A network engineer needs to configure a port on a Cisco switch to support both data and voice traffic for a connected Cisco IP phone with a PC attached to it. The engineer wants to ensure voice and data traffic are properly segregated and that voice traffic can receive appropriate QoS treatment. What is the appropriate way to configure the switch port?
Configure the port as an access port in the voice VLAN.
Configure the port as a trunk port with the native VLAN set to the data VLAN.
Configure the port as an access port, assign it to the data VLAN, and apply the voice VLAN configuration.
Configure the port as a trunk port, allowing both voice and data VLANs.
The appropriate configuration is to set the port as an access port assigned to the data VLAN and to apply the voice VLAN configuration. This setup allows the voice traffic to be tagged with the voice VLAN ID, separating it from data traffic, which remains untagged in the access VLAN. This separation enables different policies, such as Quality of Service (QoS), to prioritize voice traffic.
Configuring the port as a trunk port is not standard practice for end devices like IP phones and can introduce unnecessary complexity and potential security issues. Assigning the port to only the voice VLAN would not support data traffic for the connected PC. Setting the port as a trunk with the native VLAN set to the data VLAN is also inappropriate for this scenario, as it complicates the configuration and is not recommended for access ports connected to end-user devices.
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Cisco CCNA 200-301
Network Access
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