hwc_controlleravailmobility.fm
A31003-W1040-U101-1-7619, July 2006 DRAFT
HiPath Wireless Controller, Access Points and Convergence Software V4.0, C10/C100/C1000 User Guide
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Availability, mobility, and controller functionality
Availability overview
8 Availability, mobility, and controller functionality
This chapter describes the availability and mobility concepts, including:
● Availability overview
● Mobility manager
● Defining management users
● Configuring network time
● Configuring Check Point event logging
● Enabling SNMP
● Using controller utilities
● Configuring Web session timeouts
The HiPath Wireless Controller provides additional functionality including:
● Availability – Maintains service availability in the event of a HiPath Wireless Controller
outage
● Mobility - Allows multiple HiPath Wireless Controllers on a network discover each other
and exchange information about a client session. A maximum of up to 8 controllers can be
linked to allow users to transparently roam across controllers in the mobility domain.
8.1 Availability overview
The HiPath Wirelesss Controller, Access Points and Convergence Software system provides
this feature to maintain service availability in the event of a HiPath Wireless Controller outage.
The availability feature links two HiPath Wireless Controllers as a pair, to share information
about their wireless APs. If one controller fails, its Wireless APs are allowed to connect to the
backup controller. The second HiPath Wireless Controller provides the wireless network and a
pre-assigned VNS for the wireless AP.
From the viewpoint of a wireless AP, if a HiPath Wireless Controller or the connection to it fails,
the wireless AP begins its discovery process. The wireless AP is directed to the appropriate
backup controller of the pair. This connection may require the wireless AP to reboot. Users on
the wireless AP must log in again and be authenticated on the second HiPath Wireless
Controller.
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