Netgear GSM7252PS ProSafe Managed Switch Web Management User Manual - Page 250
VLAN, more than one physical port to reside on the same subnet. It could also be used when
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ProSafe® Gigabit L3 Managed Stackable Switches Software Administration Manual VLAN You can configure ProSafe® Managed Switches software with some ports supporting VLANs and some supporting routing. You can also configure the software to allow traffic on a VLAN to be treated as if the VLAN were a router port. When a port is enabled for bridging (default) rather than routing, all normal bridge processing is performed for an inbound packet, which is then associated with a VLAN. Its MAC Destination Address (MAC DA) and VLAN ID are used to search the MAC address table. If routing is enabled for the VLAN, and the MAC DA of an inbound unicast packet is that of the internal bridge-router interface, the packet is routed. An inbound multicast packet is forwarded to all ports in the VLAN, plus the internal bridge-router interface, if it was received on a routed VLAN. Since a port can be configured to belong to more than one VLAN, VLAN routing might be enabled for all of the VLANs on the port, or for a subset. VLAN Routing can be used to allow more than one physical port to reside on the same subnet. It could also be used when a VLAN spans multiple physical networks, or when additional segmentation or security is required. This section shows how to configure the NETGEAR switch to support VLAN routing. A port can be either a VLAN port or a router port, but not both. However, a VLAN port may be part of a VLAN that is itself a router port. From the VLAN link, you can access the following pages: • VLAN Routing Wizard on page 251 • VLAN Routing Configuration on page 252 250 | Chapter 4. Routing