Health Check Settings 6 - peplink ONE One User Manual

Health Check Settings
To ensure traffic is routed to healthy WAN connections only, the Peplink Balance can periodically check
the health of each WAN connection.
Health Check settings for each WAN connection can be independently configured via
Network>Interfaces>WAN>*Connection name*>Health Check Settings.
Enable Health Check by selecting PING, DNS Lookup, or HTTP from the Health Check Method
drop­down menu.
This setting specifies the health check method for the WAN connection. This value can be
configured as D isabled , P ING , D NS Lookup , or H TTP . The default method is D NS
Method
Lookup . For mobile Internet connections, the value of M ethod can be configured as
Disabled o r S martCheck .
When D isabled is chosen in the M ethod field, the WAN connection will always be considered as up. The
connection will N OT b e treated as down in the event of IP routing errors.
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.
This setting specifies IP addresses or hostnames with which connectivity is to be tested via
ICMP ping. If U se first two DNS servers as Ping Hosts is checked, the target ping host
PING Hosts
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.
DNS lookups will be issued to test connectivity with target DNS servers. The connection will be treated as up if DNS
responses are received from one or both of the servers, regardless of whether the result was positive or negative.
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Health Check Settings
Health Check Disabled
Health Check Method: PING
Health Check Method: DNS Lookup
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