2.1. Logging¶

Configure DNS query and response logging. Create a “Log Publisher”, and a “Logging Profile”

1. Navigate to: System ›› Logs : Configuration : Log Publishers

   

   Create a local syslog publisher according to the table below:

   Setting	Value
   Name	local-syslog-publisher
   Destinations	local-syslog

   

   https://gtm1.site1.example.com/tmui/Control/jspmap/tmui/system/log/create_publisher.jsp

   https://gtm1.site2.example.com/tmui/Control/jspmap/tmui/system/log/create_publisher.jsp

   On both gtm1.site1 and gtm1.site run the following command:

   TMSH

   tmsh create sys log-config publisher local-syslog-publisher { destinations { local-syslog { } } }

2. Navigate to: DNS > Delivery > Profiles > Other > DNS Logging: Create

   

   Create a new DNS logging profile as shown in the table below.

   Setting	Value
   Name	example_dns_logging_profile
   Log Publisher	local-syslog-publisher
   Log Responses	enabled
   Include Query ID	enabled

   

   https://gtm1.site1.example.com/tmui/Control/jspmap/tmui/dns/profile/dns_log/create.jsp

   https://gtm1.site2.example.com/tmui/Control/jspmap/tmui/dns/profile/dns_log/create.jsp

   TMSH command for both gtm1.site1 and gtm1.site2:

   TMSH

   tmsh create ltm profile dns-logging example_dns_logging_profile enable-response-logging yes include-query-id yes log-publisher local-syslog-publisher

https://support.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/bigip-external-monitoring-implementations-12-0-0/5.html