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AR8327-AL1A-R 데이터시트(PDF) 52 Page - List of Unclassifed Manufacturers

부품명 AR8327-AL1A-R
상세설명  Seven-port Gigabit Ethernet Switch
PDF  394 Pages
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제조업체  ETC2 [List of Unclassifed Manufacturers]
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AR8327-AL1A-R 데이터시트(HTML) 52 Page - List of Unclassifed Manufacturers

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52 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch
Atheros Communications, Inc.
52 • June 2011
COMPANY CONFIDENTIAL
2.19.3
Router MAC Address
There are 8 entries in the Router MAC address table. Each entry is 74 bits wide. The detail format is
shown in Table 2-36.
97:96
ACTION
2'b00: Mirror
2'b01: Redirect
2'b10: Copy
2'b11: Forward
95:84
SIP
12bits private SIP.
The private IP is constructed under the control bit
PRIVATE_IP_BASE_SEL
1'b1: these 12 bits are the private IP bit [19:16] and [7:0].
1'b0: these 12 bits are the private IP bit [11:0].
When do SNAT, compare with frame SIP.
When do DNAT, frame DIP should be change to these bits.
83:80
TRANS IP INDEX
Translation IP index in public IP table.
When do DNAT, compare with frame DIP. Use these bits to select IP
address in public IP table.
When do SNAT, frame SIP should be change to IP, use these bits to select
IP address in public IP table.
79:64
TRANS PORT NUM
Translated Port number or Call ID
When do DNAT, compare with frame DP. or CALL ID
When do SNAT, frame SP should be change to these bits.
63:48
SP
When do SNAT, compare with frame SP
When do DNAT, frame DP should be change to these bits
47:32
DP
When do SNAT, compare with frame DP
When do DNAT, compare with frame SP
31:0
DIP
When do SNAT, compare with frame DIP
When do DNAT, compare with frame SIP
Table 2-36.
Router MAC Address Table
Bit
Name
Description
73:72
ROUTER_MAC_ACT
2'b00: invalid
2'b01: ipv4 router
2'b10: ipv6 router
2'b11: ipv4 & ipv6 router
71:60
VID_HIGH
VID range
59:48
VID_LOW
47:0
ROUTER MAC ADDR
Router mac addressNote: DA
Table 2-35.
NAPT Entry Table



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