Eicon Networks C21 Guia de Instalação Página 137

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HDLC Statistics 137
HDLC Statistics
When you issue the command ECMODULE STATS HDLC on the gateway
PC with an active HDLC connection, statistical information is displayed.
The following command displays statistics of the HDLC connections on the
specified Eiconcard port:
ECMODULE STATS HDLC /P 1
HDLC Loadable Module Statistics
Port number: 01 Port name: P1
T1 expired.......: 0 Retransmissions..: 0
Underrun.........: 0
Overrun..........: 0
Sent Received Sent Received
SABM.............: 1 0 XID..............: 0 0
DISC.............: 0 0 I................: 295 432
UA...............: 0 1 RR...............: 19449 19446
DM...............: 0 0 RNR..............: 0 0
FRMR.............: 0 0 Rejects..........: 0 0
Abort............: 0 0
Bad type.........: 0
Bad CRC..........: 0
Command Completed Successfully.
Statistics Fields
Port number
Number of the Eiconcard port being monitored.
Port name
The name of the Eiconcard port being monitored.
T1 expired
Number of times the Checkpoint timer (T1) has been exceeded.
Retransmissions
Number of times a frame was retransmitted.
Underrun
Number of times that more frames have been transmitted than the
receiver can handle.
Overrun
Number of times that the Eiconcard could not handle incoming
frames.
SABM
Number of Set Asynchronous Balanced Mode frames sent/received.
This is used to initialize the HDLC connection.
Note
A large number of SABM frames could indicate an unstable HDLC
connection.
XID
Number of exchange station identification frames sent/received.
Command
ECMODULE STATS HDLC [/Port p | portname]
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