PAGP
mode auto/desirable
LACP
mode active/passive
Max number of switches that can be stacked
Nine. Provides 16gbs of communication between switches
DHCP snooping
Ensures no un-trusted ports of a switch can have a rogue DHCP server plugged in
Port-based security standard
802.1x
SPAN rules
1 destination for any one session destination <> part of source can use more than one source per session can use ether-channels as sources can use trunks as sources can use several directions as sources