Interfaces Wide Area Networks (WANs)
AnywhereUSB® Plus User Guide
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4. Enable SureLink.
SureLink can be enabled for both IPv4 and IPv6 configurations. By default, SureLink is enabled
for IPv4 for the preconfigured WAN (eth1) and WWAN (modemwwan2). It is disabled for IPv6.
When SureLink is configured for Wireless WANs, SureLink tests are only run if the cellular
modem is connected and has an IP address. Use the SIM failover options to configure the
AnywhereUSB Plus device to automatically recover the modem in the event that it cannot
obtain an IP address. See Configure a Wireless Wide Area Network (WWAN) for details about
SIM failover.
(config network interface my_wan> ipv4 surelink enable true
(config network interface my_wan)>
5. Set the device to reboot when the interface is considered to have failed:
(config network interface my_wan ipv4 surelink)> reboot true
(config network interface my_wan ipv4 surelink>
Note If both the restart and reboot parameters are enabled, the reboot parameter takes
precedence.
6. (Optional) Set the number of times that the Surelink test must fail before the device is
rebooted:
(config network interface my_wan ipv4 surelink)> reboot_attempts int
(config network interface my_wan ipv4 surelink>
where int is any number greater than 0. The default is 1.
7. Add a test target:
(config network interface my_wan)> add ipv4 surelink target end
(config network interface my_wan ipv4 surelink target 0)>
8. Set the test type:
(config network interface my_wan ipv4 surelink target 0)> test value
(config network interface my_wan ipv4 surelink target 0)>
where value is one of:
n
ping: Tests connectivity by sending an ICMP echo request to a specified hostname or IP
address.
l
Specify the hostname or IP address:
(config network interface my_wan ipv4 surelink target 0)> ping_
host host
(config network interface my_wan ipv4 surelink target 0)>
l
(Optional) Set the size, in bytes, of the ping packet:
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