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Chapter 1 Overview
P332G-ML User’s Guide 3
Layer 2 Features
VLANs
The P332G-ML module is fully IEEE 802.1Q compliant and can handle up to 253
tagged VLANs from a range of 1 to 3071.
Multiple VLANs per Port
The P332G-ML provides the ability to set multiple 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.
Link/Port Redundancy
Redundancy can be implemented between any two ports in the same stack at the
link level. You can also assign redundancy between any two LAGs in the stack or
between a LAG and a port. One port or LAG is defined as the primary port, and the
other as the secondary port. In case the primary port link fails, the secondary port
takes over.
Network Management Agent (NMA) Redundancy
Since each P332G-ML module has an integral SNMP agent, any module in a stack
can serve as the stack NMA while other NMAs act as redundant agents in “hot”
standby. If the “live” NMA fails then a backup is activated instantaneously.
Intermodule Redundancy
Intermodule redundancy includes all Port Redundancy functionality, and
additionally maintains port integrity even when the primary port link fails as the
result of a failure of the module. If the module on which the active port in an
Intermodule Port Redundancy pair is located is powered down or removed from
the stack, the secondary port in the Intermodule Port Redundancy pair takes over.
Only one pair per stack can be set for Intermodule Port Redundancy.