Table of Contents

Definition
Kind of information collected
Counters

NTE counter
NTPE counter
NTOKR counter
NTKOR counter
NBAPP counter
NBPAQ counter
BUFMOY counter
BUFMAX counter
TBUF counter
CPUMOY counter
CPUMAX counter
TCPU counter
PACMOY counter
PAQMAX counter
VMY counter
VMX counter
TV counter
DMYE / DMYR counters
DMXE / DMXR counters
TE / TR counters
TC1 counter
TC2 Counter
NB1 counter
NBAPE counter
NBAPR counter
LEE / LDE / LOE / LRE / LAE counters
LDG / LOG / LAG counters
LER counter
TDB counter
TKO counter
TCE/TCR counters

Access
Command description
Complete example

Command "SL A" :
Command "SL HT" :
Command "SL HG" :
Command "SL AC1" :
Command "SB AS" :

Setting the equipment clock

SETTING THE HOURS
SETTING THE MINUTES AND SECONDS

Extended Statistics Management Function

Definition

The Extended Statistics function is a management function allowing to collect, store, calculate and transfer information about the operation of the equipment and the lines of a network.

The collection of the information takes place during the normal operation of the equipment.

The following calculations may be executed:

• average/maximum values,

• percentages,

• the time, a threshold was exceeded.

For a current time period, the execution of these calculations takes place at each transfer to the user. For a previous time period, they are carried out once at the end of that period.

The information is stored in memory of the equipment on the day it is collected and the next day.

Distribution of the information is realized on request of the user and wherever resources are available in the network. All information stored may be transferred.

These functions may be adjusted to personal requirements. They may be activated or inactivated.

The configuration of the "frame counters" and "global counters" is on equipment level.

The "signalization" and "throughput" counters can be activated or inactivated separately on each line of the equipment.

Depending on the function of each time section, the information stored in RAM are sent to the backed-up memory of the equipment when it exists.

Consequently, during a total reset (ITO) of the equipment, the information saved before it is turned off are again stored in RAM and hence can be distributed. The equipment recovers the saved information 24 to 48 hours before the new start-up.

Kind of information collected

The statistical information is split up into four types:

• The signalization: It counts the clears and the transmitted and received calls per telecommunication line of the equipment, type X.25 synchronous or asynchronous.

• The throughtput: It processes the information concerning the virtual circuits in use and the speed on each telecommunication line of the equipment.

• The global counters: It processes the information concerning the buffers in use and it counts the packets switched and the calls received in the equipment.

• The frame counters: It counts the transmitted and received frames of each synchronous X.25 line of the equipment.

• The compression: processes all information relative to the compression rate, for each line of the equipment. It is to be noted that information on the disconnect rate is not available.

Counters

NTE counter

NTPE counter

NTOKR counter

NTKOR counter

NBAPP counter

NBPAQ counter

BUFMOY counter

The average value is calculated from a number of samples taken in one hour.

BUFMAX counter

The reference value for this calculation is the number of free buffers after reset of the equipment.

The duration of a sample, one minutes, is fixed.

TBUF counter

With the reference value, the threshold can be calculated from the number of free buffers after reset of the equipment.

The duration of a sample is one minute.

The accuracy of the value depends on the duration of the time-out.

The shorter the duration, the better the accuracy.

CPUMOY counter

The average is taken in relation to the number of samples completed in an hour.

CPUMAX counter

The sampling time is set and has the value of 1 minute.

When the equipment is of the "biprocessor" type, the largest of the two maximum loads is used.

TCPU counter

PACMOY counter

PAQMAX counter

VMY counter

VMX counter

TV counter

The duration of the samples of the logical channels can be configured in class 24, recurrence 0, parameter 34. Its value must be between 1 and 180 in steps of 10 seconds.

The reference values (the number of logical channels configured) enabling the calculation of the threshold, is found in class 12, recurrence x (x = line number), parameter 7, 11 and 15.

The accuracy of the value depends on the duration of the time-out.

The shorter the duration, the better the accuracy.

DMYE / DMYR counters

For synchronous X.25 lines, three bytes are added per received and transmitted frame; one for the flag and two for the CRC.

DMXE / DMXR counters

The duration of a sample may be configured in class 24, recurrence 0, parameter 33. The value is between 1 and 180 in steps of 10 seconds.

For synchronous X.25, three bytes are added per received or transmitted frame; one for the flag and two for the CRC.

TE / TR counters

The duration of the speed samples can be configured in class 24, recurrence 0, parameter 33. Its value must be between 1 and 180 in steps of 10 seconds.

The reference values (the line speed) enabling to calculate the threshold is found in class 12, recurrence x (x = line number), parameters 28 for synchronous lines and in class 13, recurrence x, parameter 11 for asynchronous lines.

The accuracy of the value depends on the duration of the time-out.

The shorter the duration, the better the accuracy.

TC1 counter

TC2 Counter

NB1 counter

NBAPE counter

NBAPR counter

LEE / LDE / LOE / LRE / LAE counters

LEE -> cause = 00 or cause >= 80;

LDE -> cause = 09;

LOE -> cause = 01;

LRE -> cause = 05;

LAE -> other types of causes.

LDG / LOG / LAG counters

LDG -> trouble;

LOG -> busy or congestion;

LAG -> other types of causes.

LER counter

TDB counter

TKO counter

TCE/TCR counters

Access

The syntax of the access code is:

  DNIC ZO 99D IS PASSWORD (CR)

When, the command has been sent and the communicaiton has been established, the extended statistics functions is ready to accept commands.

Command description

The command entered by the user must have the following format:

SL TYPE OPTION LINE (CR)

[CR] is obligatory; it indicates the end of the command.

Only one <OPTION> parameter and one <LINE> number may be requested in one command.

When the parameter <OPTION> is not present in the command then all sections are taken into account.

When the parameter <LINE> is not present in the command, all configured lines are taken into account.

When the parameter "G" is used, no line number must be entered.

Reception of a command when an earlier command is in progress, does not take into account the first command and sends the message: "COMMAND IN PROGRESS".

Reception of a command with a wrong syntax sends the message: "ERRONEOUS COMMAND".

Examples:

"SL A" : this command sends all statistics information collected the current day about the equipment and its configured lines.

"SL HG" : this command sends the global counters of the equipment which were collected the previous day.

"SL AC3" : this command sends the throughput counters of line 3 of the current day if this line and this type are configured.

"SL AS" : this command sends the signalling counters of all lines on which this is configured for equipment acquired during the current day.

IMPORTANT

Depending on the protocol used on the link, some counters are not managed or are only partially managed.

The counters of the load CHARGE type are managed except when the link is of the ISDN D channel type.

The counters of the SIGNALLING type are managed only by links of the PAD or PAV asynchronous type and X.25 synchronous lines. For lines having other protocols, this type is partially managed or not managed at all.

The counter of the TOTALIZER type are managed only by links of the X.25 synchronous type. The lines having other protocols, this type is only partially or not managed at all.

The counters of the COMPRESSION type are managed whatever the protocol used on the link.

When a counter is not managed, it has the value 0. When a counter is partially managed, it does not count all the entities that it would count if it were totally managed.

Complete example

Command "SL A" :

Command "SL HT" :

Command "SL HG" :

Command "SL AC1" :

Command "SB AS" :

Setting the equipment clock

SETTING THE HOURS

The change of the hours may be carried out by means of the "Statistics" management function. The command is "Hn" where "n" is a decimal number between 0 and 23, representing the hour.

The actions realized by the "Extended Statistics" management function on the different types are:

• copy the counters from the old time period to the new one,

• reset of the occupied time period if the new time setting is lower than the old one,

• reset of the old time period if the new time setting is higher than the old one,

Day counters change their time with less or more than 24 hours. The hour and sampling counters are still valid after modification.

SETTING THE MINUTES AND SECONDS

Changing the minutes and seconds is carried out by means of the "Statistics" management function. The command is "Dn" where "n" is a decimal number between 0 and 35999. It represents the new number of minutes, seconds and tenths of seconds of the current hour.

For the types of the "Extended Statistics" function: no action.

The day and hour counters have their time period increased or decreased depending on the direction of the change of time. Sampling counters are still valid after the modification: just the number of samples taken is lower or higher than normal.

Posted: Thu Jan 25 13:53:02 PST 2001
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