Server Fault Asked on November 4, 2021
I am deploying a solution using IKEv2+ipsec with certificates to connect roadwarriors to corporate network. Mikrotik CHR is used as entry point.
All was swift until I started deploying the solution on Dell notebooks.
Once connection to the router is established, laptop doesn’t get split includes, and only VPN subnet is available. On the contrary, my admin PC, which is stationary workstation, has no such problems.
Windows 10 receiving split includes using DHCP.
After some research I found out that for some reason, Dell-provided Windows 10 Pro 1909 fails to send DHCP request to the router. Laptops get their address, DNS, only split include routes are lost. Also, DHCP works well on Wi-Fi adapter.
What was done:
Rebooting, resetting ip
and winsock
using netsh
, reverting to older wi-fi driver, deleting and re-creating WAN Miniports, enforcing DHCP for a connection, dancing around a laptop – all that didn’t help.
Currently the only solution that works is a clean MSDN version of Windows 10 1909 installation. With this one, laptops get their split includes well. However, it doesn’t seem a sound solution to me.
My questions are:
Problem solved. The reason was misconfiguration of border router.
However, few advices for those, who are messed with likewise problem.
Add-VpnConnectionRoute
PowerShell commandlet to manually add routes to your VPN connection.
It is the method to be used, as route add
will add routes not
depended on VPN connection.Add-VpnConnection
and
Add-VpnConnectionRoute
are great tools to create connections, as
they allow to implement almost any deployment scenario.Answered by Eugene on November 4, 2021
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