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Layer 2 Features
Auto-Negotiation
Every 10/100 port on the Avaya P330 supports Auto-Negotiation which
automatically detects and supports the operating mode and speed of a connected
device. Auto-negotiation is also supported on the Gigabit Ethernet ports for flow
control mode only.
This means that you can simply connect the Avaya P330 to Ethernet or Fast Ethernet
equipment at full or half duplex without configuration.
Congestion Control
Congestion control is a key element of maintaining network efficiency as it prevents
resource overload.
The Avaya P330 supports congestion control on all Ethernet ports, using the
following:
•
Back Pressure in half duplex mode.
•
IEEE 802.3x Flow Control in full duplex mode.
VLANs
The Avaya P330 VLANs are fully IEEE 802.1Q compliant and can handle up to 1k
tagged VLANs.
Multiple VLANs per Port
The Avaya P330 provides the ability to set multiple (1K) VLANs per port. The three
available Port Multi-VLAN binding modes are:
•
Bound to All - the port is programmed to support the entire 3K VLANs range.
Traffic from any VLAN is forwarded through a port defined as Bound to All.
•
Bound to Configured - the port supports all the VLANs configured in the
switch/stack. These may be either Port VLAN IDs (PVID) or VLANs that were
manually added to the switch.
•
Statically Bound - the port supports VLANs manually configured on it.
Leaky VLAN
Leaky VLAN provides the ability to send unicast traffic between two ports on
different VLANs. Leaky VLAN will function only on modules (and sub-modules)
with C/S 2.0 and higher.
Avaya P333R User's Guide
Chapter 1
Overview
3
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