ZyXEL Communications Dimension GS-3012, User Manual, Page: 91 / 259

GS-3012/GS-3012F User’s Guide
VLAN 7-11
Figure 7-9 Port Based VLAN Setup (Port isolation)
The following table describes the labels in this screen.
Table 7-6 Port Based VLAN Setup
LABEL DESCRIPTION
Setting Wizard Choose from All connected or Port isolation .
All connected means all ports can communicate with each other, that is, there are no virtual
LANs. All incoming and outgoing ports are selected ( Figure 7-8 ). This option is the most flexible
but also the least secure.
Port isolation means that each port can only communicate with the CPU port (which is for in-
band switch management) and cannot communicate with each other. All incoming ports are
selected while only the CPU outgoing port is selected (
Figure 7-9 ). This option is the most limiting
but also the most secure.
After you make your selection, click Apply (top right of screen) to display the screens as
mentioned above. You can still customize these settings by adding/deleting incoming or outgoing
ports, but you must also click
Apply at the bottom of the screen.
Incoming These are the ingress ports; an ingress port is an incoming port, that is, a port through which a
data packet enters. If you wish to allow two subscriber ports to talk to each other, you must define
the ingress port for both ports. The numbers in the top row denote the incoming port for the
corresponding port listed on the left (its outgoing port).
CPU refers to the in-band switch
management port. By default it forms a VLAN with all Gigabit ports. If it does not form a VLAN
with a particular port then the switch cannot be managed from that port.