If no communication occurs between the VPN's nodes for several minutes, the idle Child SA is deleted by the Windows 7/8/10 client. A new Child SA is dynamically created again by Windows 7/8/10 client or Rockhopper gateway/server when the next communication to be encrypted occurs.

Default gateway set to 0.0.0.0. - Microsoft Community Oct 31, 2017 Issue with VPN's default gateway and netmask Apr 25, 2012 VPN gateway 0.0.0.0 Solutions | Experts Exchange

Windows 7 Fix 0.0.0.0 Default Gateway Issue

No default Gateway with Windows 10 VPN Client No default Gateway with Windows 10 VPN Client. This topic has been deleted. that's what you should have as long as that box is checked on the clients and you are setting a local network of 0.0.0.0/0 in the IPsec settings. Rules on the IPsec tab govern what the clients can and can't access. MX100 VPN Client no gateway assigned - The Meraki Community Dec 14, 2017

Jul 23, 2015

MX100 VPN Client no gateway assigned - The Meraki Community