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VSC7511 Datasheet(PDF) 70 Page - Microsemi Corporation

Part # VSC7511
Description  4-Port Layer-2 Gigabit Ethernet Switch
PDF  324 Pages
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

VSC7511 Datasheet(HTML) 70 Page - Microsemi Corporation

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Functional Descriptions
VMDS-10488 VSC7511 Datasheet Revision 4.2
55
Figure 21 •
Basic DSCP Classification Flow Chart
The translation part of the DSCP classification is common for both QoS, DP, and DSCP classification.
The basic classified QoS, DP, and DSCP can be overwritten by more intelligent decisions made in the
VCAP IS1.
3.7.4
VLAN Classification
The following table lists the registers associated with VLAN classification.
Table 29 •
VLAN Configuration Registers
Register
Description
Replication
QOS = QOS_DEFAULT_VAL[port]
DP = DP_DEFAULT_VAL[port]
DSCP = 0
”Frame is IPv4 or IPv6"
QOS_DSCP_ENA[port]
DSCP_TRANSLATE_ENA[port]
Y
DSCP = Frame.DSCP
Y
DSCP = DSCP_TRANSLATE_VAL[DSCP]
Y
DSCP_TRUST_ENA[DSCP]
QOS = QOS_DSCP_VAL[DSCP]
DP = DP_DSCP_VAL[DSCP]
Y
”Frame has inner tag” and
QOS_PCP_ENA[port] and
VLAN_INNER_TAG_ENA[port]=1
QOS = QOS_PCP_DEI_VAL[port][Frame.InnerDEI][Frame.InnerPCP]
DP = DP_PCP_DEI_VAL[port][Frame.InnerDEI][Frame.InnerPCP]
Y
Basic classified QoS
Basic classified DP
”Frame has outer tag” and
QOS_PCP_ENA[port]
QOS = QOS_PCP_DEI_VAL[port][Frame.OuterDEI][Frame.OuterPCP]
DP = DP_PCP_DEI_VAL[port][Frame.OuterDEI][Frame.OuterPCP]
Y
Y



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