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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) 127 Page - Microsemi Corporation |
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VSC7440 датащи(HTML) 127 Page - Microsemi Corporation |
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127 / 444 page  Functional Descriptions VMDS-10492 VSC7440 Datasheet Revision 4.2 110 Figure 25 • Basic DSCP Classification Flow Chart Note that the DSCP translation part is common for both QoS, DP, and DSCP classification, and the DSCP trust part is common for both QoS and DP classification. The basic classifier has the option to overrule rewriter configuration (REW:PORT:DSCP_MAP) that remaps the DSCP value at egress. When ANA_CL:PORT:QOS_CFG.DSCP_KEEP_ENA is set, the rewriter is instructed not to modify the frame’s DSCP value (IFH.QOS.TRANSP_DSCP is set to 1). The basic classified QoS, DP, and DSCP can be overwritten by more intelligent decisions made in the VCAP CLM. 3.16.1.6 VLAN Classification The following table lists the registers associated with VLAN classification. Table 70 • VLAN Configuration Registers Register Description Replication ANA_CL:PORT:VLAN_CTRL Configures the port’s processing of VLAN information in VLAN-tagged and priority-tagged frames. Configures the port-based VLAN. Per port DSCP = 0 ”Frame is IPv4 or IPv6" DSCP_TRANSLATE_ENA[port] Y DSCP = Frame.DSCP Y DSCP = DSCP_TRANSLATE_VAL[DSCP] Y DSCP_REWR_MODE_SEL[port] == ”Rewrite all” or DSCP_REWR_MODE_SEL[port] == Rewrite DSCP=0" and DSCP == 0 or DSCP_REWR_MODE_SEL[port] == ”Rewrite selected” and DSCP_REWR_ENA[DSCP] DSCP = DSCP_REWR_VAL[8 x Basic classified DP level + Basic classified QOS class] Y Basic classified DSCP (IFH.QOS.DSCP) Basic classified QoS class Basic classified DP level |
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