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AR8327-AL1A-R Datasheet(PDF) 40 Page - List of Unclassifed Manufacturers

No. de pieza AR8327-AL1A-R
Descripción Electrónicos  Seven-port Gigabit Ethernet Switch
PDF  394 Pages
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Fabricante Electrónico  ETC2 [List of Unclassifed Manufacturers]
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AR8327-AL1A-R Datasheet(HTML) 40 Page - List of Unclassifed Manufacturers

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40 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch
Atheros Communications, Inc.
40 • June 2011
COMPANY CONFIDENTIAL
2.10.8
Egress Mode
The AR8327 supports per port egress VLAN mode:
n Tag mode
n Untag mode
n Unmodified
n Untouched
The frame sent out with tagged or untagged will depend on the egress mode setting. Table 2-26 shows
the tagging or untagging frame on different egress mode.
The Egress Mode can be defined by the different operation modes, as shown in Table 2-27.
37:36
ENTRY_MODE
2'b00: invalid entry
2'b01: Forward lookup enable (o -> s,c)
2'b10: Reverse lookup enable (s,c -> o)
2'b11: Forward & reverse lookup both enable.
44:38
PORT_BIT_MAP
Be used to source when frame received, destination port
when frame send out.
45
O_VID_C
1'b1: use cvid
1'b0: use svid
46
S_VID_EN
1'b1: svid enable
47
C_VID_EN
1'b1: cvid enable
48
ONE_TO_ONE_MODE
1: Enanle 1:1 VLAN
0: Disable 1:1 VLAN
Table 2-26.
VLAN Egress Mode — Tagging
EG_VLAN_MODE
Egress
VID = Untagged
Egress
VID = Priority Tagged
Egress
VID = Tagged
Tag
Egress Port Default VID
Egress Port Default VID
Egress VID
Unmodify
Untagged
Priority Untagged
Egress VID
Untag
Untagged
Untagged
Untagged
Untouched
Original Packet’s Encapsulation
Table 2-27.
VLAN Egress Mode Definitions
802.1Q was Disabled on Egress Port
Port-based Egress VLAN Mode
Edge Port
S-Tag Mode
Port-based Egress VLAN Mode
C-Tag Mode
VLAN-based Egress VLAN Mode
Core Port
S-Tag Mode
S-Tag
VLAN-based Egress VLAN Mode
C-Tag
Keep Translation Result
C-Tag Mode
S-Tag
Keep Translation Result
C-Tag
VLAN-based Egress VLAN Mode
Table 2-25.
VLAN Translation Table



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