參數(shù)資料
型號: ZL50418GKC
廠商: Zarlink Semiconductor Inc.
英文描述: Managed 16-Port 10/100 M + 2-Port 1 G Ethernet Switch
中文描述: 管理16端口10/100平方米端口1個G以太網(wǎng)交換機
文件頁數(shù): 27/163頁
文件大?。?/td> 2122K
代理商: ZL50418GKC
ZL50418
Data Sheet
27
Zarlink Semiconductor Inc.
5.6 Priority Classification Rule
Figure 8 on page 27 shows the ZL50418 priority classification rule.
Figure 8 - Priority Classification Rule
5.7 Port and Tag Based VLAN
The ZL50418 supports two models for determining and controlling how a packet gets assigned to a VLAN: port
priority and tag -based VLAN.
5.8 Port-Based VLAN
An administrator can use the PVMAP Registers to configure the ZL50418 for port-based VLAN (see “Registration
Definition” on page 42). For example, ports 1-3 might be assigned to the Marketing VLAN, ports 4-6 to the
Engineering VLAN, and ports 7-9 to the Administrative VLAN. The ZL50418 determines the VLAN membership of
each packet by noting the port on which it arrives. From there, the ZL50418 determines which outgoing port(s)
is/are eligible to transmit each packet, or whether the packet should be discarded. Gigabit port 0 and 1 are denoted
as Port 25 and 26 respectively.
Destination Port Numbers Bit Map
Port Registers
26
2
1
0
Register for Port #0
PVMAP00_0[7:0] to PVMAP00_3[2:0]
0
1
1
0
Register for Port #1
PVMAP01_0[7:0] to PVMAP01_3[2:0]
0
1
0
1
Register for Port #2
PVMAP02_0[7:0] to PVMAP02_3[2:0]
0
0
0
0
Register for Port #26
PVMAP26_0[7:0] to PVMAP26_3[2:0]
0
0
0
0
Table 4 - Port-Based VLAN
Fix Port Priority
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Use TOS
Use Logical Port
Use Default Port Settings
Use VLAN Priority
Use Default Port Settings
TOS Precedence over VLAN
(FCR Register, Bit 7)
VLAN Tag
IP Frame
IP
No
Use Logical Port
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