Windows VPN route selective traffic by destination network

route print

route -p add {network} mask {subnet mask} {gateway}

route delete {network} mask {subnet mask} {gateway}

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Sample:

route -p add 192.168.0.12 mask 255.255.255.255 10.100.100.254

route delete 192.168.0.12 mask 255.255.255.255 10.100.100.254