Avaya Business Communications Manager 5.0 - Fault and Performance Management User's Manual
Contents
1. Solid yellow Solid yellow Power applied to the system Solid yellow Off Power on self test POST 9 seconds Solid yellow Solid yellow System initialization 14 seconds Solid green Solid yellow Kernel initialization 8 seconds Solid green Flashing green Services initialization 1 minute Solid green Solid green System running normal operation Solid green Solid red Services initialization failure Solid red Solid green System running with manufacturing settings enabled Solid red Solid red System running in software reset mode Solid red Flashing yellow System running in configuration reset mode Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks System LEDs reference Solid green Off Solid red Solid red Flashing red Solid yellow Off Flashing yellow Flashing green Solid green Blink yellow Flashing yellow Solid yellow Flashing yellow Solid red Solid red Solid red Off Flashing yellow Flashing green Solid green Blink red Graceful shutdown in progress Graceful shutdown completed Overheating detected thermal shutdown completed Power spike or rail power fluctuation detected Rail power fluctuation power monitor shutdown completed Power spike shutdown completed No power system is shut down power cable is disconnected Start up profile executi2. Configure alarm behavior to specify the following settings for alarms e the maximum number of alarms to display in the Alarms Panel from 100 to 1000 e whether to enable or disable SNMP traps for selected alarms if you have specified an SNMP trap destination by default you will receive all Critical and Major alarms Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Using the BCM fault management system e whether to display selected alarms in the Alarms table by default all Critical Major Minor and Warning alarms are displayed in the Alarms table e whether to display selected alarms on the alarm set by default only core telephony Critical and Major alarms are sent to this set e use email forwarding Use the Alarm Setting panel to select the Notification Type which describes where the alarm will be presented and Profile Selection which selects an alarm profile Use the following procedure to select a Notification Type and an Alarm Profile Click on the tab Open the folder and then click the task The Alarm Settings panel opens Select the that you want from the list Select the that you want from the list Use the following procedure to enable to disable SNMP traps for alarms Click the tab Open the folder and then click the task Nortel Business Communications Manager
3. Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks The information in this section applies to both the BCM50 and the BCM450 platforms running BCM 5 0 You can use the Business Element Manager to view detailed information about the performance of the BCM and about the performance of system resources This chapter provides procedures for monitoring quality of service QoS and other system metrics Using the Business Element Manager you can monitor overall system performance and other performance related information You can monitor system metrics using the following tools e QoS Monitoring e UPS Status e NTP Metrics This section contains information on the following topics e QoS Monitoring page 33 e UPS metrics page 37 e NTP metrics page 38 QoS Monitor monitors the quality of service QoS of IP trunk services The tool periodically monitors the delay and packet loss of IP networks between two peer gateways The main objective of the QoS Monitor is to allow new IP telephony calls to fall back to the PSTN if the voice quality of the IP network falls below the specified transmit threshold For information about setting the transmit threshold see NN40170 502 You can set the threshold in the Business Element Manager in the Telephony Resources panel Nortel Business Communications Manager 5 0 Fault
4. The Number of intervals Errored Seconds Severely Errored Seconds Unavailable Seconds appear in the summary Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Click to reset new settings The system displays a message indicating that this will remove all of the statistics Click to erase all the current statistics and begin collecting statistics again Check the CSU alarms to view the active loss of signal LOS out of frame OOF remote alarm indicator RAI or alarm indication signal AIS alarms Select Select a module Click the tab The display shows all the active alarms of the types LOS loss of signal OOF out of Frame RAI Remote alarm indicator or AIS Alarm indication signal Check carrier failure alarms to view a history of alarms for a module CFA types reported by the BCM can be mapped to CFAs defined in TIA 547A and TR62411 as shown in the table below Select Select a module Click the tab The display shows LOS loss of signal OOF out of Frame AIS Alarm indication signal and RAI Remote alarm indicator Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Select the type of alarm you w
5. Copyright 2009 Nortel Networks Fault and performance management fundamentals e onthe alarm banner on the bottom right corner of the Business Element Manager e onthe alarm set You can view real time alarm information using the Alarms Panel in the Business Element Manager Each alarm has a unique identifier Alarms are displayed in the Alarms table sorted by date and time by default with the newest at the top of the table The Alarms table displays from 100 to 1000 alarms For information about setting the number of alarms that are displayed see Configuring the alarm set page 24 The Alarms table contains the following elements e Time the date and time of the alarm e Alarm Acked indicates whether the Business Element Manager has acknowledged the alarm e Alarm ID the unique alarm ID associated with the alarm e Severity the severity of the alarm Critical Major Minor Warning and Information e Problem Description a description of the alarm condition e Component ID the process that has generated the alarm in a 3 part DN format The component ID always identifies the system as a BCM includes the name of the system that generated the alarm and identifies the component that generated the alarm In this way remote monitoring stations can easily identify what type of system generated an SNMP trap and which system generated the trap When you select an alarm in the table an Alarm Details pan
6. Count desktop Displays the number of times a desktop client violated a threshold Count Displays the number of times a soft client violated a threshold softclient MTBV desktop Displays the mean time between threshold violations of a particular metric for desktop clients measured in seconds MTBV soft client Displays the mean time between threshold violations of a particular metric for soft clients measured in seconds Reset metrics Click this button to clear out the metrics table The Last reset time displays the current date and time This section contains information on the following topics e Enabling Activity Reporter Basic page 48 e Disabling Activity Reporter Basic page 49 Activity Reporter Basic allows you to monitor the performance of the BCM You can use the Activity Reporter Basic to generate the following reports e telephone call activity e custom call routing activity e voice mail receive statistics e hunt group performance When you enable Activity Reporter Basic the BCM automatically generates reports and updates them each night The reports reflect the performance of the BCM during the past four days The panel displays the date and time of the most recent report Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Select The Activity R
7. Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Fault and performance management fundamentals Although the BCM system provides a default mapping of alarms that are displayed in the Alarms table and that are sent as an SNMP trap you may want to monitor additional alarms using either of these means or you may want to reduce the number of alarms that are displayed in the Alarms table or sent via SNMP traps You can specify how each alarm is handled according to your business requirements You can specify the following settings for alarms e the maximum number of alarms displayed in the Alarms Panel from 100 to 1000 e whether to enable or disable SNMP traps for selected alarms by default the system sends all Critical and Major alarms as SNMP traps if you specify one or more trap destinations e whether to display selected alarms in the Alarms table by default all Critical Major Minor and Warning alarms are displayed in the Alarms table e whether to display selected alarms on the alarm set by default only Critical and Major alarms are sent to this set You can also test a selected alarm This allows you to test whether the LED or SNMP traps are functioning as expected Testing an alarm generates an alarm in the system Alarms generated using the Test Alarm feature are identified in the Alarms table by the words Test Event in the alarm Problem Desc
8. Select Select a module Click the tab The display shows all the alarms To view a specific alarm click the alarm name The display shows all the occurrences of that alarm This section contains information on the following topics e Accessing CbC limit metrics page 58 e Clearing CbC limit metrics page 60 Call by call service CbC on public PRI protocol NI 2 allows a PBX to use channels more effectively by expanding or contracting the number of channels available to different call types such as INWATS OUTWATS Foreign Exchange FX and tie lines The call by call service is a method of offering and receiving services to Customer Premises Equipment CPE on ISDN PRI without the use of dedicated circuits i e interface or B channels The Call By Call service conveys signaling information over an ISDN Primary Rate Interface PRI that indicates on a per call basis the specific service type required to complete the call Although PRI MCDN and IP trunks do not have multiple call types CbC limits can be used on these trunks to limit the number of incoming or outgoing trunks that may be in use simultaneously When the CbC the feature is configured use the CbC Limit metrics panel to monitor denied call activity for each service on each line pool Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metri
9. is the alarm ID and YYYY is additional alarm information The following options are available when an alarm is sent to the alarm set e Time indicates the date and time when the alarm occurred e Clear use this soft key to remove the alarm from the alarm set Clearing an alarm from the alarm set does not change the status of alarms on the Business Element Manager or reset the LEDs on the front panel of the unit When an alarm is displayed on the alarm set it remains visible until you clear the alarm by using a softkey on the alarm set More recent alarms are not be displayed until the current alarm is cleared on the alarm set The following figure shows an example of an alarm on the alarm set Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Fault and performance management fundamentals You can forward alarms to email and use the email forwarding option to e monitor alarms on the BCM e forward alarms to a third party for the BCM support Destinations you have provisioned to receive alarms have the following parameters e variable number of TO recipients e variable number of CC recipients e From field e Simple Mail Transfer Protocol SMTP server field that can be IP address or hostname e SMTP port e option to enable Transport Layer Security TLS e option to enable authentication e username and
10. it traverses a network e round trip delay e listening R factor the transmission quality as experienced by the user this metric reflects the segment of the call that is carried over the RTP session There are two thresholds for PVQM metrics Warning and Unacceptable A violation of the Warning threshold indicates that the voice quality is reduced but is still within an acceptable range A violation of the Unacceptable threshold indicates a severe degradation in voice quality If an alarm is generated to report a threshold violation additional information is included in the alarm to indicate the source of the alarm and provide other troubleshooting information Table 11PVQM Alarms page 43 lists the abbreviations used in the alarm text to present this additional information cT codec type alphanumeric eT endpoint type SorD nLR network loss rate percentage scaled by 256 e g 354 1 4 dR average discard rate percentage scaled by 256 bD burst loss density percentage scaled by 256 bL burst length milliseconds gD gap loss density percentage scaled by 256 gL average length of gap milliseconds eSD end system delay milliseconds Vocoder type used on this call S indicates softclient D indicates desktop Rate of network packet los Average rate of discards due to jitter Density of lost and discarded packets during burst periods Average length of bursts Density of lost and discarded packets during gap peri
11. password for SMTP authentication The following alarm details are included in the alarm email notification e title hostname alarm severity alarm ID e email body date of alarm alarm ID alarm severity alarm description alarm resolution Use the Test Alarm feature in the Business Element Manager to test the settings If any of the destinations do not successfully receive the email the alarms are not retransmitted To view the alarms log into the Business Element Manager or download the alarm systemlog Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Fault and performance management fundamentals Emails are not sent under the following conditions e network failure between the BCM and the SMTP server e invalid SMTP server address or SMTP port e conditions causing the SMTP server to reject the email including wrong TO address wrong FROM address or incorrect user ID and password details An alarm profile simplifies alarm management by automatically enabling or disabling alarms in bulk based on their severity This can be done for each supported alarm destination BCM supports five profiles as detailed in Table 2 The BCM supports the following alarm destinations e Business Element Manager alarm list viewable in the alarm panel of the Business Element Manager Email alarm is
12. 1 Standard August 2009 Copyright 2009 Nortel Networks Using the BCM fault management system Use the alarm banner to view current alarm counts and recent alarm activity on the BCM system Use the following step to include or omit acknowledged alarms in the Alarm Banner Select or clear the check box in the Alarm Banner Use the alarm set to monitor alarm activity without having a Business Element Manager and a personal computer Use the following steps to configure the alarm set Click the tab Open the folder Open the folder and then click the task The Feature Settings page opens In the area enter the DN of the telephone set that you want to use for the alarm set in the field Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Using the BCM fault management system Use the following step to clear an alarm from the alarm set On the alarm set press the soft key The alarm is cleared from the alarm set Use the Business Element Manager to reset the Status LEDs on the front panel of the BCM to a normal state Use the following steps to reset the status LED Click the tab Open the folder and then click the task The Alarms pane opens On the pane click the button The Status LED on the front panel of the BCM is reset from red to normal operation green
13. 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Using the BCM fault management system In the table select an alarm In the column select or clear the check box to enable or disable SNMP traps for the selected alarm If you select the check box for a selected alarm an SNMP trap will be generated if that particular alarm condition occurs Use the following procedure to enable or disable alarms Click the tab Open the folder and then click the task The Alarm Settings pane opens In the table select an alarm In the Enable GUI View column select or clear the check box to enable or disable a view of the selected alarm in the Alarms Panel If you clear the check box for a selected alarm the alarm will not be displayed in the Alarms table if that particular alarm condition occurs in the system Use the following procedure to monitor settings for the alarm set Click the tab Open the folder and then click the task The Alarm Settings pane opens Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Using the BCM fault management system In the table select an alarm The column indicates whether the alarm will display on the alarm set Use the following procedure to test an alarm Click the tab Open the
14. M hardware provide information about the status of the system For more information see System LEDs reference page 65 This document provides a reference to alarms supported on the BCM system For information about the alarm reference see Alarm reference page 67 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Copyright 2009 Nortel Networks The information in this document applies to both the BCM50 and the BCM450 platforms running BCM 5 0 This document contains information about how to manage alarms generated by the BCM 5 0 system and administer alarm settings e Fault and performance management fundamentals page 11 e Using the BCM fault management system page 21 e Alarm Severity reference page 31 e System metrics monitoring page 33 e Telephony metrics monitoring page 41 e System LEDs reference page 65 e Alarm reference page 67 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Introduction Copyright 2009 Nortel Networks The information in this chapter applies to both the BCM50 and the BCM450 platforms running BCM 5 0 This section provides information about managing alarms generated by the system and administering alarm settings e BCM fault management scope
15. NORTEL Fault and Performance Management Release 5 0 Document Revision 01 01 NN40170 701 Document status Standard Document issue 01 01 Document date August 2009 Product release BCM 5 0 Job function Fault and Performance Type Technical Publication Language type EN Copyright 2009 Nortel Networks All Rights Reserved NORTEL the globemark design and the NORTEL corporate logo are trademarks of Nortel Networks Features 7 Fault management 7 System metrics 7 Telephony metrics 7 LED status 7 Alarms 7 BCM fault management scope 11 BCM alarms 12 Alarms and log files 12 Alarm severities 12 Alarm administration 12 Alarms and the Alarms Panel 13 Alarm banner 14 Alarm set 15 Alarm to email forwarding 16 Alarm profile 17 Alarms andLEDs 18 SNMP traps manager for remote monitoring 18 Alarm configuration scope 19 Administering alarms 21 Monitoring an alarm condition 22 Acknowledging an alarm 22 Clearing the alarm log 23 Using the alarm banner 24 Including or omitting acknowledged alarms in the Alarm Banner 24 Using the alarm set 24 Configuring the alarm set 24 Clearing an alarm from the alarm set 25 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Contents Responding to LED indicators 25 Reset the status LED 25 Configuring alarm behavior 25 Notifying and selecting an al
16. STN Fallback Metrics panel Click the tab In the Navigation tree click The PSTN Fallback Metrics panel appears with the metrics displayed Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Last reset time The date and time the metrics table was last reset Fallback requests The number of calls unable to route through the preferred trunk Fallback failures The number of calls unable to route though the fallback trunk Use this procedure to clear the PSTN Fallback Metrics panel Click the tab In the Navigation tree click The PSTN Fallback Metrics panel appears with the metrics displayed Click the button Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Copyright 2009 Nortel Networks The information in this section applies to both BCM450 and BCM50 platforms running BCM 5 0 This section provides information about the main unit LED status during normal operation startup and reboot e System status monitor LEDs page 65 The BCM system status LEDs on the main unit provide information about the status of the BCM system Use these LEDs to determine if the system is functioning properly and if the system generates an alarm
17. addresses separated by comma that the mail will be sent to CC address A series of email addresses separated by comma that the mail will be CC ed to From address The email address the alarm will be sent from Default is bcm5 0 nortel com Use encryption Select Use encryption check box to enable TLS encryption Default is disabled SMTP authentication Select SMTP authentication check box to enable SMTP authentication Default is disabled Use the following procedure to enable or disable forwarding of alarms to the SMPT destinations Click on the tab Open the folder and then click the task The Alarm Settings panel opens In the table select an alarm In the column select or clear the check box to enable or disable forwarding of alarms If you clear the check box the email is not sent to the selected SMTP destination Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks The information in this section applies to both the BCM50 and the BCM450 platforms running BCM 5 0 This section contains information about Alarm Severities default mapping of security levels and Alarm graph colors in the Business Element Manager e Alarm Severities page 31 e Default mapping of severity levels page 31 e Alarm graph colors in the Business Element Manager page 32 Alarm severities are as follows Criti
18. al state Once the Status LED has changed to red in response to a Critical or Major alarm condition it remains in the alarmed state until you reset it using the Business Element Manager For information about LEDs and what they indicate see System LEDs reference page 65 You can use an SNMP trap manager to remotely monitor BCM alarms via SNMP traps A trap is an indication from the BCM system to configured trap managers that an alarm has occurred in the BCM system Any BCM alarm can generate an SNMP trap If you want the BCM to send SNMP traps you must first configure the SNMP agent using the Business Element Manager You must enable an SNMP agent and then configure how the system handles SNMP trap notifications For information about configuring SNMP settings see Enabling or disabling SNMP traps for alarms page 26 The BCM system uses the Small Site Events Management Information Base MIB for alarms The trap format is specified in this MIB You capture and view traps using any standard SNMP fault monitoring framework or trap watcher By default the BCM sends SNMP traps for alarms with a severity of Major and Critical You can change the default alarms that are set for SNMP to limit the volume and type of SNMP information and to control essential information that is transferred on the network For information about how to change the default alarms see Configuring the alarm set page 24 Nortel Business Communications
19. alarm log e email notification for example configuring settings so you receive notification about all critical alarms Software components that run on the BCM system generate alarms related to BCM services and applications Each component includes a range of alarm IDs so each BCM alarm retains a unique alarm ID The system logs all alarms that appear in the Business Element Manager Alarms Panel in the alarms systemlog file This file is capped at 1 MB in size when the file reaches this size the system creates a new alarms systemlog file The BCM keeps the current file as well as three previous files A new file starts when the BCM system reboots You can retrieve the alarms systemlog files the current file and the three previous files from the BCM system using the Log Management task in the Business Element Manager You can view the files using the BCM Log Browser For more information see the NN401 70 603 By default all major and critical alarms are visible on the alarm set sent as email or SNMP traps Most but not all alarms are visible in the Business Element Manager Alarm Panel When BCM raises a Critical Major Minor and Warning alarm this is reflected in the Alarm Banner Alarm information can be delivered to you by any of the following means e ona table on the alarms panel e email notification Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009
20. an use the trunk module selection to disable and enable modules and devices Select The window displays the locations for the modules connected to the system Select the module that you want to view Click to start the network test without having to remove the module Select a loopback type from the list Click when done the test of the network The Performance History tab displays the performance information over 15 minute intervals collected in the past 24 hours The performance information collected includes the number of errored seconds severely errored seconds and unavailable seconds over each 15 minute interval Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Select Click the tab to view metrics information The D channel tab displays trunk module metrics for the D channel e You must have a BRI trunk module configured on the BCM system Select Select the BRI module Click the tab to view metrics information If you need to isolate a problem you can turn off individual port channels rather than the entire module Select The Trunk Modules window displays the MBM location type state and Loopback test Click the heading of the bus you want to view Click the tab in the lower menu marked B channels Nortel Busines
21. and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks System metrics monitoring This task flow shows you the sequence of tasks you perform to monitor QoS statistics on the BCM system To link to any procedures click on QoS system metrics monitoring procedures navigation page 34 QoS system metrics monitoring T Configuring the QoS monitor Configuring QoS logging attributes Viewing QoS system netrics e Configuring the QoS monitor page 35 e Configuring QoS logging attributes page 35 e Viewing QoS logs page 36 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks System metrics monitoring You configure the QoS Monitor using the QoS Monitor panel on the Administration tab You can configure the following e the monitoring mode e logging parameters Click the tab In the Navigation tree click From the drop down menu select a monitoring mode Disabled Enabled in Link Monitor mode Continuously test the connection between the BCM and remote endpoints Enabled in QoS Monitor mode Select this option if you want to calculate MOS values for each endpoint determine whether the connection has fallen below a specific threshold send MOS scores to FCAPS applications and create a log history of the MOS scores Con
22. ant to view Select a time period The display shows the start time of the period LOS CFA RED CFA RED CFA OOF CFA RED CFA RED CFA AIS CFA RED CFA AIS CFA RAI CFA YELLOW CFA YELLOW CFA Check bipolar violations to view the number of bipolar violations occurring within the defined time period Select Select a module Click the tab The display shows the number of bipolar violations that occurred in the last minute Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Check short term alarms to view the number of alarms within the last minute Select Select a module Click the tab The display shows the short term alarms and the number of milliseconds not necessarily contiguous that were active in the last minute Check defects to view the first type of defect in the last minute Select Select a module Click the tab The display shows the first type of defect and the number of milliseconds not necessarily contiguous the hardware reported in the last minute Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring View CSU alarm history to view all occurrences of a specific alarm
23. arm profile 26 Notify and select an alarm profile 26 Enabling or disabling SNMP traps for alarms 26 Enabling or disabling monitoring for selected alarms 27 Monitoring settings for the alarm set 27 Testing an alarm 28 Configuring an email 28 Adding modifying and deleting an email account 29 Enabling or disabling forwarding of alarms 30 Alarm Severities 31 Default mapping of severity levels 31 Alarm graph colors in the Business Element Manager 32 QoS Monitoring 33 Configuring the QoS monitor 35 Configuring QoS logging attributes 35 Viewing QoS logs 36 UPS metrics 37 Accessing the UPS status 38 NTP metrics 38 Accessing the NTP metrics 39 Proactive Voice Quality Management 41 Setting the PVQM threshold settings 43 Viewing PVQM telephony metrics 47 Activity Reporter Basic 48 Enabling Activity Reporter Basic 48 Disabling Activity Reporter Basic 49 Trunk module metrics 50 Viewing the trunk module status 50 Viewing performance history information 50 Viewing D channel information 51 Disabling or enabling a B channel setting 51 Provisioning a PRI B channel 52 Trunk module CSU statistics 52 BCM trunk module CSU statistics navigation 53 Enabling the internal CSU 54 Checking the performance statistics 54 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Contents Checking the CSU alarms 55 Checking carrier failur
24. cal Major Minor Warning Information Immediate corrective action is required due to conditions such as loss of service loss of bandwidth outage loss of data and or functionality Urgent corrective action is required due to conditions such as pending loss of service outage loss of data and or functionality Corrective action is required to prevent eventual service affecting degeneration Indicates the detection of a potential or impending service affecting condition and that some diagnostic action is required Indicates audit type information such as configuration changes Use the following table to view the default mapping of each severity level against the Alarms Panel alarms set LEDs and SNMP Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Alarm Severity reference Critical Yes Yes Yes Yes Yes Major Yes Yes Yes Yes Yes Minor Yes No No No Yes Warning Yes No No No No Information Yes No No No Yes Use the following table to view alarm graph colors in the Business Element Manager Green There are no alarms of this severity or there are alarms of this severity but the count has decreased since the last polling interval Yellow There are alarms of this severity but they are older than at least one polling interval Red A new alarm has occurred since the last polling interval
25. call expressed as a percentage Inter arrival Jitter The inter arrival time of incoming RTP packets as defined in RFC 1889 Expressed in milliseconds RTCP Round Trip Delay The round trip time of incoming RTP packets as defined in RFC 1889 Measured in milliseconds Listening R Factor A scale from 0 lowest quality to 100 highest quality according to ITU T G 107 Warning desktop The number of warnings you can receive for a desktop phone model The value ranges and default thresholds are as follows Packet Loss Rate The value range for this metric is 0 to 100 The default value for warning thresholds is 1 Inter arrival Jitter The value range for this metric is O to 1000 The default value for warning thresholds is 50 ms RTCP Round Trip Delay The value range for this metric is O to 1000 The default value for warning thresholds is 300 ms Listening R Factor The value range for this metric is 0 to 100 The default value for warning thresholds is 65 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Unacceptable desktop Warning softclient Unacceptable softclient The number of unacceptable errors you can receive for a desktop phone model The value ranges and default thresholds are as follows Packet Loss Rate The value range for this me
26. cs monitoring PRI lines that support call by call services have maximum and minimum call limits for each service Use this panel to view reports for the services and to assess the capacity of the PRI call services on your system These limits are set as part of the numbering plan programming Click the tab In the Navigation tree click In the table select the line pool for which you want to view CbC traffic The denied call details for each type of service supported by the line pool appears in the Details for Pool table Line Pool Service Type INCOMING due to Outgoing Min due to Incoming Max OUTGOING due to Incoming Min due to Outgoing Max The pool of lines that call by call limits are applied to The type of service that the limits apply to The number of incoming calls that have been blocked due to the call by call limits The number of incoming calls that have been blocked due to call by call limits The number of outgoing calls that have been blocked due to the call by call limits The number of outgoing calls that have been blocked due to the call by call limits Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Use this procedure to clear the Details for Pool table of the current CbC limit metrics and start a new mon
27. e Displays the name of the Remote Gateway IP Address Displays the IP address of the Remote Gateway QoS Indicator Displays a text description of the current MOS value The MOS values can be Poor Fair Good or Excellent Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks System metrics monitoring G 711 G 723 5 3kbit s G 723 6 3kbit s G 729 G 729A Displays the current MOS value calculated when using a G 711 aLaw codec to transmit VoIP packets to this Remote Gateway The MOS can be a value from 0 00 to 5 00 where 0 00 is the worst score Poor and 5 00 is best score Excellent Displays the current MOS value calculated when using a G 723 5 3 kbit s codec to transmit VoIP packets to this Remote Gateway The MOS can be a value from 0 00 to 5 00 where 0 00 is the worst score Poor and 5 00 is best score Excellent Displays the current MOS value calculated when using a G 723 6 3 kbit s codec to transmit VoIP packets to this Remote Gateway The MOS can be a value from 0 00 to 5 00 where 0 00 is the worst score Poor and 5 00 is best score Excellent Displays the current MOS value calculated when using a G 729 codec to transmit VoIP packets to this Remote Gateway The MOS can be a value from 0 00 to 5 00 where 0 00 is the worst score Poor and 5 00 is best score Excellent Displays t
28. e alarms 55 Checking bipolar violations 56 Checking short term alarms 57 Checking defects 57 Viewing CSU alarm history 58 CbC limit metrics 58 Accessing CbC limit metrics 58 Clearing CbC limit metrics 60 Hunt group metrics 60 Accessing Hunt Group metrics 60 Resetting the Hunt Group metrics 62 PSTN Fallback metrics 62 Accessing PSTN Fallback metrics 62 Resetting PSTN Fallback metrics 63 System status monitor LEDs 65 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Copyright 2009 Nortel Networks The information in this chapter applies to both the BCM50 and the BCM450 platforms running BCM 5 0 This document contains information about the alarms and performance metrics supported in the BCM system in Release 5 0 e Features page 7 This document contains information about the following features in Release 5 0 You can view and manage alarms and SNMP traps on the BCM system For more information see Using the BCM fault management system page 21 You can view detailed information about the performance of the BCM and about the performance of system resources For more information see System metrics monitoring page 33 You can view detailed information about the performance of telephony services on the BCM system For more information see Telephony metrics monitoring page 41 The LEDs on the BC
29. e is displayed for the selected alarm The Alarm Details pane displays the following information e Time the date and time of the alarm e Problem description a description of the alarm condition e Problem resolution the course of action for the alarm You can acknowledge an alarm to indicate that you are troubleshooting an alarm You can specify whether to include acknowledged alarms in the Alarm Banner so that the alarm count remains concise For more information about the Alarm Banner see Alarm banner page 14 The alarm list in the Business Element Manager remains after BCM reboots Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Fault and performance management fundamentals You can use the Alarm Banner in the Business Element Manager to view current alarm counts and recent alarm activity on the BCM system The Alarm Banner appears on the bottom right corner of the Business Element Manager window The Alarm Banner is visible at all times so you do not have to navigate to the Alarms Panel to view alarms If you notice a change in alarm conditions in the Alarm Banner for example a red spike in the Critical category you can navigate to the Alarms Panel to view the actual alarm 4 M0 m2 po o8 Vv Include 4CKed alarms The Alarm Banner provides counts of Critical Major Minor and Warning alarms Inf
30. e tab In the Navigation tree click tab The status of the UPS appears The UPS Status panel confirms that a UPS is connected including model and serial number its current status and provides a read out of the current values Additionally an indication is given whether the value is within the normal range or not To check the metrics of the UPS click the tab The metrics information appears in the panel Using Network Time Protocol NTP you can configure the time on the BCM indirectly from a single time server NTP is a network protocol designed to synchronize the clocks of computers over an IP network The NTP Metrics provide an overview of the integrity of the NTP time source If the BCM clock control has not been configured to use NTP Configuration gt System gt Date amp Time then the NTP Metrics panel displays no data Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks System metrics monitoring Complete this procedure to view NTP metrics Click the tab In the Navigation tree click The NTP metrics appear in the panel Last Synchronized When the last synchronization occurred Minimum time difference s The minimum time change that occurred since NTP was running Maximum time difference s The maximum time difference that occurred since NTP was running Last Synchronization Status T
31. eporter Basic panel appears In the Activity Reporter Basic panel select the checkbox to activate Activity Reporter Basic From the reports drop down menu select a time to generate daily Enable daily data collection Collection Time Most recent data collection Select or clear the check box to enable Activity Reporter Basic Set the time at which the daily reports are generated The default time is set at 12 30 am Displays a timestamp of the time at which data was last collected When you disable Activity Reporter Basic the BCM does not generate performance reports Select The Activity Reporter Basic panel appears In the Activity Reporter Basic panel clear the check box to deactivate Activity Reporter Basic Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Enable daily data collection Clear the check box to disable Activity Reporter Basic This section contains information on the following topics Viewing the trunk module status page 50 Viewing performance history information page 50 Viewing D channel information page 51 Disabling or enabling a B channel setting page 51 Provisioning a PRI B channel page 52 View the trunk module status to isolate malfunctioning parts of your BCM system In addition you c
32. figure the logging attributes to set the size and frequency of QoS logs Click the tab In the Navigation tree click In the Logging area select or clear the check box In the field type the value of the maximum log size allowed Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks System metrics monitoring In the field type the value of the interval between logs After the interval you specified the QoS system metrics appear in the Mean Opinion Scores table Enable Logging Enable the check box if you want to enable the logging of MOS scores Maximum log file size Enter a value for the maximum size of the log file from 1 to 10240 kilobytes KB The default is 10 KB Logging Frequency Enter the time interval between each MOS log 1 to 1440 minutes The default is 1 minute The Mean Opinion Scores table displays the current network quality described as a Mean Opinion Score MOS for each IP destination You can view the MOS mapping Unlike the BCM 3 x where both transmit and receive values were reported the QoS Monitor collects only the transmit values Click the tab In the Navigation tree click The QoS system metrics appear in the Mean Opinion Scores table To update the MOS table with the most current values select press or select the icon from the toolbar Nam
33. folder and then click the task The Alarm Settings pane opens In the table select an alarm Click the button In the Alarms table Test Event is displayed in the alarm Problem Description field Use the Email Setting panel in the Business Element Manager to set and retrieve the SMTP settings Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Using the BCM fault management system Use the following procedure to add modify or delete an email account Click on the tab Open the folder and then click on the task The Email Settings panel appears To add an email account click the button The Add Account panel appears Configure the parameters Click to add an email account To modify an email account select an email account that you want to modify Modify the attributes by clicking the button To delete an email account select an email account that you want to delete Click the button A confirmation message appears Click to confirm to deletion Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Using the BCM fault management system SMTP server Hostname or IP address of SMPT server SMTP port The port for the SMPT server Default is 25 To address A series of email
34. he current MOS value calculated when using a G 729A codec to transmit VoIP packets to this remote Gateway The MOS can be a value from 0 00 to 5 00 where 0 00 is the worst score Poor and 5 00 is best score Excellent BCM can support an Uninterruptible Power Supply UPS device to ensure continuous operation during power interruption and failure conditions The UPS feature provides power source monitoring and battery backup so that critical system functionality required to maintain and provide warning time to either correct the problem or to activate a contingency plan for impacted services is possible UPS is described in NN40170 303 and NN40170 302 or the NN40170 308 The UPS connects and communicates with the BCM through USB Enable the UPS feature by plugging the UPS USB cable into the BCM USB connector before you power up the BCM The UPS must be present during the boot up process for the BCM to function Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks System metrics monitoring The UPS Status panel tracks occurrences of alarms pertaining to UPS operation These alarms are also sequentially viewable in the Alarm panel The metrics correspond to alarms in the BCM and appear in the alarm panel as well Complete this procedure to verify the status of the UPS before you boot up the BCM system Click th
35. he results of the last synchronization successful or unsuccessful If unsuccessful the reason for the failure is given failed to contact or failed security check A status of Not Running indicates that NTP is not configured Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Copyright 2009 Nortel Networks The information in this section applies to both the BCM50 and the BCM450 platforms running BCM 5 0 You can use the Business Element Manager to view detailed information about the performance of telephony resources on the BCM 5 0 system The Telephony Metrics folder allows you to track different aspects of Telephony services This section contains information on the following topics e Proactive Voice Quality Management page 41 e Activity Reporter Basic page 48 e Trunk module metrics page 50 e Trunk module CSU statistics page 52 e CbC limit metrics page 58 e Hunt group metrics page 60 e PSTN Fallback metrics page 62 Use Proactive Voice Quality Management PVQM metrics to monitor the quality of VoIP calls You can also use the PVQM metrics to diagnose infrastructure problems in your network PVQM is fully supported on Phase 2 IP sets Phase 1 IP sets support only the following PVQM metrics packet loss inter arrival jitter and rould trip delay The following table lists the IP Ph
36. itoring period Click the tab In the Navigation tree click In the table select the line pool for which you want to view CbC traffic The denied call details for each type of service supported by the line pool appears in the Details for Pool table Select one of the calls in the list Click the button This section contains information on the following topics e Accessing Hunt Group metrics page 60 e Resetting the Hunt Group metrics page 62 Hunt groups provide a service where incoming calls ring on a targeted group of telephones called a Hunt group When you designate a Hunt group you define the group as a unique Directory Number DN This DN receives and distributes calls to the telephones assigned to the group You can include Hunt Group hourly metrics files with the CDR data files when the are transferred to the central server For more information on configuring this option refer to the NN40020 605 Access the Hunt Group metrics to evaluate total call processing by hunt group member Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Click the tab In the Navigation tree click The Hunt Groups table appears In the table select the Hunt Group for which you want to see metrics The Details for Hunt Group table appears Hunt Grou
37. mmunications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard Copyright 2009 Nortel Networks August 2009 Telephony metrics monitoring Polling interval s The interval at which the metrics are polled The value for this field is XXXXX The default value is XXXXX The term desktop indicates IP sets that are desktop models The term soft client indicates IP sets that are software applications such as the 2050 and the 2050MVC Because desktop IP sets can provide better voice quality than software based IP sets you can specify different threshold levels for each type of IP set Use this procedure to view PVQM metrics Click the tab In the Navigation tree click The PVQM metrics panel appears Click a column heading to sort the metrics by a particular value Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Number of connections Displays the total number of connections by IP sets on the system since the last reset This count includes non interactive features such as dial tones call progress tones and music on hold Last rest Displays the time of the last reset Most recent date and time Displays the time of the most recent threshold violation Most recent DN Displays the DN of the most recent threshold violation
38. ng Start up profile completed USB device can be removed Start up profile successfully applied Start up profile failure Nortel Business Communications Manager 5 0 Copyright 2009 Nortel Networks Fault and Performance Management NN40170 701 01 01 Standard August 2009 For a list of alarms generated by the BCM system see the NN40170 702 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Copyright 2009 Nortel Networks
39. ods average length of gap Average end system delay on the call Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring aNL noise level dBm Measured received silent period noise level aSP average signal level dBm Measured received signal level during talk spurts rTT local round trip time 1 65536 of a second Average round trip time on the average eal Click the tab In the Navigation tree click The Proactive Voice Quality Monitoring panel appears In the table select the metric you want to configure In the column double click the value and type the threshold value you want to set Inthe column double click the value and type the threshold value you want to set In the column double click the value and type the threshold value you want to set In the column double click the value and type the threshold value you want to set In the field type the interval at which you want the metrics to be polled Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Metric Contains the following PVQM metrics to monitor Packet Loss Rate The fraction of RTP data packets from the source lost since the beginning of the
40. of columns in the Alarm table select a column and drag it left or right to the desired location and release it To view a column by ascending or descending order click the column heading To sort columns right click a column heading The Sort dialog box opens Sort columns as required and then click The columns in the table are sorted according to your specifications Use the following procedure to acknowledge an alarm Click the tab Open the folder and then click the task The Alarms pane opens Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Using the BCM fault management system In the table select the alarm you want to acknowledge The Alarm Details pane is displayed below the Alarms table On the pane click the button A check box appears in the Alarm Acked column in the Alarms table for this alarm Acknowledging the alarm does not clear the alarm it indicates only that you have noted it Use the following procedure to clear the alarm log Click the tab Open the folder and then click the task The Alarms pane opens On the pane click the button The Alarms table is cleared You will be able to see all new alarms only after the next alarm polling interval Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 0
41. ones that support PVQM IP Phone 2001 Phase 2 firmware IP Phone 2002 Phase 1 and Phase 2 firmware Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring IP Phone 2004 Phase 1 and Phase 2 firmware IP Phone 2050 v2 PC based soft client IP Phone 2007 Phase 2 firmware IP Phone 1120E Phase 2 firmware IP Phone 1140E Phase 2 firmware IP Phone 1110 n a IP Phones 1210 1220 1230 n a IP Phones 2210 2211 2212 n a IP Phones 6120 6140 n a This task flow shows you the sequence of tasks you perform to configure and monitor PVQM telephony metrics on the BCM system To link to any procedures click on PVQM telephony metrics monitoring procedures navigation page 43 PY2M telephony merits monitoring Configuring PYM threshold settings viewing PYM telephony metrics Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring e Setting the PVQM threshold settings page 43 e Viewing PVQM telephony metrics page 47 You can use PVQM to configure and report threshold violations for the following voice quality metrics e packet loss packets lost in transit due to errors or network failures e inter arrival jitter the variable delay on a packet as
42. ormation alarms are not included You can specify whether to include acknowledged alarms in the Alarm Banner Each alarm severity counter has a graph which represents a data sample of the last 20 polling intervals The system polls for new alarms every 30 seconds by default The graph has a color to indicate a data change The colors are as follows Green There are no alarms of this severity or there are alarms of this severity but the count has decreased since the last polling interval Yellow There are alarms of this severity but they are older than at least one polling interval Red A new alarm has occurred since the last polling interval If you clear the alarm log from the Business Element Manager the alarms displayed on the Alarm Banner are also cleared and reset to 0 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Fault and performance management fundamentals You can view critical and major alarms on a telephone set on the BCM system This allows a system administrator to monitor alarm activity without having a Business Element Manager and a personal computer You can specify the telephone to serve as the alarm set in the Business Element Manager The telephone set used for alarms must have a 2 line display and three soft keys The alarm set displays an alarm as follows XXXXX YYYY Where XXXXX
43. p Name of the hunt group Name Name entered on the DN record Total calls Total number of calls Answered Total Total number of answered calls Answered Avg Average number of answered calls Answered Avg time s Average answer time Abandoned Total Total number of abandoned calls Abandoned Avg Average number of abandoned calls Busy Total Total number of busy calls Busy Avg Average number of busy calls Overflow Total Total number of overflow calls Overflow Avg Average number of overflow calls Time in Queue Time in queue Last Reset time Time and date format depends on the country profile of the system Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Use this procedure to reset the Hunt Group metrics Click the tab In the Navigation tree click The Hunt Groups table appears Inthe table select the Hunt Group for which you want to reset the metrics The Details for Hunt Group table appears Click the button This section contains information on the following topics e Accessing PSTN Fallback metrics page 62 e Resetting PSTN Fallback metrics page 63 When trunks are out of service traffic can be switched to PSTN fallback lines Use this procedure to view how many fallback attempts and fallback failures occur within a specific period using the P
44. page 11 e BCM alarms page 12 e Alarm administration page 12 e Alarm to email forwarding page 16 e Alarms and LEDs page 18 e SNMP traps manager for remote monitoring page 18 e Alarm configuration scope page 19 You can view and manage real time alarms generated by the BCM system Alarms arise from components that run on the system these alarms indicate faults or informational conditions that may require resolution from the system administrator Examples of alarm conditions include e aT1 circuit on the system is down e an administrator stopped a service that runs on the BCM You can receive alarm information through any of the following means e the Alarms Panel in the Business Element Manager e the Alarm Banner in the Business Element Manager e Simple Network Management Protocol SNMP traps for remote management of faults Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Fault and performance management fundamentals e email notification alarm email notification can be per alarm or based on alarm severity You can manage alarms and alarm information by e configuring alarm settings for example filter alarms so that only the desired subset of alarms display in the Business Element Manager Alarms Panel are sent as SNMP traps e administering alarms for example acknowledge selected alarms and clear the
45. ription field For more information about using SNMP to monitor your system see the NN40170 502 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Fault and performance management fundamentals Copyright 2009 Nortel Networks The information in this section applies to both the BCM50 and the BCM450 platforms running BCM 5 0 This section describes how to manage alarms generated by the BCM system and administer alarm settings e Administering alarms page 21 e Using the alarm banner page 24 e Using the alarm set page 24 e Responding to LED indicators page 25 e Configuring alarm behavior page 25 e Notify and select an alarm profile page 26 e Configuring an email page 28 This section contains information on the following topics e Monitoring an alarm condition page 22 e Acknowledging an alarm page 22 e Clearing the alarm log page 23 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Using the BCM fault management system Use the following procedure to monitor an alarm condition Click the tab Open the folder and then click the task The Alarm page opens In the table select an alarm The Alarm Details pane displays below the Alarms table To change the order
46. s Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Click the B channel you want to enable or disable B1 or B2 Select or If you are disabling the channel you are prompted by a dialog box to confirm your action The State box indicates the mode of operation for the port If the port is enabled this box is blank unless a device is physically connected When you purchase PRI from your service provider you can request the number of B channels that are allocated for you to use For example you can use 12 B channels If you do not have all of the PRI B channels disable all the B channels that you do not need e Nortel recommends that the number of lines you deprovision on a DTM configured as PRI be the same as the number of B channels that you disable For example if the DTM is on Expansion 1 when you disable B channels 13 to 23 you should deprovision lines 77 to 87 Select Choose a module Click A list of the B channels on this module appears Click a channel for example B 01 The display shows the status of the PRI channel Click the or button to change the setting for the channel Each trunk module has an internal channel service unit CSU When enabled the internal CSU monitors the quality of the received T1 signal and provides performance statistics alarm statistics and diagnos
47. sent as an email to any provisioned destinations e SNMP alarm is sent as a SNMP trap to any configured trap receivers e Alarm set alarm is sent to the BCM designated telephone set See Table 2 for details on the alarm profile types To refine alarms that should be sent to a specified destination select the alarm profile name and the alarm destination and then apply settings For more information about selecting an alarm profile seeNotify and select an alarm profile page 26 Critical Critical and Major None Critical Major and Minor Any alarm in this category has critical major or minor alarm designation All All possible alarms Any alarm in this category has critical alarm designation This category has critical and major alarm designation Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Fault and performance management fundamentals When an alarm condition occurs on the system the Status LED on the front of the BCM main unit changes to reflect the alarm condition In normal operation both LEDs are green All alarms with a severity of Major and Critical change the Status LED to solid red except in the event of a Failed Startup Profile which is indicated by a flashing red LED Using the Business Element Manager you can reset the Status LEDs on the front pane of the BCM 5 0 to a norm
48. system outage The criteria for declaring and clearing the alarms is selectable to meet those in TIA 547A or TR64211 You can also view Carrier Failure Alarms as Core Telephony Alarms in the Alarm Viewer e Enabling the internal CSU page 54 e Checking the performance statistics page 54 e Checking the CSU alarms page 55 e Checking carrier failure alarms page 55 e Checking bipolar violations page 56 e Checking short term alarms page 57 e Checking defects page 57 e Viewing CSU alarm history page 58 Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring Enable the internal CSU to gather performance statistics for your T1 lines or PRI with public interface Select Select the appropriate module Click the tab In the T1 Parameters section select the check box to enable the Internal CSU Check the performance statistics to determine if the system detects errors or alarms within the selected period Select Select the appropriate module Click the tab The Current interval displays the duration of the current 15 minute interval of the selected card the number of errored seconds ES the number of severely errored seconds SES and the number of unavailable time seconds UAS Click the 24 hour summary heading for an overall summary of the previous 24 hours
49. tic information Trunk modules must be individually programmed to establish parameters for collecting and measuring transmission performance statistics by the CSU Nortel Business Communications Manager 5 0 Fault and Performance Management NN40170 701 01 01 Standard August 2009 Copyright 2009 Nortel Networks Telephony metrics monitoring The system accumulates three performance parameters e errored seconds ES e severely errored seconds SES e unavailable seconds UAS These parameters are defined according to TIA 547A Errored seconds are enhanced to include control slip CS events Only near end performance data is recorded The internal CSU continuously monitors the received signal and detects four types of transmission defects e any active carrier failure alarms CFA such as loss of signal LOS out of frame OOF alarm indication signal AIS and remote alarm indication RAI e the number of bipolar violations that occurred in the last minute e any defects that occurred in the last minute such as loss of signal LOS out of frame OOF and alarm indication signal AIS e the number of milliseconds of short term alarms in the last minute such as loss of signal LOS out of frame OOF alarm indication signal AIS and remote alarm indication RAI A short term alarm is declared when the detected defects persist for tens of milliseconds A carrier failure alarm CFA is a duration of carrier
50. tric is O to 100 The default value for unacceptable thresholds is 5 Inter arrival Jitter The value range for this metric is O to 1000 The default value for unacceptable thresholds is 500 ms RTCP Round Trip Delay The value range for this metric is O to 1000 The default value for unacceptable thresholds is 500 ms The number of warnings you can receive for a softclient phone model The value ranges and default thresholds are as follows Packet Loss Rate The value range for this metric is 0 to 100 The default value for warning thresholds is 1 Inter arrival Jitter The value range for this metric is O to 1000 The default value for warning thresholds is 50 ms RTCP Round Trip Delay The value range for this metric is O to 1000 The default value for warning thresholds is 300 ms Listening R Factor The value range for this metric is 0 to 100 The default value for warning thresholds is 65 The number of unacceptable errors you can receive for a softclient phone model The value ranges and default thresholds are as follows Packet Loss Rate The value range for this metric is O to 100 The default value for unacceptable thresholds is 5 Inter arrival Jitter The value range for this metric is O to 1000 The default value for unacceptable thresholds is 500 ms RTCP Round Trip Delay The value range for this metric is O to 1000 The default value for unacceptable thresholds is 500 ms Nortel Business Co
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