Configuration Procedure for Monitor Subscriber on UPF
The protocol monitor can be used to display information for a specific subscriber session that is currently being processed. Depending on the number of protocols monitored, and the number of sessions in progress, a significant amount of data is generated. It is highly recommended that logging be enabled on your terminal client in order to capture all of the information that is generated.
MonSub can also be initiated from UPF console. Monitoring for a given IMSI should not be enabled from both SMF and UP console.
Follow the instructions in this section to invoke and configure the protocol monitoring tool for a specific subscriber session.
Procedure
Step 1 | Invoke the monitor subscriber command from the Exec mode by entering the monitor subscriber CLI command.
An output listing all the currently available protocols, each with an assigned number, is displayed. Specify the method the monitor should use by entering the appropriate keyword. |
Step 2 | Specify the method the monitor should use by entering the appropriate keyword. |
Select other options and/or enter the appropriate information for the selected keyword.
Step 3 | Select other options and/or enter the appropriate information for the selected keyword. If no session matching the specified criteria was being processed when the monitor was invoked, a screen of available monitoring options appears. |
Step 4 | Configure the amount of information that is displayed by the monitor. To enable or disable options, enter the letter or 2-digit number associated with that option (C, D, E, 11, 12, etc.). To increase or decrease the verbosity, use the plus ( + ) or minus ( - ) keys. The current state, ON (enabled) or OFF (disabled), is shown to the right of each option. Option Y for performing multi-call traces is only supported for use with the GGSN.
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Step 5 | Repeat step 6 as needed to enable or disable multiple protocols. |
Step 6 | Press the Enter key to refresh the screen and begin monitoring. The monitor remains active until disabled. To quit the protocol monitor and return to the prompt, press q. |