authentication open
authentication order
authentication periodic
authentication port-control
authentication priority
authentication timer
authentication violation
auto qos classify
auto qos classify police
auto qos srnd4
auto qos trust
auto qos video
auto qos voip
auto qos voip cisco-softphone
auto security
auto security-port
auto-sync
average-packet-size (netflow-lite monitor submode)
C Commands
call-home (global configuration)
call-home request
call-home send
call-home send alert-group
call-home test
channel-group
channel-protocol
cisp enable
class-map
clear counters
clear errdisable interface
clear hw-module slot password
clear interface gigabitethernet
clear interface vlan
clear ip access-template
clear ip arp inspection log
clear ip arp inspection statistics
Catalyst 4500 Series Switch Cisco IOS Command Reference—Cisco IOS XE 3.9.0E and IOS 15.2(5)Ex
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