User's Manual

Table Of Contents
Chapter 4 - Operation and Administration
4.2.6.6.2.8
algorithm to use
ines the actual information rate
on
r
value. When enabled, the graceful degradation algorithm, which is
.
4.2.6.6.2.9
current values of the MIR and CIR parameters.
4.2.6.6.3 Traffic
Each packet that is received from the Ethernet port is placed in either the High or
the Traffic Prioritization parameters. When the MIR/CIR
mechanism decides that a packet must be sent, the High priority queue will be
ueue is not empty, the first element in the
queue is forwarded to the MIR/CIR mechanism. Packets from the Low priority
only if the High queue is empty.
he packets is done using different classifiers:
more than one
classifier is activated, the priority of each packet will be determined by the
The
cla
4.2.6.6.3.1 VL
The
ena
fiel
par field
is low e Low
queue (unless it is assigned a High priority by another classifier).
MIR Only Option (AU only)
When the MIR Only Option is enabled, it forces the MIR/CIR
MIR values only. The MIR/CIR algorithm determ
for each of the supported SUs under changing conditions of demand, based
the configured CIR and MIR values. When the MIR Only Option is enabled, the
MIR/CIR algorithm is overridden and forced to operate with MIR values only. Fo
example, the AU attempts to enable all SUs to transmit/receive information at the
specified MIR
a part of the CIR/MIR algorithm, is also disabled
The default is Enable.
Show MIR/CIR Parameters
Displays the
Prioritization
Low queue, according to
checked first. If the High priority q
queue will be forwarded
The prioritization of t
VLAN Priority
ToS Priority: IP Precedence or DSCP
UDP and/or TCP ports
Each one of these classifiers can be activated/deactivated. If
highest priority given to it by the active classifiers.
Traffic Prioritization menu enables activating/deactivating each of these
ssifiers, and configuring the applicable parameters for each classifier.
AN Priority Threshold
VLAN Priority Threshold is applicable for Trunk and Hybrid Links only. It
bles defining the value of the VLAN Priority Threshold. If the VLAN Priority
d in a tagged frame is higher than the value of the VLAN Priority Threshold
ameter, the packet will be routed to the High queue. If the VLAN Priority
er than or equal to this value, the packet will be transferred to th
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