Amit IOG851-W, User Manual, Page: 42 / 395

4G PoE IIoT Gateway
Network Monitoring Configuration
Item Value setting Description
Network Monitoring
Configuration
1. An optional setting
2. Box is checked by
default
Check the Enable box to activate the network monitoring function.
Checking Method
1. An Optional setting
2. DNS Query is set by
default
Choose either DNS Query or ICMP Checking to detect WAN link.
With DNS Query , the system checks the connection by sending DNS Query
packets to the destination specified in Target 1 and Target 2.
With ICMP Checking , the system will check connection by sending ICMP
request packets to the destination specified in Target 1 and Target 2.
Loading Check
1. An optional setting
2. Box is checked by
default
Check the Enable box to activate the loading check function.
Enable Loading Check allows the gateway to ignore unreturned DNS
queries or ICMP requests when WAN bandwidth is fully occupied. This is to
prevent false link-down status.
Query Interval
1. An Optional setting
2. 5 seconds is selected
by default.
Specify a time interval as the DNS Query Interval .
Query Interval defines the transmitting interval between two DNS Query or
ICMP checking packets.
With DNS Query, the system checks the connection by sending DNS Query
packets to the destination specified in Target 1 and Target 2.
Value Range : 2 ~ 14400.
Check Interval
1. An Optional setting
2. 5 seconds is selected
by default.
Specify a time interval as the ICMP Checking Interval .
Query Interval defines the transmitting interval between two DNS Query or
ICMP checking packets.
With ICMP Checking, the system will check connection by sending ICMP
request packets to the destination specified in Target 1 and Target 2.
Value Range : 2 ~ 14400.
Latency Threshold
1. An Optional setting
2. 3000 ms is set by
default
Enter a number of detecting disconnection times to be the threshold
before disconnection is acknowledged.
Latency Threshold defines the tolerance threshold of responding time.
Value Range : 2000 ~ 3000 seconds.
Fail Threshold
1. An Optional setting
2. 5 times is set by
default
Enter a number of detecting disconnection times to be the threshold
before disconnection is acknowledged.
Fail Threshold specifies the detected disconnection before the router
recognize the WAN link down status.
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