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VSC7440 데이터시트(PDF) 141 Page - Microsemi Corporation

부품명 VSC7440
상세설명  L2/L3 Enterprise Gigabit Ethernet Switch with 10 Gbps Links
PDF  444 Pages
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제조업체  MICROSEMI [Microsemi Corporation]
홈페이지  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

VSC7440 데이터시트(HTML) 141 Page - Microsemi Corporation

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Functional Descriptions
VMDS-10492 VSC7440 Datasheet Revision 4.2
124
Figure 27 •
Example of QoS Mappings
3.16.4
Analyzer Classifier Diagnostics
The analyzer classifier contains a large set of sticky bits that can inform about the frame processing and
decisions made by ANA_CL. The following categories of sticky bits are available.
•
Frame acceptance filtering (ANA_CL::FILTER_STICKY, ANA_CL::VLAN_FILTER_STICKY).
•
VLAN and QoS classification (ANA_CL::CLASS_STICKY)
•
CPU forwarding (ANA_CL::CAT_STICKY)
•
VCAP CLM lookups and actions, QoS mapping tables (ANA_CL::ADV_CL_STICKY)
•
IP header checks (ANA_CL::IP_HDR_CHK_STICKY)
The sticky bits are common for all ports in the analyzer classifier. All sticky bits, except for VCAP CLM
sticky bits, have four corresponding sticky mask bits (ANA_CL:STICKY_MASK) that allow any sticky bit
to be counted by one of the four per-port analyzer access control counters. For more information, see
Analyzer Statistics, page 198.
3.17
VLAN and MSTP
The VLAN table and the MSTP table are the two main tables that control VLAN and Spanning Tree frame
processing.
Row: 0
Row: 255
Entry: 0
Entry: 7
ANA_CL:MAP_TBL
MAP_IDX
DEI=0
PCP=0
DEI=1
PCP=7
DEI=1
PCP=3
DSCP=0
DSCP=26
DSCP=63
Frame
DMAC
SMAC
VLAN
tag0
VLAN
tag1
VLAN
tag2
Ty
pe
IPv4 header
FCS
8
9
128
135
Mapping 0:
VCAP CLM action MAP_KEY = 0
VCAP CLM action MAP_IDX = 8
Frame.DEI = 1
Frame.PCP = 3)
QOS_VAL = 3
DP_VAL = 1
PCP_VAL = 5
DEI_VAL = 1
DSCP_VAL = 45
Mapping 1:
VCAP CLM action MAP_KEY = 6
VCAP CLM action MAP_IDX = 128
Frame.DSCP = 26
MAP_IDX



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