User’s Manual
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.
Figure 4-6-7: Port Isolation Configuration page Screenshot
The page includes the following fields:
Object Description
• Port Members
A check box is provided for each port of a private VLAN. When checked, port
isolation is enabled on that port. When unchecked, port isolation is disabled on
that port.
By default, port isolation is disabled on all ports.
Buttons
: Click to apply changes
: Click to undo any changes made locally and revert to previously saved values.
Auto-refresh
: Check this box to refresh the page automatically. Automatic refresh occurs every 3 seconds.
: Click to refresh the page immediately.
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