PLANET WGSD-10020 - Manual (Page 122)

User’s Manual of WGSD-10020 Series
122
For private VLANs to be applied, the switch must first be configured for standard VLAN operation When this is in place, one or
more of the configured VLANs can be configured as private VLANs. Ports in a private VLAN fall into one of these two groups:
 Promiscuous ports
— Ports from which traffic can be forwarded to all ports in the private VLAN
— Ports which can receive traffic from all ports in the private VLAN
 Isolated ports
— Ports from which traffic can only be forwarded to promiscuous ports in the private VLAN
— Ports which can receive traffic from only promiscuous ports in the private VLAN
The configuration of promiscuous and isolated ports applies to all private VLANs. When traffic comes in on a promiscuous port
in a private VLAN, the VLAN mask from the VLAN table is applied. When traffic comes in on an isolated port, the private VLAN
mask is applied in addition to the VLAN mask from the VLAN table. This reduces the ports to which forwarding can be done to
just the promiscuous ports within the private VLAN.
This page is used for enabling or disabling port isolation on ports in a Private VLAN. A port member of a VLAN can be isolated
to other isolated ports on the same VLAN and Private VLAN. The Port Isolation screen in Figure 4-6-7 appears.