NPI NuLink 2000 User Manual Download

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NuLink 2000

Fast Ethernet-to-FDDI

Bridge

User’s Guide

P/N: 220-0259-01
Published: February 1998

Summary of Contents for NuLink 2000

Page 1: ...NuLink 2000 Fast Ethernet to FDDI Bridge User s Guide P N 220 0259 01 Published February 1998...

Page 2: ...slated or reduced to any electronic medium or machine readable form without prior written consent from NPI NPI reserves the right to make modifications to the product without notification Network Peri...

Page 3: ...s Ger t darf nur mit der auf dem Typenschild ausgewiesenen Netzspannung betrieben werden Wenn Sie sich nicht sicher sind ob die Netzspannung mit der angegebenen Spannung bereinstimmt fragen Sie Ihren...

Page 4: ...Wenn das Leistungsverhalten des Ger ts sich so ver ndert hat da Wartungsarbeiten erforderlich zu sein scheinen 15 Das Ger t wird durch Ziehen des Netzsteckers ausgeschaltet Das Ger t sollte deshalb in...

Page 5: ...v WARNING Observe precautions for handling electrostatic sensitive devices...

Page 6: ...Bridge 1 2 Connecting Workgroups to an FDDI Backbone 1 4 Preventing Ring Failures 1 6 Bridge Defaults 1 9 LEDs 1 10 Managing the Bridge 1 11 2 Installing the Bridge Selecting a Location for the Bridge...

Page 7: ...and Viewing System Information 3 6 Setting the Date and Time 3 9 Configuring IP 3 10 Configuring SNMP 3 12 Configuring FDDI Ports 3 13 Configuring Fast Ethernet Ports 3 15 Managing IP Fragmentation 3...

Page 8: ...x B Updating Software Obtaining New Bridge Software B 1 Installing New Bridge Software B 2 Network Management Software B 3 Appendix C Troubleshooting Verifying Communication Links C 1 NetWare Environm...

Page 9: ...igure 7 Optical Bypass Switch in Bypass Status 1 8 Figure 8 Connecting Mounting Brackets 2 2 Figure 9 DAS Connection 2 3 Figure 10 SAS Fiber Optic Connection 2 4 Figure 11 SAS Copper Connection 2 4 Fi...

Page 10: ...f Tables Table 1 Bridge Factory Defaults 1 9 Table 2 Bridge Level LED Display Status 1 10 Table 3 Port LED Display Status 1 10 Table 4 Rules Matrix for FDDI Port Types 2 5 Table 5 Frame Type Compatibi...

Page 11: ...setting up systems on a network It assumes a working knowledge of VT 100 terminals modems and FDDI Technical Support Network Peripherals offers lifetime technical support and remote diagnostics capabi...

Page 12: ...tw Asia Free FAX Support 408 321 9218 North America South America and Europe 886 2 2999 8187 Asia Free FAXBack Product Information FAQs and Tips 408 321 7380 Free Anonymous FTP Latest drivers and sof...

Page 13: ...cs of the bridge It also illustrates how the bridge can connect to an FDDI backbone Package Contents The bridge has these functions NuLink 2000 Fast Ethernet to FDDI Bridge Power cord Mounting bracket...

Page 14: ...Learns approximately 4000 addresses in CAM Configurable MAC address filtering and aging Management through SNMP Telnet and the RS 232 console port Redundant power supply connection In addition to the...

Page 15: ...er SC ports 100 Mbps total on both ports each transmits and receives Figure 1 DAS Fiber Optic Model One model has a single attached station SAS fiber optic FDDI connection Figure 2 One RS 232 serial p...

Page 16: ...Base TX port labeled FAST ETHERNET INTERFACE can be replaced by a 100Base FX port on NPI s NuModule FE 833 Fast Ethernet Media Adapter Fiber Module version that can be purchased separately This port m...

Page 17: ...FDDI Backbone Concentrator NuLink 2000 Bridge DAS model Ethernet Fast Ethernet Switch Ethernet Fast Ethernet Workgroups Fast Ethernet link FDDI Station Servers Figure 4 DAS NuLink Connected Directly t...

Page 18: ...has an optical bypass switch that you can use As your FDDI network grows so does the possibility of multiple ring failures When two ring failures occur the ring is wrapped in both cases effectively s...

Page 19: ...Bridge Overview 1 7 NuLink 2000 Bridge Server Router A B A A A B B B Optical Bypass Switch Normal Status NuLink 2000 Bridge Figure 6 Optical Bypass Switch in Normal Status...

Page 20: ...NuLink 2000 Bridge Figure 7 Optical Bypass Switch in Bypass Status Each model has one internal power supply and an external connector for an NPI redundant power supply RPS model 600 If the internal po...

Page 21: ...ction Default Setting T Notify T Request IP address Subnet mask Default gateway Address aging interval 30 seconds 8 milliseconds 0 0 0 0 255 255 255 0 0 0 0 0 5 minutes SNMP Community string GET Commu...

Page 22: ...reen RS 232 link is present After POST the POST failed The following table explains port LED status indicators on the front panel of the bridge Table 3 Port LED Display Status LED Color Indicates FDDI...

Page 23: ...or remote connection through a modem attached to the bridge with a standard serial cable For the console program see Chapter 3 Chapter 4 Appendix B and Appendix C For connection details see Appendix...

Page 24: ...or the bridge Make sure the location is in a ventilated area that is dust free Make sure the location is away from heat vents warm air exhaust from other devices and direct sunlight Avoid proximity to...

Page 25: ...ge can be installed in an EIA standard size 19 inch rack To install 1 Attach the mounting brackets on each side of the bridge as in Figure 8 The mounting brackets and screws are included in the device...

Page 26: ...s configured to the same communication mode That is if one Fast Ethernet port is set for full duplex operation the other should also be set for full duplex operation FDDI Cabling Guidelines Figure 9 s...

Page 27: ...el Figure 10 is connected to a single ring FDDI network Figure 10 SAS Fiber Optic Connection Figure 11 shows how to connect the SAS copper model to an FDDI network through an FDDI concentrator with TP...

Page 28: ...idge S Undesirable Undesirable Valid Valid FDDI port functions are as follows A The port of the DAS connects to the incoming primary ring and the outgoing secondary ring of the FDDI dual ring B This p...

Page 29: ...f the steel ferrule through which the optical fiber passes Touching the tip could mar its delicate surface and destroy its ability to transmit light Whenever the cable is not connected keep the protec...

Page 30: ...ys on the cable connectors line up with the keyway notches on the card Figure 13 4 Plug the cable into the connector on the bridge You should hear a distinctive click telling you that the cable is pro...

Page 31: ...Optical Bypass connector on the bridge Connecting to a Redundant Power Supply A redundant power supply RPS model RPS 600 provides backup power for the bridge Its connector is on the rear panel of the...

Page 32: ...Checking connections Updating system software IP fragmentation management Address aging Viewing statistics Resetting the system When installing the bridge for the first time you must configure the sys...

Page 33: ...console serial port by an RS 232 cable See Chapter 5 and Appendix A for connection details To access the console program 1 Connect a terminal or a PC with terminal emulation software to the console po...

Page 34: ...ult is no password 6 If you have already established a password enter it see Changing a Password later in this chapter Console Program Command Overview Once you gain access to the built in console pro...

Page 35: ...r Select a highlighted option Enter Toggle between options in a choice field Spacebar Move to the next entry field or command Tab Move one line up to the previous field Move one line down to the next...

Page 36: ...rent screen are discarded Confirmation Prompt After you make changes in a data entry screen and choose Exit the following prompt displays Choose y yes to save the changes and make the new settings tak...

Page 37: ...no spaces between them It is case sensitive Confirm Password Confirm the new password by retyping it After making these entries select EXIT NOTE Remember your password If you forget it the only way t...

Page 38: ...ang Enter a brief description of where the bridge is located 128 alphanumeric characters Like the name the location is descriptive and used for reference purposes For example 13th Floor Notify Timer E...

Page 39: ...in Detect state contact NPI Technical Support Non Operational Duplicate Non_Op_Dup means the address of the MAC under control is a duplicate of the address of another MAC on the ring the ring is not...

Page 40: ...ardware version of the bridge This information is helpful when troubleshooting or upgrading System Uptime This view only field shows how long the bridge has been Date and Time This view only field sho...

Page 41: ...lect EXIT Configuring IP The bridge can accommodate IP on the Fast Ethernet side of a network if the IP address a subnet mask and a default gateway are configured When necessary BootP must also be con...

Page 42: ...to use with the bridge s IP address The default subnet mask value is 255 255 255 0 Default Gateway Specify an IP address for a gateway or router An entry in this field tells the bridge which device is...

Page 43: ...es SNMP to collect basic information and network statistics The bridge supports SNMP which enables it to be managed by a management station the management console connected to the bridge s console por...

Page 44: ...receive traps IP Address You can assign selected stations to receive traps from the bridge Enter the IP address of the network management station that will receive traps from the bridge Community Name...

Page 45: ...or DAS model Sample screen for SAS fiber or UTP model Parameters in this screen are described in the following paragraphs Port Name Enter a unique name for the selected port up to 15 alphanumeric char...

Page 46: ...the default cutoff is 10 7 bit error rate Some errors will occur from normal connection disconnection of the link but the LER should typically be better than 10 12 BER Link Error Rate LER Cutoff Ente...

Page 47: ...egotiation is disabled and a view only field when auto negotiation is enabled When auto negotiation is disabled use this field to enable or disable full duplex mode for the port Full duplex transmissi...

Page 48: ...From the Main menu select Configuration 2 Select IP Fragmentation Management from the Configuration menu The IP Fragmentation screen appears Parameters in this screen are described in the following p...

Page 49: ...has specified no fragmentation Packets With Bad IP Version This view only field is a counter that shows the number of IP packets greater than 1518 bytes that have not been fragmented because they are...

Page 50: ...means no aging Restarting and Resetting There are two types of system resetting warm start and factory reset A warm start resets the bridge and keeps the current settings A factory reset starts the br...

Page 51: ...een and leave the current configuration intact select n no The Main menu returns Factory Reset A factory reset starts the bridge again and returns it to factory settings system defaults This reset als...

Page 52: ...Program Essentials 3 21 To continue with a factory reset select y yes The factory settings are now in effect To leave this screen and leave the current configuration intact select n no The Main menu...

Page 53: ...on or reset Network Utilization In the context of network utilization think of an FDDI network as having the potential to carry more information rather than as being a faster connection If the applica...

Page 54: ...acket Translation Statistic To bridge between two heterogeneous networks packets received from the FDDI network and destined for Fast Ethernet need to be translated Likewise packets received from Fast...

Page 55: ...e FDDI ports on the bridge 1 From the Main menu select Statistics 2 Select FDDI Port Statistics from the Statistics menu The FDDI Port Statistics screen appears Sample screen for DAS model Sample scre...

Page 56: ...sabled and the status is durable Inactive Port is disabled but the status is not durable Ready Port is enabled ready to accept a link Active Port is enabled and the connection is established Port PMD...

Page 57: ...er of good frames seen by the bridge including frames not copied by the bridge Frames Transmitted This counter shows the number of FDDI packets transmitted by the MAC including all Ethernet to FDDI tr...

Page 58: ...Ethernet Port Statistics screen appears Items in this screen are described in the following paragraphs Tx Packets The number of all packets transmitted by the port Tx Bytes The sum of all bytes trans...

Page 59: ...rames received by the port that are addressed to a single MAC address Rx Forwarded The number of frames received by the Fast Ethernet port that were given to the FDDI port for transmission Rx Packet E...

Page 60: ...etwork you can manage the bridge at a Telnet device using the same console program described in Chapter 3 Before you can establish a Telnet connection between the bridge and a Telnet device you must s...

Page 61: ...es B and C If the Telnet connection is broken during a session you can make a new connection by repeating all required steps Limitations When using Telnet keep the following in mind Only one active Te...

Page 62: ...network cable and RS 232 serial cable required for the bridge Network Cable Straight Through Cable Crossover Cable Pin Pin Pin Pin 1 1 1 3 2 2 2 6 3 3 3 1 6 6 6 2 Cable Selection Connection Type Cable...

Page 63: ...S Request To Send 8 CTS Clear To Send 9 N A 1 5 6 9 RS 232 DB 9 DTE male connector Figure 15 Pin Out and Pin Assignment of Console Port When connecting a terminal directly to the bridge use either a n...

Page 64: ...TS CTS 8 l l 4 DTR DSR 6 l l l 8 CTS DCD 1 l l 6 DSR DTR 4 l l l 1 DCD Figure 16 Pin Out and Pin Assignment of Null Modem Adapter The bridge s console connector is wired as for a DTE and is ready to b...

Page 65: ...uts Connecting to a Terminal DCE Connecting to a Terminal DTE RS 232 Serial Cable RS 232 Serial Cable Null Modem Adapter NuLink 2000 Bridge all models NuLink 2000 Bridge all models Figure 17 Out of Ba...

Page 66: ...to the bridge Obtaining New Bridge Software 1 From the World Wide Web go to NPI s Web site at http www npix com then select the applicable binary file from the location given in the Release Notes for...

Page 67: ...ing paragraphs Server IP Address Enter the IP address of the station where the new software resides and that is running the TFTP server Image File Name Enter the complete path name and name of the new...

Page 68: ...or before the update is completed Doing so will corrupt the software you will not be able to continue or restart the update The configuration in effect when the update began is retained If you want to...

Page 69: ...inks You can issue a Ping command at the management console to see if a specified station is active or if the link between the bridge and the specified station is up To do this 1 From the Main menu se...

Page 70: ...Response timed out means the station you are attempting to verify did not respond to the Ping command within the pre defined request period NetWare Environments Generally the bridge can operate with...

Page 71: ...SNAP format is not supported for other protocol types POST Diagnostics When the bridge is turned on for the first time it runs a Power On Self Test POST diagnostics routine As the POST runs its test r...

Page 72: ...wide x 2 5 cm high 11 25 x 15 5 x 1 75 inches 3 6 kg 8 lb Electrical Input voltage 100 to 240 VAC 50 60 Hz Power Consumption 45W Electromagnetic FCC Part 15 Subpart B Class A EN 55022 ACISPR 22A 1985...

Page 73: ...ode fiber 100 Mbps throughput for FDDI One 10Base T 100Base TX auto negotiation auto sensing switching port RJ 45 type replaceable with one 100Base FX port on NPI s FE 833 Media Adapter for Fast Ether...

Page 74: ...pply SNMP and Console LEDs Booting and Configuration Software is downloadable Configuration is stored in NVRAM Industry Standards Complied With IEEE 802 1 standards document of 10Base T IEEE 802 3u st...

Page 75: ...in FDDI Port Statistics 4 5 Frames Transmitted in FDDI Port Statistics 4 5 full duplex mode enabling 3 16 G H gateway IP address 3 11 Hardware Version in System Configuration 3 9 I Image File Name fo...

Page 76: ...n 3 16 ports and connections overview 1 2 POST diagnostics routine C 1 POST failure indication C 3 power consumption 2 8 R reset effect of 3 21 Rx Broadcast in FE Port Statistics 4 7 Rx Bytes in FE Po...

Page 77: ...Index 3 U Update System Software option B 2 using MIBs 1 11 W warm start effect of 3 20...

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