Note!
China Netcom strategy and self-defined strategy can coexist. However, if a
destination IP is assigned by both China Netcom strategy and self-defined strategy,
China Netcom strategy will take priority. In other words, traffic to that destination IP will be
transmitted through the WAN (or WAN group) under China Netcom strategy.
6.2.2 Network Service Detection
This is a detection system for network external services. If this option is selected, information such
"Retry" or "Retry Timeout" will be displayed. If two WANs are used for external connection, be sure to
activate the NSD system, so as to avoid any unwanted break caused by the device misjudgment of the
overload traffic for the WAN.
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