... (SSH), RADIUS, TACACS+ FeaturesLayer 2 switching, auto-sensing per device, dynamic IP address assignment , power over Ethernet (PoE), auto-negotiation, BOOTP ... (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, DHCP snooping, Dynamic Trunking Protocol (DTP) support, Port Aggregation Protocol (PAgP) support, Access ...