Publication date: Mar. 2016
33600 Rev B
55
4-2-5. VLAN Port Isolation Configuration
Function name:
Port Isolation Configuration
Function description:
Port Isolation provides for an apparatus and method to isolate ports on
layer 2 switches on the same VLAN to restrict traffic flow. The apparatus
comprises a switch having said plurality of ports, each port configured as a
protected port or a non-protected port. An address table memory stores an
address table having a destination address and port number pair. A
forwarding map generator generates a forwarding map which is responsive
to a destination address of a data packet. The method for isolating ports on
a layer 2 switch comprises configuring each of the ports on the layer 2
switch as a protected port or a non-protected port. A destination address
on an data packet is matched with a physical address on said layer 2
switch and a forwarding map is generated for the data packet based upon
the destination address on the data packet. The data packet is then sent to
the plurality of ports pursuant to the forwarding map generated based upon
whether the ingress port was configured as a protected or non-protected
port.
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.
Fig. 4-8
Port Isolation configuration
Parameter 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.
