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VSC7440 датащи(PDF) 89 Page - Microsemi Corporation |
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VSC7440 датащи(HTML) 89 Page - Microsemi Corporation |
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89 / 444 page ![]() Functional Descriptions VMDS-10492 VSC7440 Datasheet Revision 4.2 72 When programming an entry in VCAP CLM, the associated key fields listed must be programmed in the listed order with the first field in the table starting at bit 0 in the entry. Table 58 • VCAP CLM Key Overview Field Name Short Description Size X2_TYPE X2 type (each entry uses 2 words) 2 x x x X4_TYPE X4 type (each entry uses 4 words) 2 xxxx X8_TYPE X8 type (each entry uses 8 words) 2 xxxx X16_TYPE X16 type (each entry uses 16 words) 1 x x FIRST Set for first lookup 1 x xxx xxxxxxxxx IGR_PORT Ingress port number 6 x x x G_IDX_IS_SERVICE Set if G_IDX is set to ISDX 1 x xx xxxxx G_IDX Generic index 12 x x x xxx xxxxx IGR_PORT_MASK_SEL Mode selector for IGR_PORT_MASK 2 x x x IGR_PORT_MASK Ingress port mask 53 x x x L2_MC Multicast DMAC address 1 x x x L2_BC Broadcast DMAC address 1 x x x TPID0 TPID identifier from first tag 3 x x x x x x x PCP0 PCP from first tag 3 x x x x x DEI0 DEI from first tag 1 x x x x x VID0 VID from first tag 12 xx x xxx x TPID1 TPID identifier from second tag 3 x x x x x x x PCP1 PCP from second tag 3 x x x x x DEI1 DEI from second tag 1 x x x x x VID1 VID from second tag 12 x x x x x x x TPID2 Tag protocol identifier from third tag 3 x x x x x x PCP2 PCP from third tag 3 x x x x x DEI2 DEI from third tag 1 x x x x x VID2 VID from third tag 12 x x x x x x DST_ENTRY Set if destination entry 1 x L2_DMAC Destination MAC address 48 x x x L2_SMAC Source MAC address 48 x x x x ETYPE_MPLS EtherType identifier 2 x ETYPE_FULL EtherType identifier 3 x IP_MC Multicast DIP address 1 x x x ETYPE_LEN ETYPE encoded frame 1 x x x |
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