SD-WAN
R81.10.X Quantum Spark 1500, 1600, 1800, 1900, 2000 Appliances Locally Managed Administration Guide|235
2.
Configure the global SD-WAN Probing Settings
Note - The SD-WAN interfaces send ICMP Echo Requests to the specified
destination. Based on the received ICMP Echo Responses, the appliance
decides which ISP link (SD-WAN interface) to use.
a. In the SD-WAN mode line (SD-WAN blade is enabled), click Configure.
b. In the First host field, enter the IPv4 Address or Hostname for the first probing
destination.
The default is dns.google.com
c. In the Second host field, enter the IPv4 Address or Hostname for the first
probing destination.
The default is dns.cloudflare.com
d. In the Third host field, enter the IPv4 Address or Hostname for the first probing
destination.
The default is dns.opendns.com
e. In the Probing interval field, enter the time between the probing packets (in milli-
seconds).
The default is 1000 msec (1 sec).
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