User manual
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1. Add Item
Group name can use any valid characteristic in port based VLAN. The same group name means you need to
modify the members of the group. A new group name means the new transmission rule is built. The transmission
item is not more than 32 in port based VLAN. It just changed the inside exchange rule, cannot achieve across
switch
1.
Choice ―VLAN Group‖, like as ―3‖, means VLAN1,
2.
Choice VLAN member, like as choice port 2 and port 3
3.
Choice ―Add/Edit‖
4.
Choice ―Apply‖, then port 2 and port 3 were divided in VLAN3, they are in same VLAN, can transfer
and receive data for each other.
2. Delete Item
Delete the item in the table
5.6.2 Based on IEEE 802.1Q VLAN
MES5000 supports based on 802.1Q VLAN. It deals with messages based on Tag of recognized message
（
including 802.1p priority and VLAN ID, etc.
）
.
Frames with 802.1q add 4 byte Tag based on Ethernet frames, including 2 byte TPID, 3 byte Priority, 1 byte
CFI and 12 byte VLAN ID.
TPID:
a 16-bit field set to a value of 0x8100 in order to identify the frame as an IEEE 802.1Q-tagged frame.
Priority:
It indicates the frame priority level. Values are from 0 (best effort) to 7 (highest); 1 represents the lowest
priority.
CFI:
a 1-bit field. If the value of this field is 1, the MAC address is in non-canonical format. If the value is 0, the
MAC address is in canonical format.
VLAN ID:
a 12-bit field specifying the VLAN to which the frame belongs. The hexadecimal values of 0x000 and
