Digi LR54 User Manual page 473

Virtual Private Networks (VPN)
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LR54 User Guide
dns: Tests connectivity by sending a DNS query to the specified DNS server.
Specify the DNS server. Allowed value is the IP address of the DNS server.
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(config vpn ipsec tunnel ipsec_example surelink target 0)>
dns_server ip_address
(config vpn ipsec tunnel ipsec_example surelink target 0)>
dns_configured: Tests connectivity by sending a DNS query to the DNS servers
configured for this interface.
http: Tests connectivity by sending an HTTP or HTTPS GET request to the specified
URL.
Specify the url:
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(config vpn ipsec tunnel ipsec_example surelink target 0)>
http_url value
(config vpn ipsec tunnel ipsec_example surelink target 0)>
where value uses the format http[s]://hostname/[path]
interface_up: The interface is considered to be down based on the interfaces down
time, and the amount of time an initial connection to the interface takes before this
test is considered to have failed.
(Optional) Set the amount of time that the interface can be down before this
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test is considered to have failed:
(config vpn ipsec tunnel ipsec_example surelink target 0)>
interface_down_time value
(config vpn ipsec tunnel ipsec_example surelink target 0)>
where value is any number of weeks, days, hours, minutes, or seconds, and
takes the format number{w|d|h|m|s}.
For example, to set timeout to ten minutes, enter either 10m or 600s:
(config vpn ipsec tunnel ipsec_example surelink target 0)>
interface_down_time 600s
(config vpn ipsec tunnel ipsec_example surelink target 0)>
The default is 60 seconds.
(Optional) Set the amount of time to wait for an initial connection to the
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interface before this test is considered to have failed:
(config vpn ipsec tunnel ipsec_example surelink target 0)>
interface_timeout value
(config vpn ipsec tunnel ipsec_example surelink target 0)>
where value is any number of weeks, days, hours, minutes, or seconds, and
takes the format number{w|d|h|m|s}.
For example, to set timeout to ten minutes, enter either 10m or 600s:
IPsec
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