I have ... vlan 1, vlan 10, vlan 20. Internet firewall is 10.0.0.1One switch is configured Layer 3 which does the LAN routing for the network it has one static route (ip route 0.0.0.0 0.0.0.0 10.0.0.1). configured with vlan 10 SVI as 10.0.0.254 and...