Digi TX54, Руководство пользователя

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Virtual Private Networks (VPN) IPsec
TX54 User Guide 434
8. For Reboot device , enable to instruct the device to reboot when the WAN connection is
considered to have failed.
9. Change the Interval between connectivity tests.
Allowed values are any number of weeks, days, hours, minutes, or seconds, and take the
format
number { w|d|h|m|s }.
For example, to set Interval to ten minutes, enter 10m or 600s .
The default is 15 minutes.
10. For Success condition , determine whether the interface should fail over based on the failure
of one of the test targets, or all of the test targets.
11. For Attempts , type the number of probe attempts before the WAN is considered to have failed.
12. For Response timeout , type the amount of time that the device should wait for a response to
a probe attempt before considering it to have failed.
Allowed values are any number of weeks, days, hours, minutes, or seconds, and take the
format
number { w|d|h|m|s }.
For example, to set Response timeout to ten minutes, enter 10m or 600s .
The default is 15 seconds.
13. Add a test target:
a. Click to expand Test targets .
b. For Add Test target , click

.
c. Select the Test type :
n
Test another interface's status : Allows you to test another interface's status, to
create a failover or coupled relationship between interfaces. If Test another
interface's status is selected:
l
For Test Interface , select the alternate interface to be tested.
l
For IP version , select the alternate interface's IP version. This allows you to
determine the alternate interface's status for a particular IP version.
l
For Expected status , select whether the expected status of the alternate
interface is Up or Down . For example, if Expected status is set to Down , but
the alternate interface is determined to be up, then this test will fail.
n
Ping test : Tests connectivity by sending an ICMP echo request to the hostname or
IP address specified in Ping host . You can also optionally change the number of
bytes in the Ping payload size .
n
DNS test : Tests connectivity by sending a DNS query to the specified DNS server .
n
HTTP test : Tests connectivity by sending an HTTP or HTTPS GET request to the
URL specified in Web servers . The URL should take the format of http
[s]:// hostname /[ path ] .