VSC7440 datasheet(267/444 Pages) MICROSEMI

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Functional Descriptions

VMDS-10492 VSC7440 Datasheet Revision 4.2

250

TAG_B_TPID_SEL

Selects TPID for ES0 tag B.

0: 0x8100.

1:0x88A8.

2: Custom 1.

3: Custom 2.

4: Custom 3.

5: See TAG_A_TPID_SEL.

TAG_B_VID_SEL

Selects VID for ES0 tag B.

0: Classified VID + VID_B_VAL.

1: VID_B_VAL.

TAG_B_PCP_SEL

Selects PCP source for ES0 tag B.

0: Classified PCP.

1: PCP_B_VAL.

2: Reserved.

3: PCP of popped VLAN tag if available (IFH.VSTAX.TAG.WAS_TAGGED=1 and

num_popped_tags>0) else PCP_B_VAL.

4: Mapped using mapping table 0, otherwise use PCP_B_VAL.

5: Mapped using mapping table 1, otherwise use mapping table 0.

6: Mapped using mapping table 2, otherwise use PCP_B_VAL.

7: Mapped using mapping table 3, otherwise use mapping table 2.

TAG_B_DEI_SEL

Selects DEI source for ES0 tag B.

0: Classified DEI.

1: DEI_B_VAL.

2: REW::DP_MAP.DP [IFH.VSTAX.QOS.DP].

3: DEI of popped VLAN tag if available (IFH.VSTAX.TAG.WAS_TAGGED = 1 and

num_popped_tags>0) else DEI_B_VAL.

4: Mapped using mapping table 0, otherwise use DEI_B_VAL.

5: Mapped using mapping table 1, otherwise use mapping table 0.

6: Mapped using mapping table 2, otherwise use DEI_B_VAL.

7: Mapped using mapping table 3, otherwise use mapping table 2.

TAG_C_TPID_SEL

Selects TPID for ES0 tag C.

0: 0x8100.

1:0x88A8.

2: Custom 1.

3: Custom 2.

4: Custom 3.

5: See TAG_A_TPID_SEL.

TAG_C_PCP_SEL

Selects PCP source for ES0 tag C.

0: Classified PCP.

1: PCP_C_VAL.

2: Reserved.

3: PCP of popped VLAN tag if available (IFH.VSTAX.TAG.WAS_TAGGED=1 and

num_popped_tags>0) else PCP_C_VAL.

4: Mapped using mapping table 0, otherwise use PCP_C_VAL.

5: Mapped using mapping table 1, otherwise use mapping table 0.

6: Mapped using mapping table 2, otherwise use PCP_C_VAL.

7: Mapped using mapping table 3, otherwise use mapping table 2.

Table 172 •

VCAP_ES0 Actions (continued)

Field Name

Description

Width

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