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Home > Maintenance > Troubleshooting INTUITY AUDIX LX > LAN Link Troubleshooting Procedures > Diagnosing the Session Layer
| Diagnosing the Session Layer
> By diagnosing the session layer, you verify that the software applications on the INTUITY system and the switch are integrated. To diagnose the session layer: Go to the Messaging Administration main menu and select Session Layer Diagnostics. The system displays the Session Layer Diagnostics page.
> Note: The Session State field must display DATA for you to check the TSM and RSM values.
> If data messages are being exchanged, you can keep refreshing this page to check whether the TSM and RSM values are being properly incremented. If the TSM and RSM values are not being incremented, the data exchange is not taking place. See the following table for descriptions of the session layer diagnostics fields.
> Table: Session Layer Diagnostics Fields
> Field | Values | Description/Action
> --- | --- | ---
> Switch Number | – | A unique identifier for each switch in a network.
> Session State | IDLE | Trying to establish TCP/IP link. If the Idle status continues, reboot the system. The physical link might be down. If the reboot does not fix the problem, contact technical support.
> WSA | Waiting for Session Acceptance message. This message means that the TCP/IP link is up and the Session Connect Message (SCM) has been sent. Check the link administration on the switch and the INTUITY AUDIX system. If the administration is correct, escalate to technical support.
> DATA | Link is up and ready to send and receive messages.
> Transmit Sequence Number TSM) | From 1 to 255 and then resets to 1 Note: The number shown in this field is insignificant. Whether this field is incrementing is significant. | AUDIX appends a sequence number to data messages before they are transmitted. This field shows the sequence in which messages are being transmitted. Note: If there are no calls, the TSM numbers does not increment. Generate test calls to test the TSM, if necessary.
> Receive Sequence Number (RSM) | From 1 to 255 and then resets to 1 Note: The number shown in this field is insignificant. Whether this field is incrementing is significant. | The switch appends a sequence number to data messages before they are sent. This field shows the sequence in which messages are received. Note: If there are no calls, the RSM numbers does not increment. Generate test calls to test the RSM, if necessary.
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