PePLink Balance Series v4.0 User Manual
Health Check Method: Ping
The ICMP Ping packets will be issued to test the connectivity with a configurable target IP
address or hostname. A WAN connection is considered “up” if ping responses are
received from either one or both of the ping hosts.
This setting specifies IP addresses or host names 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 up-time should be considered.
By default, the first two DNS servers of the WAN connection are used
as the Ping Hosts.
Health Check Method: DNS Lookup
DNS lookups will be issued to test the connectivity with target DNS servers. The
connection will be treated as up if DNS responses are received from either one or both of
the servers, regardless of whether the result was positive or negative.
This field specifies two DNS hosts’ IP address with which connectivity
is to be tested via DNS Lookup
If Use first two DNS servers as Health Check DNS Servers is
checked, the target DNS hosts will be the first two DNS servers
assigned to this WAN connection.
Reliable targets with a high up-time should be considered.
By default, the first two DNS servers of the WAN connection are used
as the Health Check DNS Servers.
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