ICND2 Chapter 03 Flashcards
Switch interface status: Admin down/down
disabled
Switch interface status: down/down
notconnect
Switch interface status: up/down
notconnect; not expected
Switch interface status: down/down (err-disabled)
err-disabled; Port security
Switch interface status: up/up
connected; interface working
Devices that Transmit on 1;2 and Receive on 3;6
PC NICS; Routers; AP; Network Printers
Devices that Transmit on 3;6 and Receive on 1;2
Hubs; Switches
Port Security Violation Mode shutdown: Discards Offending Traffic
Yes
Port Security Violation Mode shutdown: Discards All Traffic After Violation Occurs
Yes
Port Security Violation Mode shutdown: Violation Results in err-disabled Interface State
Yes
Port Security Violation Mode shutdown: Counters Increment for Each New Violation
Yes
Port Security Violation Mode restrict: Discards Offending Traffic
Yes
Port Security Violation Mode restrict: Discards All Traffic After Violation Occurs
No
Port Security Violation Mode restrict: Violation Results in err-disabled Interface State
No
Port Security Violation Mode restrict: Counters Increment for Each New Violation
Yes
Port Security Violation Mode protect: Discards Offending Traffic
Yes
Port Security Violation Mode protect: Discards All Traffic After Violation Occurs
No
Port Security Violation Mode protect: Violation Results in err-disabled Interface State
No
Port Security Violation Mode protect: Counters Increment for Each New Violation
No
Lists each VLAN and all interfaces assigned to that VLAN but does not include trunks
show vlan brief; show vlan
Lists both access and trunk ports in the VLAN
show vlan id num
Identifies the interface’s access VLAN; voice VLAN; plus the configured and operational mode (access or trunk)
show interfaces type number switchport
Lists MAC table entries: MAC addresses with associated interfaces and VLANs
show mac address-table dynamic
