VLAN Basics
The command to create VLAN 10.
What is vlan 10?
Command to set an interface to access mode.
What is switchport mode access?
Command to set a port to trunk mode.
What is switchport mode trunk?
Show all VLANs and their ports.
What is show vlan brief?
A VLAN is not active.
What is vlan [id in configuration mode]?
The command to name a VLAN "Sales".
What is name Sales?
Command to assign interface fa0/1 to VLAN 10.
What is switchport access vlan 10?
Encapsulation type used for trunks.
What is 802.1Q?
Show status of all trunk links.
What is show interfaces trunk?
Devices in the same VLAN cannot ping.
What is checking for incorrect access port assignment?
The default VLAN on Cisco switches.
What is VLAN 1?
Command to create a new VLAN and assign it in one step.
What is vlan [id] followed by switchport vlan [id]?
Command to define allowed VLANs on a trunk.
What is swtichport trunk allowed vlan [list]?
Show configured VLAN interface (SVI).
What is show ip interface brief?
Trunk is not working.
What is ensuring switchport mode trunk is set on both sides?
Range of normal VLAN IDs.
What is 1 - 1005?
Default VLAN mode for a port.
What is Dynamic Auto/Access?
The purpose of the native VLAN.
What is to carry untagged traffic?
Show specific VLAN configuration.
What is show vlan id [vlan-id]?
Native VLAN mismatch warning.
What is checking switchport trunk native vlan on both sides?
Range of extended VLAN IDs.
What is 1006 - 4094?
Command to remove VLAN 10 from interface fa0/1.
What is no switchport access vlan 10?
Command to change the native VLAN to 99.
What is switchport trunk native vlan 99?
Show MAC address table for a specific VLAN.
What is show mac address-table vlan [vlan-id]?
VTP pruning is removing a needed VLAN.
What is removing the VLAN from the pruned list?