NETGEAR UTM5 Reference Manual page 532

Note: Ensure that the backup interface is configured before enabling
auto-rollover mode.
3. Click Apply to save your settings.
Configure the Failure Detection Method

To configure the failure detection method:
1. Select Network Config > WAN Settings. The WAN screen displays (see
page 521).
2. Click the Edit button in the Action column of the interface that you selected as the primary
interface (see Figure 307
example).
3. Click the Advanced option arrow at the upper right of the screen. The WAN Advanced
Options screen displays for the interface that you selected. (For an image of the entire
screen, see Figure 321
the DSL interface.)
4. Locate the Failure Detection Method section onscreen (see the following figure). Enter the
settings as explained in the following table.
Figure 314.
Table 139. Failure detection method settings
Setting
WAN Failure Detection Method
Select a failure detection method from the drop-down list. DNS queries or pings are sent through the
interface that is being monitored. The retry interval and number of failover attempts determine how quickly
the UTM9S switches from the primary link to the backup link in case the primary link fails, or when the
primary link comes back up, switches back from the backup link to the primary link.
WAN DNS
Custom DNS
ProSecure Unified Threat Management (UTM) Appliance
on page 522, which shows the SLOT-2 ISP Settings screen as an
on page 542, which shows the WAN Advanced Options screen for
Description
DNS queries are sent to the DNS server that is configured in the Domain Name
Server (DNS) Servers section of the WAN ISP screen (see
Internet Connection on page 524).
DNS queries are sent to the specified DNS server.
DNS Server The IP address of the DNS server.
xDSL Module for the UTM9S
532
Figure 306 on
Manually Configure the