How do I view a VLAN on a switch?
The show vlans command lists the VLANs currently running in the switch, with VID, VLAN name and VLAN status. Dynamic VLANs appear only if the switch is running with GVRP enabled and one or more ports has dynamically joined an advertised VLAN. In the default configuration, GVRP is disabled.
How do I see Cisco VLANs?
To display VLAN information on a switch, use the show vlan command in privileged EXEC mode. To display the administrative and operational status of a switching (nonrouting) port, use the show interfaces switchport command in user EXEC or privileged EXEC mode.
What does show VLAN brief show?
In interface configuration mode, this command assigns an access port to a VLAN or makes it a dynamic port. show vlan brief. Displays a brief table of the VLANs, including the port membership for each VLAN.
How can I see VLAN trunk?
To display the status of the trunk, determine the native VLAN used on that trunk link and verify trunk establishment using the show interfaces trunk command. The following output shows that the native VLAN on one side of the trunk link was changed to VLAN 2.
How do I see running config on a Cisco switch?
Use the show running-config command to view the running configuration file. Use the show startup-config command to view the startup configuration file. You can configure a switch in the Cisco MDS 9000 Family by using configuration files you create or download from another switch.
How do I display native VLAN?
Use the show interfaces trunk command to check whether the local and peer native VLANs match. If the native VLAN does not match on both sides, VLAN leaking occurs. Use the show interfaces trunk command to check whether a trunk has been established between switches.
How can I see my port channel?
Use the command, show port-channel summary, to verify the number of port-channels already configured. You can have a maximum of 256 port channels on the Cisco Nexus 1000V. Use this procedure to force the physical interface to take on the characteristics of the port channel.
What is DTP on Cisco switch?
The Dynamic Trunking Protocol (DTP) is used to negotiate forming a trunk between two Cisco devices. DTP causes increased traffic, and is enabled by default, but may be disabled.
How do I show all configuration on a Cisco switch?
Type “show run-config” to display the config.
How do I check the ports on a Cisco switch?
You can display summary or detailed information on the switch ports using the show port command. To display summary information on all of the ports on the switch, enter the show port command with no arguments. Specify a particular module number to see information on the ports on that module only.