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Ethernet Subsystem Registers
14.5.1.4 UNKNOWN_VLAN Register (offset = 18h) [reset = 0h]
UNKNOWN_VLAN is shown in Figure 14-18 and described in Table 14-28.
ADDRESS LOOKUP ENGINE UNKNOWN VLAN REGISTER
Figure 14-18. UNKNOWN_VLAN Register
31 30 29 28 27 26 25 24
Reserved UNKNOWN_FORCE_UNTAGGED_EGRESS
R/W-0
23 22 21 20 19 18 17 16
Reserved UNKNOWN_REG_MCAST_FLOOD_MASK
R/W-0
15 14 13 12 11 10 9 8
Reserved UNKNOWN_MCAST_FLOOD_MASK
R/W-0
7 6 5 4 3 2 1 0
Reserved UNKNOWN_VLAN_MEMBER_LIST
R/W-0
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 14-28. UNKNOWN_VLAN Register Field Descriptions
Bit Field Type Reset Description
29-24 UNKNOWN_FORCE_UN R/W-0 0
Unknown VLAN Force Untagged Egress.
TAGGED_EGRESS
21-16 UNKNOWN_REG_MCAS R/W-0 0
Unknown VLAN Registered Multicast Flood Mask
T_FLOOD_MASK
13-8 UNKNOWN_MCAST_FLO R/W-0 0
Unknown VLAN Multicast Flood Mask
OD_MASK
5-0 UNKNOWN_VLAN_MEM R/W-0 0
Unknown VLAN Member List
BER_LIST
1245
SPRUH73H–October 2011–Revised April 2013 Ethernet Subsystem
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