Now for the relay config. Leave the IOU2 router in place and use “no” commands to remove the DHCP pool and the DHCP exclusion commands.
Build a workspace like this:
Then add another router and configure RIP on both routers to share routes (so VPCS and IOU2 can access the remote DHCP server (IOU3)).
On IOU3 configure the dhcp pool.
On IOU2 configure the dhcp relay on the ethernet subinterface.
After running “ip dhcp” on the VPCs you should be able to see the dhcp bindings on IOU3: