H3C Technologies H3C S7500E Series Switches - Manual (Page 83)

5-4
VLAN
operation
mode
Direction
With or without
VLAN tag
Packet processing
Tagged
If the VLAN ID in the frame’s VLAN tag
matches a VLAN translation entry configured
on the UNI port, the UNI port replaces this
VLAN ID with the corresponding VLAN ID in
the matched VLAN translation entry and then
forwards the frame.
If the VLAN ID in the frame’s VLAN tag does
not match any VLAN translation entry, the UNI
port drops the frame.
Uplink
Untagged
The UNI port tags the frame with its PVID tag and
then forwards it.
Tagged
If the VLAN ID in the frame’s VLAN tag
matches a VLAN translation entry configured
on the UNI port, the UNI port replaces this
VLAN ID with the corresponding VLAN ID in
the matched VLAN translation entry and then
forwards the frame.
If the VLAN ID in the frame’s VLAN tag is the
UNI port’s PVID, the UNI port removes the
frame’s VLAN tag and then forwards the
frame.
If the VLAN ID in the frame’s VLAN tag does
not match any VLAN translation entry, the UNI
port drops the frame.
VLAN
translation
mode
Downlink
Untagged The UNI port drops the frame.
Follow these steps to configure the VLAN operation mode for a UNI:
To do... Use the command... Remarks
Enter system view system-view —
Enter ONU port view interface onu interface-number —
Transparent
mode
uni uni-number vlan-mode transparent
Tag mode
uni uni-number vlan-mode tag vlanid [ priority
priority-value ]
Configure
the VLAN
operation
mode of a
UNI port Translation
mode
uni uni-number vlan-mode translation pvid pvid [ priority
priority ] { oldvid to newvid } &<1-15>
Optional
The default
mode is
transparent
.