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Chapter 9 VLAN
XGS-4526/4528F/4728F User’s Guide
135
The following table describes the labels in this screen.
Table 22 Advanced Application > VLAN: Port Based VLAN Setup
LABEL DESCRIPTION
Setting
Wizard
Choose 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.
This option is the most flexible but also the least secure.
Port isolation means that each port can only communicate with the CPU
management port and cannot communicate with each other. All incoming
ports are selected while only the CPU outgoing port is selected. 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
Switch management port. By default it forms a VLAN with all Ethernet
ports. If it does not form a VLAN with a particular port then the Switch
cannot be managed from that port.
Outgoing These are the egress ports. An egress port is an outgoing port, that is, a
port through which a data packet leaves. If you wish to allow two
subscriber ports to talk to each other, you must define the egress port for
both ports. CPU refers to the Switch management port. By default it forms
a VLAN with all Ethernet ports. If it does not form a VLAN with a particular
port then the Switch cannot be managed from that port.
Apply Click Apply to save your changes to the Switch’s run-time memory. The
Switch loses these changes if it is turned off or loses power, so use the
Save link on the top navigation panel to save your changes to the non-
volatile memory when you are done configuring.
Cancel Click Cancel to begin configuring this screen afresh.