My challenge is across the VPN and DNS of local device to the core network. The IP addresses are in the 172.16.100.x range. The DNS setting is 192.168.1.1. The routing fails for devices (i.e. network drive) on the 192.168.1.x range. It is like the 192.168.1.1 DNS does not share the details with the VPN devices on a client to Gateway IPSEC tunnel. Not sure if I a missing a routing rule or have an incorrect DNS setting.
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