We have had overlapping subnet scenarios where someone is connecting using GlobalProtect Cloud Services from a subnet that overlaps our internal subnet and, as they have a more specific route, access to internal resources is failing as the taffic is being routed via the local router instead of over the VPN due to the more specific route. Due to the size of our internal network, adding more specific routes for all of our subnets isn't really an option and this could be undone anyway with a more specific route.
Does anyone know a way to force all internal traffic down the VPN instead of following more specific routes?
NOTE: GlobalProtect Cloud Service has changed to Prisma Access.
Sure, but the user could just disable GP to print, or use USB, you have a few options but if you deffo need access to both then specific host routes could be an option as you only need to set them once for all users.
luckily we have a strict no split tunnel policy so never been an issue and for a small group of users that must remote print they have a seperate portal config via AD group that allows GP disable.
The PAN's can do this nativly, I should have read more rather than pasting :). Check this out:
Does this more closely resendble the scenario?
I think we have a fix for this issue of overlapping addresses for Mobile Users of Prisma Access. We applied the traditional GlobalProtect approach by updating the split-tunnel settings to include both the internal network which should be routed over the tunnel and the 0.0.0.0/0. By default (with no entries in this box), Prisma Access sends all traffic to the regional gateway. With the overlapping issue, we need the client to ignore the local network routing. The default route is needed in order to send client internet traffic to the regional gateway. Without the default route, internet is offloaded at the local network POP rather than the regional Prisma Access gateway.
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