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LGB5128A User Manual
108
Figure 3-10.2: The VLAN Port Configuration
Parameter description:
Ethertype for Custom S-ports :
This field specifies the ether type used for Custom S-ports. This is a global setting for all
the Custom S-ports. Custom Ethertype enables the user to change the Ethertype value on
a port to any value to support network devices that do not use the standard 0x8100
Ethertype field value on 802.1Q-tagged or 802.1p-tagged frames.
Port :
This is the logical port number of this row.
Port Type :
Port can be one of the following types: Unaware, Customer port (C-port), Service port
(S-port), Custom Service port (S-custom-port)
If Port Type is Unaware, all frames are classified to the Port VLAN ID and tags are not
removed.
Ingress Filtering :
Enable ingress filtering on a port by checking the box. This parameter affects VLAN
ingress processing. If ingress filtering is enabled and the ingress port is not a member of
the classified VLAN of the frame, the frame is discarded. By default, ingress filtering is
disabled (no checkmark).
Frame Type :
Determines whether the port accepts all frames or only tagged/untagged frames. This
parameter affects VLAN ingress processing. If the port only accepts tagged frames,
untagged frames received on the port are discarded. By default, the field is set to All.
Port VLAN Mode :
Configures the Port VLAN Mode. The allowed values are None or Specific. This parameter
affects VLAN ingress and egress processing.
If None is selected, a VLAN tag with the classified VLAN ID is inserted in frames
transmitted on the port. This mode is normally used for ports connected to VLAN-aware
switches.