[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] native VLANs 802.1Q 2nd NBAR (network-based application recognition) IP telephony NetFlow switching (switching architecture) 2nd Network Management module networks campus intranet access layer 2nd AVVID components 2nd core layer 2nd distribution layer 2nd Enterprise Campus 2nd 3rd Enterprise Composite Network Model (ECNM) 2nd 3rd Enterprise Edge module 2nd requirements 2nd Service Provider Edge module three-layer hierarchical model segments designated ports and switches STP tracking TCNs (topology change notifications) NICs (Network Interface Cards) VLANs no ip cef command no ip redirects command no shutdown command no switchport command non-routable traffic MLS handling 2nd |