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Configuring Port Security This chapter describes how to configure the port security feature. Note For complete syntax and usage information for the commands used in this chapter, see the Cisco IOS Master Command List, at this URL: http://www.cisco.com/en/US/docs/ios/mcl/allreleasemcl/all_book.html
You can use the port security feature to restrict input to an interface by limiting and identifying MAC addresses of the stations allowed to access the port. When you assign secure MAC addresses to a secure port, the port does not forward packets with source addresses outside the group of defined addresses.
This is how we can do it: Switch(config)# interface fa0/1 . Switch(config-if)# switchport port-security maximum 1. Use the switchport port-security command to enable port security. I have configured port security, so only one MAC address is allowed.
17 Αυγ 2023 · Solution. Best practice to avoid such attack that must implement port-security on switchports, restricting devices that can use the port only authorized MAC addresses in end point of LAN-switch. Below here describes how to implement (configure) switchport security in layer2 Catalyst 2960 switch. Remarks,
To enable sticky port security, enter the switchport port-security mac-address sticky command. When you enter this command, the interface converts all the dynamic secure MAC addresses, including those that were dynamically learned before sticky learning was enabled, to sticky secure MAC addresses.
11 Ιουλ 2023 · 2) Then you need to enable port security by using the "switchport port-security" command. This can also be applied in a range of the interfaces on a switch or individual interfaces. 3) This step is optional, but you can specify how many MAC addresses the switch can have on one interface at a time.
A step-by-step guide on how to configure restrictions on the number and quality of allowed MAC addresses on each port using Port Security.
