What is a Switchport interface?
Switch ports are Layer 2-only interfaces associated with a physical port. A switch port can be an access port, a trunk port, or a tunnel port. Switch ports are used for managing the physical interface and associated Layer 2 protocols and do not handle routing or bridging.
What is show interface status?
The show ip interface command provides tons of useful information about the configuration and status of the IP protocol and its services, on all interfaces. The show ip interface brief command provides a quick status of the interfaces on the router, including their IP address, Layer 2 status, and Layer 3 status.
Why did the show interface FastEthernet 0 0 say that the interface is up?
FastEthernet/0 is up, line protocol is up: this means that the interface is physically up and that the protocol is operational. When you use Ethernet, the protocol is normally up unless you configured port-security or BPDU guard.
What is Switchport command?
switchport. You only use the switchport command on switches—not routers. It can put a port into trunk mode, into a certain VLAN, or even to set port security. Its most common use is to configure an interface to connect to an access device (e.g., workstation, server, printer, etc.).
What is the switch0 interface?
The switch0 interface will be associated with multiple VLAN interfaces (VIFs) to allow the devices to communicate between VLANs. Afterwards, firewall policies can be applied to the VIFs to limit this traffic.
What is switchport mode trunk?
Switchport trunk means when you have a trunk link, all VLANs are allowed to pass through a trunk link. To configure a trunk on a switch FastEthernet port, use the switchport mode trunk command. This command puts the interface into permanent trunking mode and negotiates to convert the neighboring switch or links into trunk links.
What is interface command?
A command-line interface is a means of interacting with a computer program where the user issues commands to the program in the form of successive lines of text.