Avaya P332G-ML User Manual download pdf (Page 73)

Chapter 11 Avaya P330 Layer 2 Features

Avaya P332G-ML User’s Guide 59

Marketing (Mktg). Each VLAN has several physical ports assigned to it with PC’s

connected to those ports. When traffic flows from a PC on the Sales VLAN for

example, that traffic is only forwarded out the other ports assigned to that VLAN.

Thus, the Engineering and Mktg VLANs are not burdened with processing that

traffic.

Figure 11.2 VLAN Switching and Bridging

VLAN Tagging

VLAN Tagging is a method of controlling the distribution of information on the

network. The ports on devices supporting VLAN Tagging are configured with the

following parameters:

•Port VLAN ID

•Tagging Mode

The Port VLAN ID is the number of the VLAN to which the port is assigned.

Untagged frames (and frames tagged with VLAN 0) entering the port are assigned

the port's VLAN ID. Tagged frames are unaffected by the port's VLAN ID.

The Tagging Mode determines the behavior of the port that processes outgoing

frames:

• If Tagging Mode is set to “Clear”, the port transmits frames that belong to the

port's VLAN table. These frames leave the device untagged.

• If Tagging Mode is set to “IEEE-802.1Q”, all frames keep their tags when they

leave the device. Frames that enter the switch without a VLAN tag will be

tagged with the VLAN ID of the port they entered through.

Multi VLAN Binding

Multi VLAN binding (Multiple VLANs per port) allows access to shared resources

by stations that belong to different VLANs through the same port. This is useful in

applications such as multi-tenant networks, where each user has his a VLAN for

privacy, but the whole building has a shared high-speed connection to the ISP.

In order to accomplish this, P330 allows you to set multiple VLANs per port. The

Sales

Mktg

Engineering

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Avaya P332G-ML User Manual Page 73