring a VPN to support machine authentication using certificates, define the IKE Server
certificates for VPN clients using IKE. Note that these certificate must be imported into the controller, as
described in Chapter 32, “Management Access” on page571.
1. Select the server certificate for client machines using IKE by clicking the IKE Server Certificate drop-down
list and selecting an available certificate name.
2. If you are configuring a VPN to support clients using certificates, you must also assign one or more trusted CA
certificates to VPN clients.
a. Under CA Certificate Assigned for VPN-clients, click Add.
b. Select a CA certificate from the drop-down list of CA certificates imported in the controller.
c. Click Done.
d. Repeat the above steps to add additional CA certificates.
Define IKEv1 Shared Keys
If you are configuring a VPN to support IKEv1 and clients using pre-shared keys, You can configure a global IKE
key or configure an IKE key for each subnet. Make sure that this key matches the key on the client.
1. In the IKE Shared Secrets section of the IPSEC tab, click Add to open the Add IKE Secret page.
2. Enter the subnet and subnet mask. To make the IKE key global, specify 0.0.0.0 for both values.
3. Enter the IKE Shared Secret and Verify IKE Shared Secret.
4. Click Done to apply the configurations.