VDM (VPN device manager) is an embedded device manager. VDM is used to manage and configure site-to-site VPNs on a single device from a web browser, and to view the effects of their changes in real time. This can be launched either using http or https.
Right-click IPSec VPN Service Module, then select Launch VPN Device Manager.
In the Launch VPN Device Manager dialog box select HTTP, then click Launch. The VPN Device Manager opens in a web browser with the URL: http://<ip-address>/go/vdm
In the Launch VPN Device Manager dialog box select HTTPS, then click Launch. The VPN Device Manager opens in a web browser with the URL: https://<ip-address>/go/vdm
The following CLI commands are used if you select the HTTP option:
(config)# xsm
(config)# xsm vdm
(config)# ip http server
The following CLI commands are used if you select the HTTPS option:
(config)# xsm
(config)# xsm vdm
(config)# ip http secure-server