ZyXEL PLA450 v2 User Guide - Page 92
QoS Based on Traffic Type, Table 26
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Chapter 8 HomePlug AV For example, your ISP (A) may use VLAN priority settings to identify and prioritize VoIP (Voice over IP) traffic or you may have a VoIP device (B) attached to your PLA450 which adds ToS (Type of Service) priorities to data it sends. By giving high priority to VoIP traffic in your powerline network, VoIP traffic flows more smoothly. Figure 49 Prioritized Traffic Between Your Home Powerline Network and the Internet Internet A B The following mappings are suggestions only. VLAN and ToS priority settings may not map exactly to Homeplug AV priority settings. Priority settings for VLAN Tags and ToS bits range from 0 to 7 with 7 as the highest. Table 26 Suggested Mappings VLAN/TOS PRIORITY HOMEPLUG AV SETTINGS PRIORITY SETTINGS 5~7 Highest 4 High 2~3 Mid 0~1 Low 8.4.3 QoS Based on Traffic Type You can prioritize traffic on your powerline network based on four kinds of traffic types. These are IGMP, IGMP managed Multicast Stream, Unicast and Multicast/Broadcast. However, it is recommended that you do not change the default settings. Unicast and Multicast/Broadcast refer to how IP packets are transmitted. Unicast transmission is from one sender to one recipient. Broadcast transmission is from one sender to all devices on a network. Multicast transmission is from one sender to some of the devices on the network. 92 PLA450 User's Guide