Cisco Catalyst 4500 Series Configuration Manual page 357

Chapter 2
ip device tracking maximum
To enable IP port security binding tracking on a Layer 2 port, use the ip device tracking maximum
command. To disable IP port security on untrusted Layer 2 interfaces, use the no form of this command.
Syntax Description
number
Command Default
This command has no default settings.
Command Modes Interface configuration mode
Command History Release
12.2(37)SG
Examples The following example shows how to enable IP port security with IP-MAC filters on a Layer 2 access
port:
Switch# configure terminal
Enter configuration commands, one per line.
Switch(config)# ip device tracking
Switch(config)# interface fastethernet 4/3
Switch(config-if)# switchport mode access
Switch(config-if)# switchport access vlan 1
Switch(config-if)# ip device tracking maximum 5
Switch(config-if)# switchport port-security
Switch(config-if)# switchport port-security maximum 5
Switch(config-if)# ip verify source tracking port-security
Switch(config-if)# end
You can verify your settings by entering the show ip verify source privileged EXEC command.
Related Commands Command
ip verify source
show ip verify source
ip device tracking maximum {number}
no ip device tracking maximum {number}
Specifies the number of bindings created in the IP device tracking table for a port, valid
values are from 0 to 2048.
Modification
This command was introduced on the Catalyst 4500 series switch.
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
End with CNTL/Z.
Description
Enables IP source guard on untrusted Layer 2 interfaces.
Displays the IP source guard configuration and filters on a
particular interface.
ip device tracking maximum
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