[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] failovers HSRP and 2nd 3rd Fast Ethernet campus intranets physical implementation 2nd FIFO traffic queuing IP telephony 2nd filtering frames 2nd flags (BDPU frame field) flat networks forward delay (BDPU frame field) Forward Delay timer forwarding frames 2nd forwarding state (switch ports) frame tagging VLANs 2nd 3rd 4th 5th frames BDPU fields forwarding and filtering 2nd VLAN tagging information adding 2nd |