DellPowerConnect W- Series ArubaOS 6.2 | User Guide Aboutthis Guide |61

About this G uide

This User Guide describes the features supported by Dell PowerConnect W-Series ArubaOSand provides
instructions and examplesfor co nfiguringDell controllers and Access Points (APs). This guide is intended for system
administrators responsiblefor configuring and maintaining wireless networks and assumes you are knowledgeablein
Layer 2 and Layer 3 networking technologies.
This chapter covers the following topics:
l"What’sNew In ArubaOS 6.2 " on page 61
l"Fundamentals"on page 63
l"RelatedD ocuments" on page 64
l"Conventions"o n page 64
l"RelatedD ocuments" on page 64
What’s New In ArubaOS 6 .2
The followingfeatures have been added in the ArubaOS 6.2 release:
Feature Description
LLDP Link Layer DiscoveryProtocol (LLDP),is a Layer-2 protocol that allows network
devicesto advertise their identity and capabilities on a LAN. Wired interfaces on Dell
APssupport LLDP by periodicall y transmitting LLDPP rotocol Data Units(PDUs) com-
prisedof type-length-value (TLV) elements.
Capacity monitoring Thecontroll er will send a
wlsxThresholdExceeded
SNMP trapand a syslog error
messagewhen the controller has exceeded a set percentage of the total capacityfor
thatresource. A
wlsxThresholdCleared
SNMP trapand error messagewill betrig-
geredi fthe resource usage drops below the threshold once again.
Bandwidth contract support for
RemoteAPs Configurebandw idth contractsfor a remote AP on a per-role or per-user basis.
Protectionaga inst DHCP address
exhaustion attack Thisfeature checks the frame's source-MAC against theDHCPv4 client hardware
addressand drops the packet if it does not m atch.This preventsa clientfrom sub-
mitting multiple DHCP requests with differenthardw are addresses,whi ch can
depletethe DHCP pool.
L3 Mobility Support in VRF
Environments TheL2-GRE Tunnel im plementation of the IP mobility functionality is supported only
onArubaOS versions 6.2 or later and is not backward compatible with the earlier
implementation. ArubaOS supports only v4 mobility and does not support IPv6 L3
mobility.

Table1:

New Featuresin ArubaOS 6.2