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⑪
-1 Operation of Tagged VLAN
A
. Processing of Ethernet frame received to subscriber port (port 1 ~ 24)
•
With IEEE802.1q tag (1~4095): The frame is delivered only to the group
port assigned with the tag value and its output port depends on MAC
address. The
“
Force Untag Out
”
status in the output port configuration
determines whether to keep the tag field or delete it before the output.
•
Either with zero tag value or without a tag field: After being attached with
the tag value for the port, the frame is output to other port in the group.
The
“
Force Untag Out
”
status in the output port configuration
determines whether to keep the tag value or delete it before the output.
B
. Processing Ethernet frame received by uplink (No. 26, 27) or CPU (No. 25)
ports
•
With IEEE802.1q tag (1~4095): The frame is delivered only to the group
port assigned with the tag value and its output port depends on MAC
address. The
“
Force Untag Out
”
status in the output port configuration
determines whether to keep the tag value or delete it before the output.
•
With with zero tag value or without a tag: The frame can be delivered to
all ports regardless of VLAN group and its output port depends on MAC
address. The
“
Force Untag Out
”
status in the output port configuration
determines whether to keep the tag value (4095) or delete it before the
output.
