User`s guide

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3.6 QoS settings
SS0224 can support port-based QoS, 802.1p compliant QoS frame. Basically,
SS0224 will classify the traffic with two levels of priority, i.e. "high" or "low"
priority. High priority packet streams experience less delay inside the switch,
which supports certain delay-sensitive traffic, such as real-time video or VoIP
streams.
In this feature, user can perform the following features:
•
E/D
: enable / disable port base qos setting. Set Enable will open all QOS
Functions. It means the device will have such ability to receiving
802.1p frames and accept the Configure under below setting.
•
W
: Setting the high/low priority queue weighting.
•
T
: Setting TCI THRESHOLD of 802.1p frame. If 802.1p frame pri[2:0] >=
TCI THRESHOLD. Then it will be qualified as high priority frame.
•
P
: Port Based setting. Set high or low priority to decided ports. Default
setting for each port's ingress traffic will be classfied as "low" priority.
While ingress traffic from the "high" priority ports will be set as with
high priority.
User can set QoS related functions according the following steps:
1. Set High/Low queue weight.
User can set different queue weight for "high" and "low" priority traffic.
For example: set high queue to "0x0A" and low queue to "0x01". It means
the system will transmit 10 packets in high queue then transmit 1 packet in
low queue. Under QoS submenu, press [W] to enter; then press [H] to
set high queue: