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with an unauthorized MAC address attempts to use the switch port, the
intrusion will be detected and the switch can automatically take action by
disabling the port and sending a trap message.
port security
This command enables or configures port security. Use the no form
without any keywords to disable port security. Use the no form with the
appropriate keyword to restore the default settings for a response to
security violation or for the maximum number of allowed addresses.
Syntax
port security [action {shutdown | trap | trap-and-shutdown}
|
max-mac-count address-count]
no port security [action | max-mac-count]
- action - Response to take when port security is violated.
- shutdown - Disable port only.
- trap - Issue SNMP trap message only.
- trap-and-shutdown - Issue SNMP trap message and disable port.
- max-mac-count
- address-count - The maximum number of MAC addresses that can
be learned on a port. (Range: 0-1024)
Default Setting
• Status: Disabled
• Action: None
• Maximum Addresses: 0
Port Security Commands
Command Function Mod
e
Page
port security Configures a secure port IC 4-108
mac-address-table
static
Maps a static address to a port in a VLAN GC 4-188
show
mac-address-table
Displays entries in the bridge-forwarding
database
PE 4-190
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