Unable to ping from 1 to 0

XTM 330 factory wiped. External interface 0 configured with public IP while internal interface 1 left at default IP
Laptop attached to the external interface with IP in the same public subnet.
I can ping from the laptop to the IP of the external interface 0. I can ping from within the firewall to the IP assigned to "external" laptop. However, pings from internal LAN cannot reach the external laptop IP. I see no Deny packets in Traffic Monitor while I do see the Allow packets when ping succeeds (logging turned on for troubleshooting).


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