Users Manual Part 1

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Monthly
Allowance
This field is for defining the maximum bandwidth usage allowed for the WAN
connection each month.
Health Check Settings
Method
This setting specifies the health check method for the WAN connection. This value
can be configured as Disabled, PING, DNS Lookup, or HTTP. The default
method is DNS Lookup. For mobile Internet connections, the value of Method
can be configured as Disabled or SmartCheck.
Health Check Disabled
When Disabled is chosen in the Method field, the WAN connection will always be considered as up.
The connection will NOT be treated as down in the event of IP routing errors.
Health Check Method: PING
ICMP ping packets will be issued to test the connectivity with a configurable target IP address or
hostname. A WAN connection is considered as up if ping responses are received from either one or
both of the ping hosts.
PING Hosts
This setting specifies IP addresses or hostnames with which connectivity is to be
tested via ICMP ping. If Use first two DNS servers as Ping Hosts is checked,
the target ping host will be the first DNS server for the corresponding WAN
connection. Reliable ping hosts with a high uptime should be considered. By
default, the first two DNS servers of the WAN connection are used as the ping
hosts.