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Chapter 7 Monitoring and Statistics Collection Vmux-2100 Installation and Operation Manual
7-16 Collecting Statistics
3. From the HDLC Statistics menu, choose Group Number> and then enter the
desired group number from the displayed list to select the group.
4. From the HDLC Statistics menu, choose Mode.
The Mode menu appears (see Figure 7-13).
5. From the Mode menu, menu, choose Display to display the E1/T1 group
HDLC statistics (see Figure 7-15) or Clear to clear the statistics registers.
Hdlc Statistics on Slot 2 Port 1
Rx statistics
Total Frames :[ 0] Total Bytes :[ 0]
60 sec Frames :[ 0] 60 sec Bytes :[ 0]
Glitch :[ 0] BSY :[ 0]
Tx statistics
Total Frames :[ 0] Total Bytes :[ 0]
60 sec Frames :[ 0] 60 sec Bytes :[ 0]
Glitch :[ 0] Underrun :[ 0]
Tx Queue - Max Frames :[ 0 ] Current Frames :[ 0 ]
Free Frames :[ 0 ]
Figure 7-15. E1/T1 Group HDLC Statistics Screen
Table 7-6. E1/T1 Group HDLC Statistics Values
Field Description
Rx Total Frames Total number of HDLC packets received
Rx Total Bytes Total number of data octets of all packets received
Rx 60 sec Frames Number of HDLC packets received during last 60 seconds
Rx 60 sec Bytes Number of data octets received during last 60 seconds
Rx Glitch Number of clock glitches in the received packets
Rx BSY Number of received HDLC packets discarded due to lack of buffer
resources (buffer is busy)
Tx Total Frames Total number of HDLC packets transmitted
Tx Total Bytes Total number of data octets of all packets transmitted
Tx 60 sec Frames Number of HDLC packets transmitted during last 60 seconds
Tx 60 sec Bytes Number of data octets transmitted during last 60 seconds
Tx Glitch Number of clock glitches in the transmitted packets
Tx Underrun Number of transmitted HDLC packets discarded due to lack of
buffer resources
Tx Queue -
Max Frames
Maximum number of the transmitted HDLC packets ever
accumulated in the FIFO buffer
Current Frames Current number of the transmitted HDLC packets in the FIFO buffer
Free Frames Number of frames discarded due to FIFO buffer overflow