Create the profile node.

vyatta@HUB# set security vpn ipsec profile DMVPN

Set the authentication mode.

vyatta@HUB# set security vpn ipsec profile DMVPN authentication mode pre-shared-secret

Define the preshared secret key. It must match that set on remote systems.

vyatta@HUB# set security vpn ipsec profile DMVPN authentication pre-shared-secret NET123

Bind the IPsec configuration to the tunnel.

vyatta@HUB# set security vpn ipsec profile DMVPN bind tunnel tun0

Specify the ESP configuration to use.

vyatta@HUB# set security vpn ipsec profile DMVPN esp-group ESP-1H

Specify the IKE configuration to use.

vyatta@HUB# set security vpn ipsec profile DMVPN ike-group IKE-1H

Commit the configuration.

vyatta@HUB# commit

View the configuration for the profile.

vyatta@HUB# show vpn ipsec profile DMVPN

 authentication {
	   mode pre-shared-secret
	   pre-shared-secret NET123
  }
 bind {
	   tunnel tun0
 }
 esp-group ESP-1H
 ike-group IKE-1H