Solved: static nat on subinterfaces - Cisco Community
router - Physical Interface VS Multipoint Subinterface in Cisco Frame Relay - Server Fault
Solved: How to configure routing like this using subinterface - Cisco Community
Solved: Subinterfaces and VLANS - Cisco Community
Inter VLAN Routing - learncisco.net
Example for Configuring Sub-interfaces to Implement Inter-VLAN Communication - AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S CLI-based Typical Configuration Examples - Huawei