What is Switchport mode dynamic desirable?
switchport mode dynamic desirable: Makes the interface actively attempt to convert the link to a trunk link. The interface becomes a trunk interface if the neighboring interface is set to trunk, desirable, or auto mode.
What is the difference between Switchport mode access and trunk?
The trunk port supports only the tagged frames, whereas the Access port sends and receives untagged frames. The trunk port allows us to switch multiple VLANs, but all frames are in the same VLAN in the Access port.
What is Switchport mode access used for?
Using the “Switchport mode access” command forces the port to be an access port while and any device plugged into this port will only be able to communicate with other devices that are in the same VLAN. Using the “Switchport mode trunk” command forces the port to be trunk port.
What does Switchport Nonegotiate mean?
The switchport nonegotiate command is used to stop the port from sending DTP messages (Dynamic Trunk Port)…. if you have an access port that you dont want ti turn into a trunk ….
What is the difference between dynamic auto and dynamic desirable?
Dynamic Auto — Makes the Ethernet port willing to convert the link to a trunk link. The port becomes a trunk port if the neighboring port is set to trunk or dynamic desirable mode. This is the default mode for some switchports. Dynamic Desirable — Makes the port actively attempt to convert the link to a trunk link.
Can a switch port be both access and trunk?
Each port on a Cisco switch can be configured as either an access or a trunk port. The type of a port specifies how the switch determines the incoming frame’s VLAN. Here is a description of these two port types: access port – a port that can be assigned to a single VLAN.
What is dynamic desirable?
Dynamic Desirable — Makes the port actively attempt to convert the link to a trunk link. The port becomes a trunk port if the neighboring Ethernet port is set to trunk, dynamic desirable or dynamic auto mode.
What are the 4 modes for DTP?
Dynamic Trunking Protocol (DTP)
- Dynamic Trunking Protocol –
- switchport mode access (DTP mode OFF) –
- switchport mode trunk (DTP mode ON) –
- switchport mode dynamic auto –
- switchport mode dynamic desirable –
- switchport nonegotiate –