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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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VSC7440 датащи(PDF) 141 Page - Microsemi Corporation |
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VSC7440 датащи(HTML) 141 Page - Microsemi Corporation |
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141 / 444 page  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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