To run a loopback, To disable a loopback

Chapter 6 Troubleshooting and Diagnostics	Installation and Operation Manual

To run a loopback:

1.From the Diagnostics menu (Figure 6-4), select Loopback. The Loopback menu is displayed (see Figure 6-12).

2.From the Loopback menu, type F to select the E1/T1 link that you intend to test.

3.From the Loopback menu, select Loopback state, and choose loopback that you intend to run (Internal or External).

Diagnostics>Loopback
Channel ID	(1)
1. Loopback State	> (External)
>
F - Forward
Please select item <1 to 1>
ESC-prev.menu; !-main menu; &-exit		1 Mngr/s

Figure 6-12. Loopback Menu

To disable a loopback:

•From the Loopback menu, select Loopback state, and set it to Disable.

To display the diagnostic loopback status:

•From the Status menu, select Diagnostics loopback.

Monitoring>Status>Diagnostics loopback

Channel ID

(1)

Loopback state:

> (Disable)

ESC-prev.menu; !-main menu; &-exit

1 Mngr/s

Figure 6-13. Diagnostic Loopback Screen

6-18

Testing IPmux-11

IPmux-11 Ver. 2.00

Page 116

Image 116

RAD Data comm IPmux-11 operation manual To run a loopback, To disable a loopback, To display the diagnostic loopback status

Contents

IPmux-11 Page IPmux-11 Limited Warranty Please observe the following precautions Product Disposal Connection of DC Mains General Safety PracticesConnection of AC Mains Ports Safety Status Connection of Data and Telecommunications Cables Electromagnetic Compatibility EMC FCC-15 User Information Canadian Emission Requirements Safety Manufacturers Name Manufacturers AddressProduct Name Supplementary Information Installing IPmux-11 Configuring IPmux-11Connecting the Interfaces Connecting the Power Configuring the IP Management Parameters Configuring E1 and T1 at the Physical LevelConfiguring Bundle Connections Configuring the Internal Bridge Contents Troubleshooting and Diagnostics ConfigurationConfiguring IPmux-11 for a Typical Application Overview Versions Application Features E1 InterfaceT1 Interface Ethernet Interface TDMoIP Operation Modes Fiber Optic Interface OptionsTo calculate optical budget To calculate distance Timing QoSManagement Operation Modes Physical DescriptionFunctional Description Timing Modes TestingTimeslot Assignment in a Bundle Network Timing Schemes External Network Timing Frame Format Single Source Clock NetworkTDMoIP TDM Payload Layer Layer IP LayerData Layer Field Length Bytes Vlan Support UDP SupportTDMoMPLS UDP Ports Definition Packet Delay Variation Data Pdvt Buffer Effect on Delay Packetization DelayPdvt Jitter Buffer Ethernet Throughput Framed CAS Reordering Frames Round Trip DelayReorder and Duplication of Ethernet Frames End-to-End Alarm Generation Trail-Extended ModeOAM Connectivity Duplicated Frames Vlan Traffic Behavior Ethernet PortsVlan Check for Packets that are Received by IPmux-11 Vlan Check for Packets Sent by IPmux-11 Switch Operation Modes 11. IPmux-11 with Two Ethernet User Port Automatic Per-Port Rate Limiting Rate Limiting and Vlan Tagging Modes Switch Behavior When Handling User and Network Traffic Switch Behavior User and Network Traffic10. Mode a 11. Mode B 12. Mode C 13. Mode D 14. Mode E 15. Mode F 16. Mode G When operating in the Mode G, the following rules applyBoth user ports can get the same default Vlan ID No VLANs can be created on the network port Switch Behavior When Handling Management Traffic 17. Switch Behavior Management Traffic Technical Specifications AC/DC Source VAC or -40/-60 VDC Power 8W max Consumption NumberConnections Jitter Buffer Size Msec with 1 msec granularity Height Introduction Technical Specifications IPmux-11 Ver Introduction Site Requirements and Prerequisites Package Contents Connecting the Ethernet Equipment Connecting to the E1/T1 Devices Connecting the Ethernet User EquipmentTo connect to the Ethernet user equipment To connect to the E1/T1 devices with balanced interfaces Connecting to the External Clock Source Connecting to the Ascii TerminalConnecting IPmux-11 to Power To connect to the external clock source Connecting AC Power Connecting DC PowerTo connect AC power To connect DC powerPage To turn on IPmux-11 Controls and IndicatorsTurning IPmux-11 On IPmux-11 LEDs and Controls Name Type Function Location Parameter Default Value System Default SettingsDefault Settings Physical Layer TDM, T1 Parameter Default ValuePhysical Layer TDM, E1 Bridge Physical Layer ETHConnection Configuration Alternatives LoginWorking with Terminal To start a terminal control session How to use the terminal to perform a desired activity To enter as a user Working with ConfiguRAD Ending a Terminal Configuration SessionWeb Browser Requirements Enter General Web Browsers Operating Procedures To manage IPmux-11 via Web browser Main Menu Configuration System Overview of Menu Operations Configuration Connection and Bridge To power off the unit Turning IPmux-11 Off Configuration Sequence To perform preliminary IPmux configuration Configuring IPmux-11 for Management Configuring IP Host ParametersConfiguring Dhcp Client To access System menu To enable Dhcp client Managing IP Parameters of the IPmux-11 HostLease extension To define the IP parameters manually Configuring Management Parameters Assigning a Name to IPmux-11 and Its LocationDefining Read, Write and Trap Communities To acquire a new IP address from the Dhcp server Authentication/Community Menu Defining Network ManagersTo define read, write and trap communities To define network managers Ethernet port Is masked Configuration Example Local Management via User Ethernet Port To add a new user Configuring Management Access Permissions and MethodsTo access The Management Access menu To define the management access method To delete an existing user Access Method Mode Who is Allowed to Access IPmux-11 Configuring Control Port ParametersManagement Access Implementation Configuring IPmux-11 for Operation Configuring the System ClockTo configure the system clock To select the baud rate 12. System Clock Menu To configure the E1 interface Configuring IPmux-11 at the Physical LevelConfiguring the E1 TDM Interface Short haul -10 dB Long haul -32 dB Configuring the E1 External Clock Interface Configuring the T1 TDM InterfaceTo configure the external clock E1 interface type TDM E1 Menu To configure T1 interface B8ZS AMI TR-6211 10 seconds Fast 1 second TDM T1 Menu Configuring Ethernet InterfacesTo configure Ethernet interface 18. ETH Menu PSN Type is only available after Bundle ID has been set To configure bundle connectionSelect DS0 bundle Configuration VLANs see Configuring the Ethernet Bridge below 20. DS0 Bundle Menu Configuring the Ethernet Bridge To configure Ethernet bridge Rate Limiting Default Vlan Priority Options for this port in the following manner 23. Bridge Menu Setting the Date and Time Additional TasksDisplaying the IPmux-11 Inventory To display the IPmux-11 inventory Displaying the Diagnostics Loopback Information To access the Status menuTo display the diagnostics loopback information Displaying the IPmux-11 Status Displaying the TDM Physical Layer Information Displaying the Ethernet Physical Layer InformationTo display the TDM physical layer information To display the Ethernet physical layer information Displaying the Bundle Connection Information To display the bundle connection information Transferring Software and Configuration Files To transfer a file using TftpDisplaying the System Clock Information To display the system clock status Resetting IPmux-11 From the File Utilities, select Download/Upload using Tftp Resetting IPmux-11 to the Defaults Resetting IPmux-11To reset IPmux-11 to the default settings To reset IPmux-11 Configuration Additional Tasks IPmux-11 Ver Guidelines for Configuring IPmux-11 Units Application Configuring IPmux-11 Units Configuring the IP ParametersConfiguration Summary To configure the host IP parameters To configure E1 parameters at the physical layer Configuring E1 Parameters at the Physical LayerTo configure the manager list Configuring Bundles To connect the bundles Connecting the Bundle for IPmux-11 a Page Monitoring Performance Displaying E1/T1 Statistics To view the E1/T1 statistics E1/T1 Statistics Alarm Description AIS Displaying LAN Statistics To view the LAN statistics LAN Statistics LAN Statistics Parameters Displaying Bundle Connection Statistics Connection Statistics Screen Bundle Connection Parameters Parameter Description Recommendations Try increasing the jitter buffer size To display the self-test results Detecting ErrorsPower-Up Self-Test Using Front Panel LEDs To access the event logWorking with the Event Log Displaying Events Monitoring Menu Event List Event Description Corrective Action Logfile will be cleared. Continue ??? Y/N Clearing EventsTo clear the event log Handling Alarms Masking AlarmsConfiguring the Bundle Statistics Collection To configure the bundle statistic collection Fault Probable Cause Remedial Action TroubleshootingIPmux-11 Troubleshooting Chart Testing IPmux-11 Running LoopbacksRunning External Loopback Running Internal Loopback To run a loopback To disable a loopbackTo display the diagnostic loopback status Activating T1 Inband Loopbacks To activate an inband loopback Pinging IP Hosts To ping an IP host Running a Trace Route To run a trace route to an IP host Ethernet Side Alarms Frequently Asked QuestionsTDM side alarms UDP destination port Layer ToS UDP Destination Port Technical Support Page E1 and T1 Connector Balanced ConnectorTable A-1. E1/T1 Port Connector Pinout Balanced-to-Unbalanced Adapter Cable Ethernet Connectors Control ConnectorTable A-2. Ethernet Connector Pinout Table A-3. Control Connector Pinout External Clock Connector Table A-4. EXT CLK Connector PinoutPage To access the Boot Manager menu Booting IPmux-11Accessing the Boot Manager To download application file via Xmodem Downloading the Application and Configuration SoftwareDownloading Application Files via Xmodem Uploading/Downloading Configuration Files via Tftp Downloading Application Files via TftpTo download application file via Tftp To upload application file via TftpPage Snmp Operations Snmp EnvironmentSnmp Principles Management Information Base MIB MIB Structure MIBs Supported by the IPmux-11 Snmp Agent Management Domains under Snmp Network Management Stations AuthenticationSnmp Communities Index LEDs, 3-1Loopbacks OAM XMODEM, B-2 Index IPmux-11 Ver Supplement Front PanelPage Customer Response Form Excellent Good Fair Poor Very PoorPage Error Report Page Page International Headquarters