XiNCOM Twin WAN XC-DPG503 User Manual - page 23
Twin WAN Series – User Guide | v1
Section 2: Port Options
Connection Validation
Health Check
Use this field to select the type of connection validation to perform. The Twin WAN
Gateway supports the following Health Check options:
•
ICMP
- When enabled, the Twin WAN Gateway sends ICMP echo requests to
the gateway of each connection. If Alive Indicator is specified then it will be used
instead.
•
HTTP
- When enabled, the Twin WAN Gateway retrieves html pages in order to
verify connectivity to the internet. Use only if ISP does not support ICMP
packets.
•
Traffic I/O
- When enabled, the Twin WAN Gateway monitors inbound and
outbound traffic on both WAN ports and to verify there is connectivity. If the
connections are idle, ICMP or HTTP health check methods will be utilized.
Alive Indicator
This is the IP address used to check if the WAN connection is operational. When using
HTTP, put in a valid IP address of a web server. When this field is blank, the IP address
of your ISP is used.
Note: This is not used for PPPoE connections.
MTU
The Maximum Transmission Unit is used when determining the packet size to be used on
the WAN interface. Normally, this does not need to be changed, but if your ISP advises
you to use a particular MTU, enter it here.
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