Digi IX20, Руководство пользователя

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Virtual Private Networks (VPN) OpenVPN
IX20 User Guide 321
6. Enable active recovery.
7. For Restart interface , enable to configure the device to restart the interface when its
connection is considered to have failed. This is useful for interfaces that may regain
connectivity after restarting, such as a cellular modem.
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
Ping test or Ping test (IPv6) : 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 or DNS test (IPv6) : Tests connectivity by sending a DNS query to the
specified DNS server .