Shiro ADSL 2/2+ Ethernet Modem - Manual (Page 61)

User Manual
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Layer 3
The Layer 3 page allows you to map ToS bits of incoming packets from the IP network to CoS for each
WAN/LAN interface.
Layer 3
Field Description
Interface For both WAN and LAN interfaces, you can configure QoS for layer 3 (IP) data traffic.
Class of Service This CoS field allows you to map incoming layer 3 WAN/LAN packets to one of the following CoS
(in the order of descending priority): CoS1, CoS2, CoS3, CoS4, CoS5, and CoS6.
ToS The Type of Service field takes values from 0 to 255.
Default Non-IP A static CoS can be assigned to all layer 3 incoming packets (per interface) that do not have an IP
header, such as PPP control packets and ARP packets. The default is CoS1 (recommended).
To access Ingress Layer 3:
From the Advanced Menu, select QoS > Ingress.