The followin
g entries are displayed on this screen:
" :2403R"Rtkqtkv{"Eqphki"
:2403R"Rtkqtkv{<"
Enable/Disable 802.1P Priority.
" Rtkqtkv{"cpf"EqU/ocrrkpi"Eqphki"
Vci/kf1Equ/kf<"
Indicates the precedence level defined by IEEE802.1P and the
CoS ID.
Swgwg"VE/kf<"
Indicates the priority level of egress queue the packets with tag
and CoS-id are mapped to. The priority levels of egress queue are
labeled as TC0, TC1, TC2 and TC3. By default, the mapping
relation between tag/cos and the egress queue is: 0-TC1,
1-TC0, 2-TC0, 3-TC1, 4-TC2, 5-TC2, 6-TC3, 7-TC3.
Pqvg<"
To complete QoS function configuration, you have to go to the Uejgfwng"Oqfg"page to select a
schedule mode after the configuration is finished on this page.
Eqphkiwtcvkqp"Rtqegfwtg<"
Uvgr" Qrgtcvkqp" Fguetkrvkqp"
1 Configure the mapping
relation between the 802.1P
priority Tag/CoS and the TC
Required. On SqU→FkhhUgtx→:2403R1EqU"ocrrkpi"
page, configure the mapping relation between the
802.1P priority Tag/CoS and the TC.
2 Select a schedule mode Required. On SqU→FkhhUgtx→Uejgfwng" Oqfg"
page,, select a schedule mode.
330306" Uejgfwng"Oqfg"
On this page you can select a schedule mode for the switch. When the network is congested, the
problem that many packets compete for resources must be solved, usually in the way of queue
scheduling. The switch will control the forwarding sequence of the packets according to the priority
queues and scheduling algorithms you set. On this switch, the priority levels are labeled as TC0,
TC1…TC3.
Choose the menu SqU→FkhhUgtx→Uejgfwng"Oqfg to load the following page.
Figure 11-9 Schedule Mode
The following entries are displayed on this screen:
" Uejgfwng"Oqfg"Eqphki"
UR/Oqfg<"
Strict-Priority Mode. In this mode, the queue with higher priority
will occupy the whole bandwidth. Packets in the queue with lower
priority are sent only when the queue with higher priority is empty.
171
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