User's Guide

Table Of Contents
Availability and session availability
hwc_fastfailover.fm
Session availability
9034530-02, March 2010
398 HiPath Wireless Controller, Access Points and Convergence Software V7.11, User Guide
For the fast failover feature to work within the time frame of 5 seconds, the
Poll Timeout value should be 1.5 to 2 times the Detect link failure value.
For example, if you have set the Detect link failure value to 2 seconds, the
Poll Timeout value should be set to 3 or 4 seconds.
7. In the Synchronization Option area, select Synchronize System
Configuration.
This is a global parameter that enables synchronization of VNS configuration
components (Topology, Policy, WLAN Service, VNS) on both controllers
paired for availability and/or fast failover.
For more information about synchronization, see Section 6.2.7, “Using the
Sync Summary”, on page 256.
8. Click Save.
9. Set the Wireless APs’ Poll Timeout value for fast failover.
To set the Poll Timeout value for fast failover:
a) From the main menu of the primary HiPath Wireless Controller, click
Wireless AP Configuration. The AP Properties screen is displayed.
b) In the left pane, click AP Multi-edit. The AP Multi-edit screen is
displayed.
c) In the Hardware Types list, select the hardware type of the Wireless APs
that are part of your deployment. You can select multiple hardware types
by pressing the CTRL key and clicking the hardware in the Hardware
Types list.