Brocade FastIron Ethernet Switch Platform and Layer 2 Swit Manual de usuario descargar pdf (Pagina 411)

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FIGURE 91 PVLAN used to secure communication between a workstation and servers

This example uses a PVLAN to secure traffic between hosts and the rest of the network through a

firewall. Five ports in this example are members of a PVLAN. The first port (port 3/2) is attached to a

firewall. The next four ports (ports 3/5, 3/6, 3/9, and 3/10) are attached to hosts that rely on the firewall

to secure traffic between the hosts and the rest of the network. In this example, two of the hosts (on

ports 3/5 and 3/6) are in a community PVLAN, and thus can communicate with one another as well as

through the firewall. The other two hosts (on ports 3/9 and 3/10), are in an isolated VLAN and thus can

communicate only through the firewall. The two hosts are secured from communicating with one

another even though they are in the same VLAN.

By default, unknown-unicast, unregistered multicast, and broadcast are flooded in PVLAN.

By default, on all the FastIron platforms, the device will forward broadcast, unregistered multicast, and

unknown unicast packets from outside sources into the PVLAN.

By default, in FastIron FSX platforms , the device will not forward broadcast, unregistered multicast, and

unknown unicast packets from outside sources into the PVLAN. If needed, you can override this

behavior for broadcast packets, unknown-unicast packets, or both.

You can configure a combination of the following types of PVLANs:

VLANs

FastIron Ethernet Switch Platform and Layer 2 Switching Configuration Guide 411

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