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VSC7511 Datasheet(PDF) 150 Page - Microsemi Corporation |
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VSC7511 Datasheet(HTML) 150 Page - Microsemi Corporation |
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150 / 324 page  Functional Descriptions VMDS-10488 VSC7511 Datasheet Revision 4.2 135 The following table lists all combinations of port tagging configuration and ES0 actions that control the number of tags to push and which tag source to use (port, ES0 tag A, or ES0 tag B): 3.13.1.4 Constructing VLAN Tags When pushing a VLAN tag, the contents of the tag header, including the TPID, are highly programmable. The starting point is the classified tag header coming from the analyzer containing the PCP, DEI, VID and Table 106 • Tagging Combinations ES0_ACTION TAG_CFG Tagging action No ES0 hit Controls port tag Port tag is pushed according to TAG_CFG as outer tag. Available options are: Tag all frames with port tag. Tag all frames with port tag, except if classified VID=0 or classified VID=PORT_VLAN.PORT_VID. Tag all frames with port tag, except if classified VID=0 No port tag No inner tag. PUSH_OUTER_TAG=0 PUSH_INNER_TAG=0 Controls port tag Port tag is pushed according to TAG_CFG as outer tag. Available options are: Tag all frames with port tag. Tag all frames with port tag, except if classified VID=0 or classified VID=PORT_VLAN.PORT_VID. Tag all frames with port tag, except if classified VID=0 No port tag No inner tag. PUSH_OUTER_TAG=1 PUSH_INNER_TAG=0 Don’t care ES0 tag A is pushed as outer tag. No inner tag. PUSH_OUTER_TAG=2 PUSH_INNER_TAG=0 Don’t care Port tag is pushed as outer tag. This overrules port settings in TAG_CFG. No inner tag. PUSH_OUTER_TAG=3 PUSH_INNER_TAG=0 Don’t care No tags are pushed. This overrules port settings in TAG_CFG. PUSH_OUTER_TAG=0 PUSH_INNER_TAG=1 Controls port tag Port tag is pushed according to TAG_CFG as outer tag. The following options are available: Tag all frames with port tag. Tag all frames with port tag, except if classified VID=0 or classified VID=PORT_VLAN.PORT_VID. Tag all frames with port tag, except if classified VID=0 No port tag ES0 tag B is pushed as inner tag. ES0 tag B is effectively the outer tag if the port tag is not pushed. PUSH_OUTER_TAG=1 PUSH_INNER_TAG=1 Don’t care ES0 tag A is pushed as outer tag. ES0 tag B is pushed as inner tag. PUSH_OUTER_TAG=2 PUSH_INNER_TAG=1 Don’t care Port tag is pushed as outer tag. This overrules port settings in TAG_CFG. ES0 tag B is pushed as inner tag. PUSH_OUTER_TAG=3 PUSH_INNER_TAG=1 Don’t care No outer tag is pushed. This overrules port settings in TAG_CFG. ES0 tag B is pushed as inner tag. ES0 tag B is effectively the outer tag, because no outer tag is pushed. |
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