Wan Health Check - peplink PEPWAVE MAX Series User Manual

MTU
MSS
MAC Address
Clone
VLAN
9.5

WAN Health Check

To ensure traffic is routed to healthy WAN connections only, the Pepwave router can periodically
check the health of each WAN connection. The health check settings for each WAN connection
can be independently configured via Network>WAN>Details .
Method
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.
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This field is for specifying the Maximum Transmission Unit value of the WAN
connection. An excessive MTU value can cause file downloads stall shortly after
connected. You may consult your ISP for the connection's MTU value. Default
value is 1440.
This field is for specifying the Maximum Segment Size of the WAN connection.
When Auto is selected, MSS will be depended on the MTU value. When Custom is
selected, you may enter a value for MSS. This value will be announced to remote
TCP servers for maximum data that it can receive during the establishment of TCP
connections.
Some Internet servers are unable to listen to MTU setting if ICMP is filtered by
firewall between the connections.
Normally, MSS equals to MTU minus 40. You are recommended to reduce the MSS
only if changing of the MTU value cannot effectively inform some remote servers to
size down data size.
Default: Auto
Some service providers (e.g. cable network) identify the client's MAC address and
require client to always use the same MAC address to connect to the network. If it
is the case, you may change the WAN interface's MAC address to the client PC's
one by entering the PC's MAC address to this field. If you are not sure, click the
Default button to restore to the default value.
Check the box to assign a VLAN to the interface.
Health Check Settings
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
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