Monitors

DNS Monitoring in Haltdos GSLB.

Haltdos allows users to configure custom monitoring that can monitor the server. These monitors check the health of the server to assist in efficient way to distribute all queries as per server set-up.

If any of the server are monitored and marked as down, the traffic will not redirect to the same server unless the server comes up and complete the pass threshold meanwhile all the queries will be directed to another server.

How to Use:

1. Go to Stack > GSLB > Listener > Monitors

2. Click Add Monitor button.

3. Configure your settings.

4. Click Save.

5. Now go to GSLB > Listeners > Zones > Click on Zone

6. Add the monitor to the Zone Server as required

Settings	Accepted Values	Default Value
Monitor Name	User friendly monitor name	Blank (mandatory)
HEALTH CHECK INTERVAL	Integer	10 Seconds (mandatory)
FAIL THRESHOLD	Integer	1 (mandatory)
PASS THRESHOLD	Integer	1 (mandatory)
MONITOR TIMEOUT	Integer	1 (mandatory)
HEALTH CHECK TYPE	Drop Dow (TCP or HTTP)	TCP (mandatory)
CHECK PORT	Integer	0 (mandatory)
CHECK URI	URI	Blank
MATCH STATUS	Response Code	200 (mandatory)
MATCH CONTENT	String	Blank
DOMAIN	String	Blank

Description:

Monitor Name

This option allows the user to set a name for his monitoring rule.

Health Check Interval

This option allows the user to set a health check interval for monitoring the services in seconds. After the mentioned time period, defined monitor settings will be checked.

Fail Threshold

This option allows the user to set the integer values for the fail threshold limit. When an already set monitor threshold reaches the specified threshold, it will be marked down. Users can set the threshold on network activities like latency, packet drop, and jitter.

Pass Threshold

This option allows the user to set the integer values for the pass threshold limit. When the set monitor threshold reaches the specified threshold, it will be marked up.

Monitor Timeout

It specifies the timeout after which the monitoring will be marked failed. Users can specify the timeout in seconds.

Health Check Type

It specifies the health check type for monitoring. Users need to select the appropriate type of protocol to monitor the interfaces. By default, TCP is selected.

Check URI

Specify the URI on which request will be send.

Match Status

It Specify the response HTTP status to verify. 200 is by default.

Match Content

It specifies the content that needs to be matched in the fetched resource.