An LTM Specialist needs to create a pool with a set of monitor that checks both the pool members and corresponding application service ports. The pool members have services on port 80. The application service is on port 8009.
The LTM device should load balance traffic to the pool member when the pool member and corresponding application service pass monitor.
Which monitor and parameter set meets this requirement?
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Alias Address and Alias Service Port cause a monitor to test something other than the resource the monitor is assigned to but mark up or down the resource it is assigned to. For example, if you place a monitor with Alias Service Port set to 8443 on a pool member whose IP address:port is 10.200.19.73:443, the monitor will test the resource at 10.200.19.73:8443 but mark the pool member at 10.200.18.73:443 up or down based on the test results.
In response to the question then, no, if you want the monitor on the pool member at 10.200.18.73:80 to test that specific resource and mark it up or down based on the test results, it is not necessary to specify 80 in the Alias Service Port entry instead wildcard will do the work.
TCP monitor for port * will monitor on port 80 and the custom tcp monitor with alias port 8009 on the additional custom service port.