VoloAccess™
User Manual
Copyright © Vololink Pty Ltd 2006-2010
V1.43 July 2010
Page 24 of 78
After enabling Failover and selecting the interface order, it is necessary to
enable the WAN port
before
connecting the VoloAccess to a secondary WAN interface.
The following items can be configured if necessary.
Polling Interval
The length of time (in seconds) between DNS resolution attempts. The
polling requests are the regular monitoring of the WAN interfaces.
A short interval between DNS polling provides fast detection of
connection failure, but results in increased data usage. The range of
values is: Min: 5 seconds to Max: 1 day.
Poll Timeout
The number of seconds to wait for a DNS reply. It may be necessary to
increase this value for slow links in order to provide sufficient time to
receive a reply. The range of values is: Min: 1 second to Max: 3 minutes.
Poll
Failure Count
The number of successive DNS resolution failures before the interface is
considered to have failed. Once the specified number of failures has
been reached, the next available interface will become the active
interface. The range of values is: Min: 1 to Max: 100
Interface Order
Defines the preferred order of interface usage. The primary interface is
used in preference to the secondary interface until it fails at which time
the VoloAccess will switch to the next interface. To change the interface
order, click the
Raise
button.
Servers To Be Resolved
The list of host names to resolve. The default hosts can be replaced or
deleted. Additional host names can also be defined. Use the
Save
,
Delete
and
Add
buttons to manage these items. At least one host must
be defined.
After making changes to this page click the
Apply
button.
