I have 30 workstation and 30 IP Phones all under one single network 192.168.9.0. The network switches is unmanaged switch but supports IEEE 802.1p QoS (e.g.: DLink
DGS 1008D and
I learned that it is better to split the data and voice network to avoid lagging of voice traffic by using VLAN and managed switch.
However, if the network switch support QoS, do I still need to configure VLAN to split the traffic?