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Copyright @ 2014 Pepwave
9.4
WAN Health Check
To ensure traffic is routed to healthy WAN connections only, the Pepwave MAX provides the functionality
to periodically check the health of each WAN connection.
The Health Check settings for each WAN connection can be independently configured via
Network >
WAN > Details
:
Health Check Settings
Method
This setting specifies the health check method for the WAN connection. The value of
Method can be configured as
Disabled
,
Ping
or
DNS Lookup
. The default method is
DNS
Lookup
.
For Mobile Internet connection, 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
The ICMP PING packets will be issued to test the connectivity with a configurable target IP address or host name. 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 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 uptime 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
