Start remote loopback test using | 3Com SuperStack II manual

140APPENDIX A: TROUBLESHOOTING

3Start remote loopback test using:

RemtLpbck !<path> -PAth [Status RemtCsuLbkStart

RemtDsuLbkStart RemtCsuLbkEnd RemtDsuLbkEnd ]

To start the remote CSU loopback test on path 2, enter:

RemtLpbck !3 -PAth RemtCsuLbkStart

To start the remote DSU loopback test on path 2, enter:

RemtLpbck !3 -PAth RemtDsuLbkStart

4To view the status of the loopback test in progress, enter:

RemtLpBck !3 -PAth Status

The following ﬁelds are displayed:

Loopback State :

Loopback Type :

Loopback Time :

Loopback Result :

5To terminate the loopback test, enter:

RemtLpBck !3 -PAth RemtCsuLbkEnd

or

RemtLpBck !3 -PAth RemtDsuLbkEnd

Image 140

3Com SuperStack II, NETBuilder SI Start remote loopback test using, To start the remote CSU loopback test on path 2, enter

Contents

Using the SuperStack NETBuilder SI Bridge/Router Electromagnetic Compatibility Information Avis Canadien Canadian Certiﬁcation Notice CE Notice Page Contents Mounting Kit Installing on a Tabletop Isdn U Setting Up Security Conﬁguring Serial Ports with DTEs Where to Go From HerePaths, Ports, and Virtual Ports Paths and Ports Multiple Static Paths per Port Virtual Ports Configuring Bridging and Routing Conﬁguring X.25 Scenario 1 Multiple Destinations, Nonmeshed Using the Monitor Utility 121 Boot Conﬁgure Flash Load 122 113 Dialing the Same Phone Number Multiple Times116 122 Display Files Dump 148 Verifying the Memory Dump Procedure 149 Reloading the Software Load Errors125 LAN LEDs 143 177 178179 180 194 Ordering Dutch Isdn BRI Services 195RS-530 DTE Cable Pinouts About this Guide ConventionsList conventions that are used throughout this guide Icon Alerts you to Year Compliance3Com Year 2000 Web Text Conventions Features and Specifications FeaturesFeatures of the SuperStack II NETBuilder SI Bridge/Router Feature Description Back and Front Panels Model DIP Switches Front panel and are for 3Com use only Requirements Reset ButtonSerial Device Features and Specifications Using the BRIDGE/ROUTER Your Network Using Ethernet LANOverview Ports Using the BRIDGE/ROUTER in Your Network Telco Services Packet-Switched Services Using PPP on Dial-Up and Leased LinesUsing Packet-Switched Network Services Telco Services Using the BRIDGE/ROUTER in Your Network Installing the Hardware RequiredEquipment Bridge/router Environmental For more information on cables, see Appendix DProvides the environmental requirements of the SuperStack Bridge/routers Brackets, or mount the bridge/router in a rack MountingBridge/Router Brackets Stacking Bridge/Routers Mounting the Bridge/Router Connectors CablingFollowing WAN ports Isdn S/T 43x and 53x, Isdn U 44x Functional Model 44x and 54x Isdn U Connector Model 43x and 53x Isdn S/TModels 44x and 54x bridge/routers have an Isdn U connector Model 46x and 56x T1/FT1 T1/FT1 Telco port uses an RJ-48 connectorModel 45x and 54x 56/64K CSU/DSU Model Redundant Power Redundant Power System RPSAttaching a System Power switch Characteristic SettingShutting Down Turn on the device Installing the Hardware Cover Installing or Removing AN Interface ModuleRemoving Remove the cover Removing an Existing ModuleModel These steps Reinstall the cover and the cover screws Remove the screw from the standoff if necessary Move the jumper to the right-hand set of pinsModule Model Insert the new module Removing an Front panel Move the jumper to Left-hand set of pins Installing a New 5xxSteps Remove the screw from the standoff if necessary Front panel Connectors Installing a New Module Model 5xx Installing or Removing AN Interface Module Logging on and Performing Administrative Tasks Administrative Task SummaryTurning on Other end to the RPS LED Status at Successful Startup Status Attaching a Console Logging on to Logging on and Performing Administrative Tasks If you have not selected a particular service, enter To use the command-line interface, follow these stepsTo use the menu-driven interface, follow these steps Interface For more information on syntax, see Appendix C Password Accessing and executing software commands and parametersChanging the Root Return key Default Console ChangingPort Baud Rate Adding User Information Setting the Time and DateSetting System DELete -SNMP COMmunity anycom ADD -SNMP COMmunity anycom RO Basic Configuration of Ports Paths Relationship Between Physical Paths and Logical Ports Port and Path Options Option Description Topologies that Require Virtual Ports Node That Virtual Ports Virtual Ports over Frame Relay Protocol Technique Virtual Ports over PPPConnectivity in Partially Meshed and Nonmeshed Topologies Parent Ports for Frame Relay Path and Port NumberingSuperStack II bridge/router Path and Port Numbering for Model 43x , 44x, 53x, Conﬁguring Ethernet Paths Ports Conﬁguring IsdnOn the WAN Port 43x, 44x, 53x, Conﬁguring Isdn Europe, Australia Asia Isdn Switch Types Supported SwitchType Setting Country or Region Example Toggle the respective paths by entering Conﬁguring the T1/FT1 RJ-48 Telco Port Model 46x Re-enable the path by enteringConﬁguring the 56/64 Kbps CSU/DSU WAN Port Model 45x Re-enable the path using Set the baud rate 56 or 64 kbps for the DS0 channel usingSet the path clock using Set the owner of the serial port using Line type leased Where to Go From HereRouting Port and path conﬁguration Basic Configuration of Ports and Paths Bandwidth Management Feature Description Advanced Configuration Ports and PathsBandwidth Management Features for Dial-Up Lines Isdn on the WAN Port 43x, 44x, 53x Scenario 1 Using Each B Channel Separately Start here Scenario 2 Using Both B Channels Together Scenario 3 Connecting to Multiple Destinations Call Berkeley Multiple destinations connect with a dial pool 128 K 28.8 K Scenario 1 Single Destination per Port PaloAlto Scenario 2 Multiple Destinations Andover Princeton Set the normal bandwidth if required using Management for PPP Setting Normal BandwidthKbps. Show the normal bandwidth for a port using Enabling Dial-On-Demand Using Manual DialPlace the call using Conﬁguring Bandwidth-On-Demand Conﬁguring Disaster Recovery Enable disaster recovery usingConﬁgure the back-up line for disaster recovery only using Conﬁgure the dial number list for the back-up line using Site B Site C Conﬁguring Frame Relay Port !5 path Trafﬁc from one site to another over the same parent port Site a Configuring X.25 311041501111 Conﬁgure other protocols, see Using Enterprise OS Software See to conﬁgure bridging, IP routing, and IPX routing. To Advanced Configuration of Ports and Paths Configuring Bridging Routing To enable bridging, enter Conﬁguring IP Routing Enable IP routing by entering IP Routing To delete a static route, use Routing Between Gateways Subnet Masks Adding a Route Statically in a Subnet Masked Environment To enable Ospf on a speciﬁed port, use Override Option Ospf over Dial-On-Demand Dial-Up Lines Using a Static RouteUsing Ospf SHow -IP NETaddr Conﬁguring IPX Routing Deﬁning a Default Route To provide a name for your path and port, use Customizing Your SoftwareNaming Paths and Ports Module Autobaud Feature Working with Dial Number Lists Phone number is case-sensitive and must be matched exactly Using Statistics on 56/64 KbpsCSU/DSU Port 45x Using Statistics on the T1/FT1 RJ-48 Telco Port 46x Network Statistics Displays similar to the following will appear Display similar to the following appears Displays similar to the following appear when you enterStatistics Show all T1/FT1 parameters conﬁgured using Conﬁguring DataCompression T1/FT1 Parameter Customizing Your Software Troubleshooting Using the MonitorBoot Utility Conﬁgure Flash Load Clear EepromDisplay Files Dump Repeat Last Command ResetFlash Load Help Normal LED MeaningsBridge/router LEDs System LEDs The following ﬁgure describes the system LEDs WAN LAN LEDs The following ﬁgure describes the LAN LEDs Meaning ﬁle system is empty Action MeaningAction Reload the software. See Appendix B Reload the software. See Appendix B Default path is Image names do not matchAction Follow these steps At the monitor prompt, enter Meaning File too large Action Meaning Unspeciﬁed fatal error Action Meaning File read or decompression error ActionMeaning File checksum error Action Meaning Unable to transmit Bootp request Action Conﬁguration and verify the media access control MACConnected correctly to the Ethernet network Be present or is incorrectly conﬁgured Power off and then on again to retry the system software Be incorrectly conﬁguredConﬁgured Load. If the load is unsuccessful, contact your network Contact your network supplier PhaseEeprom checksum test failed WAN Performing Loopback Tests Conﬁgure the ports for loopback testing by entering To dial path 3.1 from path 3.2, enter Start the DLtest using Stop the DLTest by enteringDisconnect the call by entering Change the port owner from loopback to PPP by entering To stop the loopback test, enter To disable V.54 detection, enterStart the loopback test by entering Select the loopback test mode by entering CSU/DSU Port 55x bridge/router 45xPerformed Set the owner of the WAN port to loopback by entering Specify the number of seconds that the test should run using Stop the loopback test by entering Enable the port by entering To turn on autobaud, enter Start remote loopback test using To start the remote CSU loopback test on path 2, enterTo start the remote DSU loopback test on path 2, enter To view the status of the loopback test in progress, enter T1/FT1 Port 56x bridge/router 46x Reenable the WAN port by entering Enable V.54 signal detection by enteringT1/FT1 Port Supports ATT On the T1/FT1 Port Performing a Loopback Test on a Serial Port Start the serial loopback test by entering Memory Dump Stop the serial loopback test by entering Select Dump Destination Following options are available SysInfo See the Unix system documentation if you have any problems To create a memory dump ﬁle, follow these steps System responds with the following information Appendix a Troubleshooting Software Reloading the System B SoftwareReloading Load Errors Syntax Conventions Full Form Syntax Symbols Command syntax. These symbols are summarized in TableCommand Syntax Symbols SymbolDescription Examples FullAbbreviated Syntax Command Syntax Variations Using Aliases Service NamesCommand Lines Entering Command History Substitution Privilege Level ISDN-RelatedSyntax Variation Models 43x Getting Help Asterisk, for exampleWith different options as described in Table Online Help Syntax Summary SYS? Appendix C Syntax Conventions Connectors and Cables Console ConnectorCables PC Cable Pin to 25-pin Terminal Cable Null Modem-Type LAN Connector Ethernet ConnectorEither 10BASE-T or 100BASE-TX cabling To full router software, the second port will be functional Cabling Standards Creating a Valid NetworkCable Support and Emissions Compliance Emissions Compliance Shows examples of collision domain diameters For expanded guidelines, refer to the Ieee Standard Collision Domain Diameter with No Repeater Collision Domain Diameter with Two Repeaters Maximum Cable Length in Example Collision Domain Diameters Shows the pin assignments of the Isdn S/T cable Shows the pinouts of the Isdn U cable CSU/DSU Cable Serial Connectors Flex-WAN Cables RJ-48S male shielded Name Abbr Connecting the Bridge/Router to a DTE Using a DCE Cable 10 ft Flex-WAN CablesCable Length Cable Type Part Number Pinouts Pinouts RS-232 DTE Cable Pinouts Flex-WAN and RS-232 DCE Connectors Flex-WAN Connector Signal Pin Direction Twisted Pair Flex-WAN and V.35 DTE Connectors 35 DTE Cable Pinouts Flex-WAN and V.35 DCE Connectors 35 DCE Cable Pinouts Flex-WAN and X.21 DTE Connectors 21 DTE Cable Pinouts Flex-WAN and X.21 DCE Connectors 21 DCE Cable Pinouts Flex-WAN and RS-449 DTE Connectors RS-449 DTE Cable Pinouts Flex-WAN and RS-449 DCE Connectors Flex-WAN and RS-530 DTE Connectors RS-449 DCE Cable Pinouts Flex-WAN Connector RS-530 DTE Connector Signal Pin Direction Canadian Isdn BRI Services Provisioning Your Isdn Line Isdn Switch Type AT&T 5ESS NI1 AT&T 5ESS Switch Ordering Isdn Service for an AT&T 5ESS SwitchAT&T 5ESS Custom DMS 100 and National Isdn Siemens Ewsd 189 DN must be set as follows Parameter Setting AT&T 5ESS Custom SwitchRequired Information Specification 191 Ordering Isdn Service for a DMS 100 SwitchDMS 100 and National Isdn Siemens Ewsd Switch Ordering Isdn Service for a Siemens Ewsd Switch NT1s and Power Supplies Isdn BRI Services Ordering Dutch Appendix E Provisioning Your Isdn Line 3Com FTP Site Technical SupportOnline Technical Access by Analog Modem Access by Digital ModemHours a day, 7 days a week 847 262 Support from 3Com Support from YourNetwork Supplier North America Country Telephone Number Fax Number Page Index Numerics Isdn Index Ipxwan 109 Isdn Index Snmp DCE connector described Index 3Com Corporation Limited Warranty