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Switchport Security
Knowing how to secure switchports
9
Computer Networking
Professional
08/31/2015

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Cards

Term
With the _____ command, you can provide static MAC address security without having to type in absolutely everyone’s MAC address on the network.
Definition
sticky
Term
You can limit the number of MAC addresses on a switchport by using the _____ command.
Definition
maximum
Term
Name three main security violation actions.
Definition
1. protect
2. restrict
3. shutdown
Term
What are the expected results of implementing "violation protect" on a switchport?
Definition
When a violation occurs in this mode, the switchport will permit traffic from known MAC addresses to continue sending traffic while dropping traffic from unknown MAC addresses. When using this mode, no notification message is sent when this violation occurs.
Term
What are the expected results of implementing "violation restrict" on a switchport?
Definition
The switch drops packets when a violation occurs in this mode. The switchport will permit traffic from known MAC addresses to continue sending traffic while dropping traffic from unknown MAC addresses. An SNMP message is also sent indicating that a violation has occurred.
Term
What are the expected results of implementing "violation shutdown" on a switchport?
Definition
The switch the interface into the error-disabled state immediately and sends an SNMP trap notification.
Term
What is the default switchport security, and what actions will the switch take if a security violation is detected?
Definition
The default is "violation shutdown". The port shuts down, and an SNMP trap notification is sent.
Term
What is the command to bring an "err-disabled" port back online?
Definition
(config-if)# no shut
Term
What command is used to display port-security settings for an interface or for a switch?
Definition
#show port-security int <int#>
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