What is a Cisco protected port?
What is a Cisco protected port?
The protected port is a feature on Cisco Catalyst Switches that you can use to prevent interfaces from communicating with each other.
What is protected port on Cisco switch?
The protected ports feature is a safety measure that prevents ports from forwarding traffic to each other, even if they are on the same VLAN. Each port is designated as either protected or unprotected. By default, all ports are unprotected.
What is private VLAN in networking?
Private VLAN, also known as port isolation, is a technique in computer networking where a VLAN contains switch ports that are restricted such that they can only communicate with a given uplink. Each private VLAN typically contains many private ports, and a single uplink.
What is switch port security and violations?
Switch port security limits the number of valid MAC addresses allowed on a port. If the maximum number of secure MAC addresses has been reached, a security violation occurs when a devices with a different MAC addresses tries to attach to that port.
What is Cisco private VLAN?
A private VLAN partitions the Ethernet broadcast domain of a VLAN into subdomains, allowing you to isolate the ports on the switch from each other. All VLANs in a private VLAN domain share the same primary VLAN. The secondary VLAN ID differentiates one subdomain from another.
What is a protected port?
The protected ports feature is a safety measure that prevents ports from forwarding traffic to each other, even if they are on the same VLAN. Each port is designated as either protected or unprotected. By default, all ports are unprotected.
What is port security switch?
Port Security. When port security is enabled on a switch, any Media Access Control (MAC) address not specified for that port is denied access to the switch, and to any networks to which the switch is connected. Port security can be used to block input to an Ethernet, Fast Ethernet , or Gigabit Ethernet switch port.
What is a Cisco interface?
Cisco Media Services Interface is a program developed by Cisco Systems. The most used version is 4.1.2.8049, with over 98% of all installations currently using this version. It adds a background controller service that is set to automatically run.
