AudioCodes Mediant 8000 - Diagnostics and Troubleshooting

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Part VII

Diagnostics and

Troubleshooting

This section describes the recommended method for maintaining AudioCodes’

Mediant 8000 Media Gateway's. AudioCodes provides a wide range of diagnostic

tools to enable users to easily identify an error condition and to provide a consequent

solution or work around.

Main Page

Default Chapter3
- Table of Contents3
- October29
- Related Documentation30
1 Introduction31
- Figure 1-1: Mediant 8000 Block Diagram31
Hardware Overview33
2 Hardware Components35
- Table 2-1: Mediant 8000 Hardware Component35
3 Front and Back Views37
- Figure 3-1: Mediant 8000 Front View37
- Figure 3-2: Mediant 8000 Back View38
4 The Chassis39
- Figure 4-1: Midplane in Chassis39
5 Power System41
- PEM/DC/8K Power Entry Module41
- Figure 5-1: PEM/DC/8K Power Entry Module Panel41
- PS/DC/8K Power Supply Module42
  - DC Input Power42
  - Figure 5-2: PS/DC/8K Power Supply Module42
6 Cooling System43
- Air Flow43
- Figure 6-1: FM/8K Fan Tray Module43
7 Alarm Indicators45
- Table 7-1: Alarm Indicator45
8 TP-6310 Media Gateway Board47
- Figure 8-1: TP-6310 Board Front Panel47
- Table 8-1: TP-6310 Board Status LED Indicators48
6310 /RTM - Rear Transition Module49
- Figure 9-1: 6310 RTM Front Panel50
  - 6310/RTM Redundant51
  - Figure 9-2: 6310/RTM Redundant Front Panel51
10 TP-8410 Media Gateway Board53
- Figure 10-1: TP-8410 Board Front Panel53
  - Table 10-1: TP-8410 Board Leds54
  - LED Array Display55
8410 /RTM Rear Transition Module57
- Figure 11-1: 8410 RTM Panel57
12 System Controller (SC) Board63
- SC Rev.1 Board (Solaris OS)64
- SC Rev.2 Board (Linux OS)66
- SA/RTM Synchronization and Alarm Rear Transition Module69
13 Ethernet Switch Board73
- ES/6600 es (Ethernet Switch) Board73
- ES (Ethernet Switch) Board80
14 Board Assembly Order87
- Table 14-1: Board Assembly Order87
Getting Started89
15 Site Preparation91
- Equipment Requirements91
- Table 15-1: Equipment Requirements91
- Cables92
- Electrical Requirements94
- Table 15-4: Electrical Requirement94
- Environmental Requirements95
- Table 15-5: NEBS Requirement95
- Preparing the IP Network Connectivity96
- Allocating IP Addresses97
- Table 15-6: Allocating IP Addresses97
- Preparing the PSTN Network Connectivity98
- Installing the EMS Server and Client98
16 Hardware Installation99
- Unpacking/Checking Contents99
- Mounting the Chassis on a Rack100
- Figure 16-1: Attaching the Chassis to the Rack101
- Earthing the Chassis102
- Figure 16-2: Chassis on the Rack - Front and Side Views102
- Lightning Protection103
- Powering up103
17 The Command Line Interface (CLI)109
- Connecting to the CLI Via an RS-232 Serial Console109
- Figure 17-1: Using Putty for RS-232 Serial Connections110
- Table 17-1: RS-232 Serial Connection Properties110
- Figure 17-2: Putty RS-232 Serial Connection Settings111
- Connecting to the CLI Via the IP Internet Network112
  - Connecting to the CLI Via Secure Shell (SSH)112
  - Figure 17-3: Using Putty for SSH Connection112
- Command Line Interface Users113
18 Connecting to the IP Network117
- Preparing the External Layer Switches or Routers117
- Configuring the Basic IP Network Parameters of SC Boards118
- Connecting IP Network Cables121
- Figure 18-1: Connecting the IP Network for an Initial Installation121
19 Connecting to the PSTN Network123
- Connecting STM-1/OC-3 PSTN Cables123
- Connecting the T3 PSTN Interfaces125
- Connecting E1/T1 PSTN Cables (TP-8410 Boards)125
- Figure 19-2: T3 - Male Connector MOLEX PN: 73100-0255125
20 Connecting to External Telco Alarm Equipment127
- Figure 20-1: Normal Logic External Alarm Equipment Connection127
- Figure 20-2: Inverse Logic External Alarm Equipment Connection128
21 Software Installation and Basic Configuration129
- Installing the Mediant 8000 Software129
- Peforming Basic Configuration of the Mediant 8000 Software146
  - Performing Basic Configuration of the Mediant 8000 Software on the SC Board to Operate as the Active Board147
  - Performing Basic Configuration of the Mediant 8000 Software on the SC Board to Operate as the Standby Board150
- Starting Mediant 8000 Software153
- Configuring Connectivity with the EMS Server154
22 Advanced Configuration155
Configuring and Operating the Media Gateway (Part 1)157
23 Overview159
- Management Interfaces159
- Audiocodes Element Management System (EMS)159
- SNMP Management Interface160
- CLI Management Interface160
- Syslog Management Interface160
- Managed Objects, Administrative and Operational State160
- Managed Objects (Mos) in the EMS162
- Figure 23-2: Graphical EMS Status Screen163
- Figure 23-3: Textual EMS Status Screen163
- Figure 23-4: Navigation Pane and Info Panel in EMS164
- Modifying the Media Gateway Configuration165
- Table 23-1: MO Attribute Provisioning Types165
- Figure 23-5: EMS Configuration Pane166
- Figure 23-6: Example Settings Screen-Trunk Settings166
- Faults and Alarms Monitoring167
- Figure 23-7: EMS Alarm Browser167
- Table 23-2: EMS-Alarm Severity Color168
- Mediant168
24 SNMP Management Interface171
- Configuring Connectivity between the Media Gateway and the EMS Server171171
- Mediant171
- Configuring Connectivity between the Media Gateway and Additional SNMP Managers175
25 Syslog Management Interface177
- Table 25-1: SNMP to Syslog Severity Mapping177
  - Configuring Connectivity between the Media Gateway and the Syslog Server178178
  - Securing the Syslog Management Interface178
26 Connecting the Media Gateway to the IP Network179
- Establishing Connectivity with the EMS Server180
- Configuring Network Topology183
- Configuring IP Network Connectivity on SC Boards196
  - Additional OAM Subnet Configuration197
- Configuring IP Network Connectivity on Media Gateway Boards198
- Additional Network Settings203
- Additional Network Services and Settings212
- Connecting the Mediant 8000 to the IP Network217
27 Working with the SC Boards223
- Redundancy Mode223
- SC Boards in the EMS224
- Figure 27-1: SC Boards in EMS224
- SC Board Actions225
- SC Board Hardware Revisions225
- The Operating System on the SC Boards226
- Installing the Solaris os on the SC Rev.1 Board227
- Installing the Linux os on the SC Rev.2 Board231
28 Working with the Media Gateway Boards (TP-6310 and TP-8410)245
- Redundancy Model Overview245
- Media Gateway Boards in the EMS246
- Figure 28-1: Media Gateway Boards in the EMS246
- Hardware and Application Types247
- Media Gateway Board Actions247
- The Redundancy Model249
- Updating License Key259
- Mediant259
29 Working with the es Boards261
- ES Redundancy Mode261
- ES Boards in the EMS261
- Figure 29-1: es Boards in the EMS261
- ES Board Actions - ES/6600262
- ES Board Actions - ES-2262
Configuring and Operating the Media Gateway (Part 2)263
30 Time and Date Configuration265
- Time Zone Settings265
- Using the EMS Server as the NTP Server266
- Using External NTP Servers266
- NTP Synchronization and Status269
- Internal NTP Implementation270
- Figure 30-4: Internal NTP Implementation270
- Configuring NTP Servers271
- Table 30-1: NTP Server Configuration Parameters271
- Viewing NTP Servers' Status273
- Table 30-2: NTP Server Status Parameters273
31 Configuring the MGCP/MEGACO Protocols277
- Media Gateway Controller277
  - Media Gateway Controller in the EMS277
- MGCP Control Protocol278
- MEGACO Control Protocol278
- Media Gateway Controller Addressing279
  - Via FQDN Name279
  - Via IP Addresses279
- Endpoint Name Provisioning280
- Domain Name Provisioning282
- MEGACO Virtual Gateways282
- Configuring MGCP/MEGACO Call Control Settings283
32 V5.2 Access Gateway293
- Overview293
  - Working with the V5.2 Access Gateway294
  - Configuring the V5.2 Access Gateway296
33 Configuring Security Settings303
- Figure 33-1: Security Features304
34 Performance Measurements401
- PM Profiles401
- Real-Time Pms401
- Historic Pms401
- PM Threshold Alarms401
- Performance Monitoring Profiles402
- Figure 34-1: MG Background Monitoring402
- Figure 34-2: Do You Wish to Start Polling403
- Figure 34-3: Polling Started403
- Real-Time Performance Measurements405
- Figure 34-4: Select Screen405
- Figure 34-5: Real-Time Performance Measurement Display Window406
- Figure 34-6: MG Monitoring Window407
- History Performance Measurements409
- Figure 34-7: History Pms Select Screen409
- Figure 34-8: History Performance Measurements Display410
- Figure 34-9: History Performance Measurements Display-Results Screen411
- Performance Measurement Threshold Alarms412
- Figure 34-10: Threshold Alarms Parameters Screen413
- Table 34-1: PM Threshold Alarm Settings413
35 Media Gateway Inventory415
- Figure 35-1: Mediant 8000 Inventory415
36 Media Gateway Boards' Configuration Backdoor417
- Table 36-1: Configuration-Backdoor Parameters418
  - Supported Actions420
  - Usage Tips420
37 Using Auxiliary Files421
- Table 37-1: Supported Auxiliary Files421
38 Configuring the PSTN Subsystem459
- Configuring Media Gateway Board's PSTN Settings459
- Table 38-1: Media Gateway Board's PSTN Parameters459
- Configuring STM-1/OC-3 Interfaces460
- Figure 38-1: TP-6310 Board Status Screen461
- Table 38-2: PSTN Fiber Group Properties462
- Configuring T3 Interfaces463
  - Channelized T3464
- Configuring the E1/T1 Trunks465
  - Status in the EMS465
- Viewing Trunk Channels Status470
- Table 38-5: Trunk PSTN Alarm471
- Configuring the SS7 Subsystem472
- Configuring the CAS/ISDN Subsystem507
- Configuring TDM Clock Synchronization516
39 Configuring the Media Settings527
- Table 39-2:Media Gateway Board's RTP/RTCP Settings532
Configuring and Operating the Media Gateway (Part 3)-SIP Subsystem545
40 General SIP Configuration547
- The SIP Proxy547
  - SIP Proxy Set547
  - Redundancy Mechanisms548
  - DNS Service Records (SRV)548
  - SIP Proxy Sets548
  - Table 40-1: SIP Proxy Set Parameters549
  - Table 40-2: SIP Proxy Set Settings553
- The SIP Registrar558
- SIP Protocol Settings563
- Table 40-6: SIP Protocol Settings566
- Table 40-7: SIP Routing Settings578
- Table 40-8: SIP Supplementary Services Settings582
- Table 40-9: SIP PSTN Settings587
- Table 40-10: SIP Media Settings601
- Mediant602
- Table 40-11:SIP Media Server Settings604
- Table 40-12:SIP Radius Settings606
- Configuring Coder Groups608
- Configuring Coders Table609
- Table 40-14: Coder Parameters610
- IP Groups Table611
  - Configuring the IP Group Table611
  - Table 40-15: IP Group Parameters612
- Account Group622
  - Configuring Account Group622
- SIP Routing DNS Table625
  - Configuring the Internal DNS Table625
- SIP SRV to IP Table626
  - Configuring the SIP SRV to IP Table626
  - Table 40-18: SIP SRV to IP Table Parameters627
- SRD Table628
  - Configuring the SRD Table629
- SIP Interfaces Table630
  - Configuring the SIP Interfaces Table630
- NAT Translation Table632
  - Configuring the NAT Translation Table632
- Least Cost Routing (LCR) Table633
  - Configuring the Routing Rule Groups Table634
  - Configuring the Cost Group Table635
  - Configuring the Time Band Table636
- SIP Message Policy Table637
  - Configuring the SIP Message Policy Table637
  - Table 40-22: SIP Message Policy Parameter638
- Routing Based on LDAP Active Directory Queries639
  - Configuring LDAP Server Parameters640
  - Querying the AD and Routing Priority642
  - Configuring Query Attribute Key644
  - Configuring AD-Based Routing Rules645
  - Mediant646
  - Table 40-28: AD-Based Tel-To-IP Routing Rule Configuration Examples647
41 PSTN Gateway and IP-To-IP Applications649
- Trunk Groups Table650
- Table 41-2: Trunk Group Parameters651
- Trunk Group Settings Table653
- Manipulation Tables658
- The Routing Tables668
- Profiles Tables683
42 Stand-Alone Survivability (SAS) Application715
- The SAS Configuration716
- SAS Registration Manipulation723
43 Session Border Controller (SBC) Application725
- Topology Hiding726
- The SBC Configuration727
- SIP Network Definitions737
  - SIP Interfaces738
- SIP Dialog Initiation Process739
- Determining Source and Destination URL740
- Figure 43-4: SBC Application Classification Process741
- Table 43-2: SBC Classification Parameters "Matching Rules742
- Table 43-3: SBC Classification Parameters "Operation Rules743
- SBC Condition Table744
- SBC Routing745
- SBC Inbound and Outbound Manipulation754
- SBC Message Manipulation761
  - Figure 43-8: SBC Message Manipulation762
  - Configuring the SBC Message Manipulation Table763
- User Registration765
  - Registrations Database766
  - Routing Using Registrations Database767
- SBC Admission Control768
- SBC Media Handling770
Maintenance775
44 Media Gateway Software Backup/Restore Procedures777
- Creating the Media Gateway Software Backup778
- Figure 44-2: Backup Files in the EMS779
- Restoring the Media Gateway Software from Backup783
- Figure 44-4: Select Backup File784
- Automatic Backups788
45 Hardware Replacement791
- Emtpy Slots Cover Requirements792
- SC Board Replacement Procedure793
- SA/RTM Replacement Procedure800
- Ethernet Switch Board Replacement Procedure801
  - Replacing the Ethernet Switch RTM Module802
  - Troubleshooting the ES/6600 Board Installation803
- Power Supply Modules Replacement804
  - Figure 45-5: Removing the PS from the Chassis805
  - Replacing the Power Entry Module806
- Replacing the Fan Tray Modules807
- Replacing Air Filters808
46 Online Software Upgrade811
- Hitless Upgrade Mode812
- Pre-Upgrade Configuration Backup813
  - Preparing the IP Network814
  - Pre-Installing os Patches817
    - Configuring the EMS and ROOT Passwords of the Mediant 8000 in the EMS818
    - Adding the Media Gateway Software to the EMS Server819
- Performing the Online Software Upgrade820
- After Completing the Online Software Upgrade827
- Rollback828
  - Performing a Manual Rollback to the Previous Software Configuration829
  - Recovery from a Network Failure or EMS Server/Client Crash831
Diagnostics and Troubleshooting833
47 Troubleshooting Strategy835
48 Recovering the OAM VLAN Settings843
49 Collecting Advanced Media Gateway Board Logs845
- Displaying Voip Board Log Files846
- Filtering Syslog Messages and Debug Recordings848
- Table 49-1: SIP Logging Filter Properties849
- Media Gateway Board's Debug Recording Traces and Logging850
  - Collecting Debug Recording Traces on the Standby SC Board851
- Collecting Call Data Records (Cdrs)852
  - Table 49-2: CDR Report Level853
  - Collecting Call Data Records (Cdrs) on MEGACO Boards854
- Collecting the Media Gateway Board's INI File855
50 Accessing Advanced Status- Media Gateway Board Via WEB857
51 Collecting Traces from the Ethernet Switch Board's Mirror Port859
- Figure 51-1: IP Packets860
- Mediant861
52 Internal System Controller (SC) Software Logs871
- Log Files Storage872
- Viewing Log Files873
- Operating System Logs874
53 Information Needed When Contacting Technical Support877
Appendices879
A Examples of IP Network Connectivity Configuration881
- A.2 Example 2: Three Subnets, VLAN Tags, One Physical Interface885
B Appendix - Configuring HSRP/VRRP889
- Figure B-1: HSRP/VRRP Configuration890
- Figure B-2: HSRP/VRPP Test State 1900
- Figure B-3: HSRP/VRPP Test State 2901
- Figure B-4: HSRP/VRPP Test State 3902
- Figure B-5: HSRP/VRPP Test State 4903
C Appendix: Testing Installation and Basic Configuration905
D Appendix - List of Notification Traps911
54 Index913

AudioCodes Mediant 8000 - Diagnostics and Troubleshooting

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