Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
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Cisco IronPort AsyncOS 7.1 for Email Daily Management Guide
OL-22160-02
Chapter 9 Testing and Troubleshooting
Using the Listener to Test the Appliance
Using the Listener to Test the Appliance
“Black hole” listeners allow you to test your message generation systems, and to
also get a rough measure of receiving performance. Two types of black hole
listeners are queueing and non-queueing.
also get a rough measure of receiving performance. Two types of black hole
listeners are queueing and non-queueing.
The queueing listener saves the message to the queue, but then immediately
deletes it. The non-queueing listener accepts a message, and then immediately
deletes it without saving it.
deletes it. The non-queueing listener accepts a message, and then immediately
deletes it without saving it.
Use a queuing listener when you are interested in measuring the performance of
the entire injection portion of your message generation system. Use the
non-queueing listener when you want to troubleshoot the connection from your
message generation system to the appliance.
the entire injection portion of your message generation system. Use the
non-queueing listener when you want to troubleshoot the connection from your
message generation system to the appliance.
For example, in
, you could create a black hole listener “C” to mirror
the private listener labeled “B.” A non-queueing version tests the performance
path of the system from the groupware client to the groupware server to the
appliance. A queueing version tests that same path and the appliance’s ability to
enqueue messages and prepare them for delivery via SMTP.
path of the system from the groupware client to the groupware server to the
appliance. A queueing version tests that same path and the appliance’s ability to
enqueue messages and prepare them for delivery via SMTP.
This is a test message.
Run through another debug session? [N]>