A network engineer needs to configure a switch port that connects to an IP phone with a PC connected behind it. The engineer wants the voice traffic from the IP phone to be placed on VLAN 20 and the data traffic from the PC on VLAN 10. Which configuration will correctly set up the switch port without setting the port to trunk mode?
Configure the port with 'switchport mode access' and 'switchport access vlan 20' commands.
Configure the port with 'switchport mode access', 'switchport access vlan 10', and 'switchport voice vlan 10' commands.
Configure the port with 'switchport mode trunk' and 'switchport trunk allowed vlan 10,20' commands.
Configure the port with 'switchport mode access', 'switchport access vlan 10', and 'switchport voice vlan 20' commands.
To correctly configure the switch port for both data and voice traffic, the port should be set to access mode for the data VLAN and have the voice VLAN specified for voice traffic. The commands:
switchport mode access
switchport access vlan 10
switchport voice vlan 20
set the port to access mode on VLAN 10 for data traffic and assign VLAN 20 as the voice VLAN for the IP phone. Other configurations, such as setting the port to trunk mode or misassigning VLANs, will not achieve the desired separation of voice and data traffic.
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Why is 'switchport mode trunk' not suitable for this configuration?
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What is the purpose of the 'switchport voice vlan' command?
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How does VLAN tagging work with voice and data traffic on the same port?
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Cisco CCNA 200-301
Network Access
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