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Section 2
2-8
GigaFast
802.1Q VLAN tag frame format:
Note: IPv6 refer to rcf2460;
!
Flow control auto turn off scheme
The EE2400-SS can automatically turn off 802.3x flow control and Back
pressure flow control for 1~2 seconds whenever the port receives a high
priority frames. The flow control is re-enabled when no priority frames are
received for 1~2 seconds. This auto-turn off function is enabled by
hardware pin EnFCAutoOff or Register 0x0400.
VLAN Configuration
This page is used to configure the VLAN table registers.
4 bytes
6 bytes 6 bytes
DA
SA
802.1Q
Tag
Optional
08-00
Version
IPv4=
0100
IHL
TOS[0:5]
= DS-field
-----
2 bits
6 bits
4 bits
4 bits
2 bytes
4 bytes
6 bytes 6 bytes
DA
SA
802.1Q
Tag
Optional
08-00
Version
IPv6=
0110
TOS[0:5]
= DS-field
-----
2 bits
6 bits
4 bits
2 bytes