Contents 5Switching Features . . . . . . . . . . . . . . . . . . . 66Flow Control Support (IEEE 802.3x) . . . . . . . . . 66Head of Line Blocking Prevention . . . . . . . . . 66Alternate Store and Forward (ASF). . . . . . . . . 66Jumbo Frames Support . . . . . . . . . . . . . . . 66Auto-MDI/MDIX Support . . . . . . . . . . . . . . 66VLAN-Aware MAC-based Switching. . . . . . . . 67Back Pressure Support . . . . . . . . . . . . . . . 67Auto Negotiation . . . . . . . . . . . . . . . . . . 67Broadcast Storm Control . . . . . . . . . . . . . . 67Port Mirroring. . . . . . . . . . . . . . . . . . . . 68Static and Dynamic MAC Address Tables . . . . . 68Link Layer Discovery Protocol (LLDP) . . . . . . . 68Link Layer Discovery Protocol (LLDP) forMedia Endpoint Devices . . . . . . . . . . . . . . 68Connectivity Fault Management(IEEE 802.1ag) . . . . . . . . . . . . . . . . . . . . 69Cisco Protocol Filtering . . . . . . . . . . . . . . . 69DHCP Layer 2 Relay. . . . . . . . . . . . . . . . . 69Virtual Local Area Network Supported Features . . . . 70VLAN Support. . . . . . . . . . . . . . . . . . . . 70Port-Based VLANs . . . . . . . . . . . . . . . . . 70IP Subnet-based VLAN . . . . . . . . . . . . . . . 70MAC-based VLAN . . . . . . . . . . . . . . . . . 70IEEE 802.1v Protocol-Based VLANs . . . . . . . . 70GARP and GVRP Support . . . . . . . . . . . . . . 71Voice VLAN . . . . . . . . . . . . . . . . . . . . . 71Guest VLAN . . . . . . . . . . . . . . . . . . . . . 71Double VLANs . . . . . . . . . . . . . . . . . . . 71Spanning Tree Protocol Features . . . . . . . . . . . . 72Spanning Tree Protocol (STP) . . . . . . . . . . . 72Spanning Tree Port Settings . . . . . . . . . . . . 72
