User guide

ADSL2+ Ethernet USB Combo Router - User Guide
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4.5.18.2
Egress Layer 2 Configuration
The Egress Layer 2 page allows you to map the CoS of an outgoing packet to user priority bits,
which is honoured by the VLAN network. Again, this feature is only configurable on the WAN
interfaces as VLAN is only supported on the WAN side in the current release.
Figure 1-29 : Egress Layer 2
Field Definition/ Description
Interface Select the WAN interface to configure the QoS for outgoing packets,
LAN interface cannot be selected as VLAN is currently supported
on the WAN side only.
Unclassified Packet Some locally generated packets might not have been classified and
thus do not have a CoS value, such as PPP control packet and ARP
packet. You can define the CoS for all unclassified outgoing packets
on layer 2 using this field, which will then pick up the user priority
bits based on the mapping rules you create. 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.
User Priority The selections are 0, 1, 2, 3, 4, 5, 6, 7.