Справочник Пользователя для Dialogic 6.2

BSMI Debugging

November 2009

101

The debug output is controlled using the regular mechanisms 

provided with the Bfv API. Included in the debug output are 

diagnostic strings including BSMI message tracing and network 

layer tracing.

The vtty program displays layer 2, 3, and 4 messages (depending on 

user settings).

Included in the debug output is a diagnostic message showing the 

message identifier of all messages sent to the firmware from the 

application, and all messages sent from the firmware to the 

application. 

The diagnostic trace function allows you to trace Layer 2 messages 

entering and leaving the framer (See 

 for 

command line syntax). The trace function displays link layer 

protocol messages only, such as ISDN Q.931. The trace display 

resembles a simple protocol analyzer, with the message type decoded 

and its direction shown.

A trace shows Layer 2 messages being passed over the links, and 

provides some protocol and routing information. It also displays the 

received/transmitted message Information Frame in hexadecimal 

format. This hexadecimal string contains Layer 2 ISDN frame 

headers.

-m <mod>    

Use specified module (default 2)

-v          

Turn on Bfv API debugging mode