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10 vlan setting example – Interlogix NS3550-2T-8S User Manual User Manual

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IFS NS3552-8P-2S AND NS3550-2T-8S User Manual

139

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 save 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.

4.6.10 VLAN Setting Example:

- Separate VLAN

- 802.1Q VLAN Trunk

- Port Isolate

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