User guide
ADSL2+ Ethernet USB Combo Router - User Guide  
Page 42 of 67 
4.5.18.3 
Egress Layer 3 Configuration 
The Egress Layer 3 page enables you to map CoS to ToS so that the priority marking of outgoing 
packets can be carried over to the IP network. 
Figure 1-30 : Egress Layer 3 
Field  Definition/ Description 
Interface  Select  the  WAN/LAN  interface  here  to  configure  the  QoS  for 
outgoing traffic to the IP network. 
Default Non-IP 
Locally generated packets (such as ARP packets) do not have a CoS 
marking.  You  can  define  the  CoS  for  all  unclassified  outgoing 
packets on layer 3 using this field. The selections are in the order of 
descending  priority):  CoS1,  CoS2, CoS3,  CoS4,  CoS5,  and  CoS6. 
The default value is CoS1 (recommended). 
Class of Service  The selections are (in the order of descending priority): CoS1, CoS2, 
CoS3, CoS4, CoS5, and CoS6. 
Translated ToS  The Type of Service field takes values from 1 to 255. The selections 
are 0, 1, 2, 3, 4, 5, 6, 7. 










