參數(shù)資料
型號: MVTX2604
廠商: Zarlink Semiconductor Inc.
英文描述: Managed 24-Port 10/100 Mb + 2 Port 1 Gb Ethernet Switch
中文描述: 管理24端口的10/100 Mb 2端口千兆以太網交換機1
文件頁數(shù): 90/173頁
文件大小: 2097K
代理商: MVTX2604
MVTX2604
Data Sheet
92
Zarlink Semiconductor Inc.
14.10.4 AVPML – VLAN Tag Priority Map
I
2
C Address h0AD; CPU Address:h503
Accessed by CPU, serial interface and I
2
C (R/W)
Registers AVPML, AVPMM and AVPMH allow the eight VLAN Tag priorities to map into eight Internal level transmit
priorities. Under the Internal transmit priority, seven is the highest priority where as zero is the lowest. This feature
allows the user the flexibility of redefining the VLAN priority field. For example, programming a value of 7 into bit 2:0
of the AVPML register would map packet VLAN priority 0 into Internal transmit priority 7. The new priority is used
inside the 2600. When the packet goes out it carries the original priority.
Bit [6:4]:
Time Base: (Default = 000)
000 = 100 us
001 = 200 us
010 = 400 us
011 = 800 us
100 = 1.6 ms
101 = 3.2 ms
110 = 6.4 ms
111 = 100 us, same as 000.
Bit [7]:
Select VLAN tag or TOS (IP packets) to be preferentially picked to map
transmit priority and drop priority (
Default = 0
).
0 – Select VLAN Tag priority field over TOS
1 – Select TOS over VLAN tag priority field
7
6
5
3
2
0
VP2
VP1
VP0
Bit [2:0]:
Priority when the VLAN tag priority field is 0
(Default 0)
Bit [5:3]:
Priority when the VLAN tag priority field is 1 (
Default 0)
Bit [7:6]:
Priority when the VLAN tag priority field is 2
(Default 0)
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相關代理商/技術參數(shù)
參數(shù)描述
MVTX2604A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MVTX260x Physical Port Control
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MVTX2801A 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Unmanaged 4 port Gigabit Ethernet switch
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