Dynamically learned mac addresses12/18/2023 When the maximum number of secure MAC addresses is reached on a secure port and the source MAC address of the ingress traffic is different from any of the identified secure MAC addresses, port security applies the configured violation mode.If you limit the number of secure MAC addresses to one and assign a single secure MAC address, the device attached to that port has the full bandwidth of the port.Ī security violation occurs in either of these situations: When you assign secure MAC addresses to a secure port, the port does not forward ingress traffic that has source addresses outside the group of defined addresses. You can use port security with dynamically learned and static MAC addresses to restrict a port's ingress traffic by limiting the MAC addresses that are allowed to send traffic into the port. Port Security with Dynamically Learned and Static MAC Addresses Port Security with Sticky MAC Addresses.Port Security with Dynamically Learned and Static MAC Addresses.Port Security Guidelines and Restrictions.Practice Cisco ICND1 v3.Note For complete syntax and usage information for the commands used in this chapter, see the Cisco IOS Software Releases 12.2SX Command References at this URL: Switch(config-if)# switchport port-security mac-address sticky Switch(config-if)# switchport port-security Switch(config-if)# switchport voice vlan 20 Switch(config-if)# switchport mode access Switchport port-security mac-address sticky If they were statically configured using the switchport port-security mac-address command.
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