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LANCOM GS-2124
Chapter 4: Operation of Web- based Management
4.5.5
Port Isolation
If you need to use PVLAN ( Private VLAN) function on Switch you need to do
the following:
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Ingress Filtering:
Discard other VLAN group packets, only forward this port joined VLAN
group packets
Frame Type:
All: Forward all tagged and untagged packets
Tagged: Forward tagged packets only and discard untagged packets
PVID:
This PVID range will be 1-4094. Before you set a number x as PVID,
you have to create a Tag-based VLAN with VID x. For example, if port
x receives an untagged packet, the switch will apply the PVID (assume
as VID y) of port x to tag this packet, the packet then will be forwarded
as the tagged packet with VID y.
Role:
This is an egress rule of the port. Here you can choose Access, Trunk
or Hybrid. Trunk means the outgoing packets must carry VLAN tag
header. Access means the outgoing packets carry no VLAN tag hea-
der. If packets have double VLAN tags, one will be dropped and the
other will still be left. As to Hybrid, it is similar to Trunk, and both of
them will tag-out. When the port is set to Hybrid, its packets will be
untagged out if the VID of the outgoing packets with tag is the same
as the one in the field of Untag VID of this port.
Untag VID:
Valid range is 1~4094. It works only when Role is set to Hybrid.
Create a VLAN as primary VLAN and the VLAN ID is 2 and evoke the Pri-
vate VLAN to enable Private VLAN service.
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