InterVLAN Routing on External Router 8021Q Trunk Link - Switched Networks
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
CISCO Router basic configuration with sub interface - YouTube
Inter VLAN Routing - learncisco.net
Configure Cisco ROAS (Router On A Stick) - Study CCNA