Cisco ASA: Add New Subnet in an Existing Site-to-Site VPN using ASDM

Edit the Existing VPN Configuration

The existing connection profile cannot be edited for the new peer information because it is bound to a specific peer. In order to edit the existing configuration, you need to perform these steps:

  1. Create a New Tunnel Group
  2. Edit the Existing Crypto Map

Create a New Tunnel Group

Go to Configuration > Site-to-Site VPN > Advanced > Tunnel groups and click Add to create a new tunnel-group that contains the new VPN peer information. Specify the Name and Pre-shared Key fields, then click OK.

Note: Make sure the Pre-shared Key matches the other end of the VPN.

 

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