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Best Effort (BE). AF defines the four classes of delivery (or forwarding) classes and three
levels of drop precedence in each class.
Vigor routers as edge routers of DS domain shall check the marked DSCP value in the IP
header of bypassing traffic, thus to allocate certain amount of resource execute appropriate
policing, classification or scheduling. The core routers in the backbone will do the same
checking before executing treatments in order to ensure service-level consistency throughout
the whole QoS-enabled network.
However, each node may take different attitude toward packets with high priority marking
since it may bind with the business deal of SLA among different DS domain owners. It's not
easy to achieve deterministic and consistent high-priority QoS traffic throughout the whole
network with merely Vigor router's effort.
In the Bandwidth Management menu, click Quality of Service to open the web page.
Enable the QoS Control
Direction
Index
Class Name
Reserved Bandwidth Ratio It is reserved for the group index in the form of ratio of
70
The factory default for this setting is checked.
Define which traffic the QoS Control settings apply to.
IN- apply to incoming traffic only.
OUT-apply to outgoing traffic only.
BOTH- apply to both incoming and outgoing traffic.
The group index number of QoS Control settings. There are
total 4 groups.
Define the name for the group index.
reserved bandwidth to upstream speed and reserved
bandwidth to downstream speed.
Vigor3100 Series User's Guide
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