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Chapter 6. Troubleshooting

This section contains basic troubleshooting information to help resolve problems
that might occur during installation and operation of the switch. If you have
problems accessing the switch or working with the firmware, see the NE1072T

Application Guide

and/or the

Command Reference

For information about calling Lenovo for service, see

Appendix A, “Getting Help

and Technical Assistance“

Summary of Contents for ThinkSystem NE1072T

Page 1: ...Lenovo ThinkSystem NE1072T RackSwitch Installation Guide For Lenovo Cloud Network Operating System ...

Page 2: ...d with the product Third Edition May 2019 Copyright Lenovo 2019 Portions Copyright IBM Corporation 2014 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 Lenovo and the Lenovo logo are trademarks of Lenovo in the United States o...

Page 3: ...ures 17 NE1072T Documentation 18 Notices and Statements in this Document 18 Related Documentation 18 Typographic Conventions 20 Switch Components 21 Switch Unit 22 Management Panel 23 Mini USB Serial Console Port 23 RJ45 Management Port 24 RJ45 Management LEDs 24 Reset Button 24 System Status LEDs 25 USB Port 25 Connecting to the Switch 26 Using the Serial Console Port 26 Using the Management Port...

Page 4: ...e 60 Replacing the Power Supply Module 61 Removing and Replacing a Fan Module 63 Removing the Fan Module 63 Replacing the Fan Module 64 Removing the NE1072T from a Standard Equipment Rack 65 Removing the NE1072T from a Lenovo System x or Power Rack 66 Removing the NE1072T from a Lenovo iDataPlex Rack 69 Removing the Air Duct Option 71 Replacing the NE1072T 72 Preparing and Returning the NE1072T 72...

Page 5: ...is de Conformité à la Réglementation d Industrie Canada 107 Australia and New Zealand Class A Statement 107 European Union Compliance to the Electromagnetic Compatibility Directive 108 Germany Class A Statement 108 Japan VCCI Class A Statement 109 Japan Electronics and Information Technology Industries Association JEITA Statement 109 Korea Communications Commission KCC Statement 110 Russia Electro...

Page 6: ...6 Lenovo NE1072T Installation Guide ...

Page 7: ...installer ce produit lisez les consignes de sécurité Vor der Installation dieses Produkts die Sicherheitshinweise lesen Πριν εγκαταστήσετε το προϊόν αυτό διαβάστε τις Πληροφορίες ασφαλείας safety information A termék telepítés előtt olvassa el a Biztonsági előírásokat Prima di installare questo prodotto leggere le Informazioni sulla Sicurezza Πред да инсталира овој продукт прочитајте информацијата...

Page 8: ...oizvoda preberite Varnostne informacije Antes de instalar este producto lea la información de seguridad Läs säkerhetsinformationen innan du installerar den här produkten Bu ürünü kurmadan önce güvenlik bilgilerini okuyun Youq mwngz yungh canjbinj neix gaxgonq itdingh aeu doeg aen canjbinj soengq cungj vahgangj ancien suisik ...

Page 9: ...s Do not install in direct sunlight or a damp or dusty place Do not expose the device to moisture or water Disconnect all power supply cords before servicing Electrical Safety Precautions For your protection observe the following electrical safety precautions when setting up your equipment Ensure that the voltage and frequency of your power source match the voltage and frequency inscribed on the e...

Page 10: ...vironment compatible with the maximum ambient temperature Tma specified by the manufacturer Reduced Air Flow Installation of the equipment in a rack should be such that the amount of air flow required for safe operation of the equipment is not compromised Mechanical Loading Mounting of the equipment in the rack should be such that a hazardous condition is not achieved due to uneven mechanical load...

Page 11: ...fore you install the device Following is a compilation of the statements found throughout this manual Statement 3 CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the ...

Page 12: ... any part that has the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached There are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service technician Statement 13 DANGER 1 2 Overloading a branch circuit is potentially a fire hazard and a shock hazard under certai...

Page 13: ...Connect all power cords to a properly wired and grounded power source Connect to properly wired power sources any equipment that will be attached to this product When possible use one hand only to connect or disconnect signal cables Never turn on any equipment when there is evidence of fire water or structural damage Disconnect the attached ac power cords dc power sources network connections telec...

Page 14: ...er at the ac power distribution unit For dc systems disconnect dc power sources at the breaker panel or by turning off the power source Then remove the dc cables 2 Remove the signal cables from the connectors 3 Remove all cables from the devices When you populate a rack cabinet adhere to the following guidelines Always lower the leveling pads on the rack cabinet Always install the stabilizer brack...

Page 15: ...duct is also designed for IT power distribution systems with phase to phase voltage of 230V This product is not intended for use in the direct field of view at visual display workplaces Machinenlärminformations Verordnung 3 GPSGV der höchste Shalldruckpegel beträgt 70 dB A oder weniger ...

Page 16: ...16 NE1072T Installation Guide ...

Page 17: ... four 10 GbE ports Orientation Airflow and Redundancy The NE1072T is 1U in height and can be mounted horizontally or vertically depending on your application Mounting options are available for a variety of rack systems For superior reliability the NE1072T uses redundant hot swap power supply modules and five hot swap fan modules Module options are available for either front to rear airflow or rear...

Page 18: ...d just before the instruction or situation in which damage could occur Caution These statements indicate situations that can be potentially hazardous to you A caution statement is placed just before the description of a potentially hazardous procedure step or situation Danger These statements indicate situations that can be potentially lethal or extremely hazardous to you A danger statement is pla...

Page 19: ... switch statistics and individual configuration parameters see the Command Reference guide for your specific switch and its installed firmware For a list of compatible switch components and options such as rack mounting kits modules cords and cables see the Lenovo Networking Catalog ...

Page 20: ...ate real name or value when using the command Do not type the brackets To establish a Telnet session enter NE1072T telnet IP address This also shows book titles special terms or words to be emphasized Read your User s Guide thoroughly Command items shown inside brackets are mandatory and cannot be excluded Do not type the brackets NE1072T copy ftp sftp Command items shown inside brackets are optio...

Page 21: ... Copyright Lenovo 2019 21 Chapter 2 Switch Components This chapter describes the NE1072T hardware components ...

Page 22: ...horizontal or vertical orientation The following illustrations show the features on the front and rear of the switch Figure 1 ThinkSystem NE1072T front panel Figure 2 ThinkSystem NE1072T management panel detail Figure 3 ThinkSystem NE1072T rear panel IEC320 Power Connector IEC320 Power Connector Fan Modules Power Supply Modules ...

Page 23: ... on the front panel Connect one end of the Category 5 patch cable to the RJ45 port on the console cable and the other end of the patch cable to the RJ45 to DB9 adapter which then connects to the computer or terminal see the following illustration Figure 4 Mini USB console cable connections If using cables other than those from the included cable kit ensure that they are compatible with the port pi...

Page 24: ...thin a hole on the front panel Use a straightened paper clip or similar object to press the Reset button The Reset button allows technicians to reset the switch as follows Normal reset press and release the Reset button The switch starts a forced reload procedure without saving the current running configuration This action is intended for when the switch is unresponsive and needs to be restarted t...

Page 25: ...B drive to the switch but copying files to the NTFS formatted USB drive results in failure For more information about using the USB drive see the Lenovo ThinkSystem NE1072T RackSwitch Application Guide Table 4 System status LEDs behavior LED State Functional Meaning All Off Total power failure Service Steady Blue An operational command has been sent to light the LED so that this device can be more...

Page 26: ... the console cable kit to connect the serial console port to a terminal or a computer running a terminal emulation program The console port terminal emulation requirements are as follows Default baud rate 9 600 bps Character size 8 characters Parity none Stop bits 1 Data bits 8 Flow control none Using the Management Port If the switch is connected to a network that employs DHCP you can also access...

Page 27: ...s Direct Attach Copper DAC cables and Active Optical Cables AOC see the Lenovo Networking Catalog BASE T RJ45 Ports Forty eight 1000 10G BASE T RJ45 ports are available on the front panel By default the NE1072T has its BASE T RJ45 ports 1 to 48 configured at 10 GBit s QSFP Ports Six 40 GbE Quad Small Form factor Pluggable Plus QSFP ports are located on the front panel A QSFP port can be configured...

Page 28: ...tored If the air temperature exceeds a desired threshold the environmental monitor displays warnings Note If a fan fails the maximum operating temperature drops from 40 C 104 F to 35 C 95 F Fan airflow can be either front to rear or rear to front depending on the fan module Front to Rear airflow air enters the switch through the front panel and exits through the fans on the rear panel The followin...

Page 29: ...mponents 29 The following table describes the fan module LED behavior Table 6 Fan module status LED behavior LED State Functional Meaning On Fan is on and operational Off Fan module has no power Flashing Fan speed failure Replace the fan module ...

Page 30: ...ower telephone and communication cables is hazardous To avoid a shock hazard Do not connect or disconnect any cables or perform installation maintenance or reconfiguration of this product during an electrical storm Connect all power cords to a properly wired and grounded power source Connect to properly wired power sources any equipment that will be attached to this product When possible use one h...

Page 31: ...power modules the switch powers up when power is supplied through the power cord to one or both power supplies To Connect 1 Turn OFF all power sources and equipment that is to be attached to this product 2 Attach signal cables to the product 3 Attach power cords to the product For ac systems use appliance inlets For dc systems ensure correct polarity of 48 V dc connections RTN is and 48 V dc is Ea...

Page 32: ...upply modules The following table describes the power supply module LED behavior Table 7 Power supply module status LED behavior LED State Functional Meaning Power Off No AC power is present Flashing Green Power supply has AC power and is in standby mode Solid Green Power supply is on and operational Flashing Amber Power supply warning event continuing operation high temperature high power high cu...

Page 33: ...d in the package Environmental requirements Vital safety information Installing the switch in one of the supported rack types Installing the NE1072T in a Standard Equipment Rack on page 39 Installing the NE1072T in a Lenovo System x or Power Rack on page 42 Installing the NE1072T in a Lenovo iDataPlex Rack on page 46 Installing the Air Duct Option on page 49 Installing Port Connectors on page 53 N...

Page 34: ...formation labels The actual labels and information for your specific switch may differ The identification labels on the front rear and or bottom of the NE1072T contain the Machine Type Model MTM number serial number part number of the switch These labels also include the Media Access Control MAC address on the rear panel of unit of the switch Though helpful the MAC address is not required for open...

Page 35: ...ch unit Screws to attach the switch unit to the equipment rack One console cable kit that includes One Mini USB to RJ45 console cable One Category 5 patch cable One RJ45 to DB9 adapter One Important Notices document One Warranty Information document For a list of compatible switch components and options such as rack mounting kits modules cords and cables see the Lenovo Networking Catalog Environme...

Page 36: ... CSA certified cord set consisting of a minimum of 18 AWG Type SVT or SJT three conductor cord a maximum of 15 feet in length and a parallel blade grounding type attachment plug rated 15 amperes 125 volts For units intended to be operated at 230 volts U S use Use a UL listed and CSA certified cord consisting of a minimum of 18 AWG Type SVT or SJT three conductor cord a maximum of 15 feet in length...

Page 37: ...lation and configuration procedures Connect and disconnect cables as described in the following table when you install move or open covers on this product or attached devices To Connect 1 Turn OFF all power sources and equipment that is to be attached to this product 2 Attach signal cables to the product 3 Attach power cords to the product For ac systems use appliance inlets For dc systems ensure ...

Page 38: ...evice from its package and install it directly into the switch without setting it down If it is necessary to set down the device put it back into its static protective package Do not place the device on a switch cover or on a metal surface Take additional care when you handle devices during cold weather Heating reduces indoor humidity and increases static electricity Cabling Guidelines Make sure t...

Page 39: ...section describes how to install the NE1072T in a standard 19 inch equipment rack using the mounting kit included with the switch For information about mounting the switch in other supported racks see the appropriate section in this chapter The following parts are included in the standard mounting kit Attention The rack mounting frame may be unable to support the weight of the switch with only the...

Page 40: ...onfigure and register your product See Before Installing the NE1072T on page 34 Note If this switch is a replacement switch copy the product information from the original switch onto the RID label that is shipped with replacement switch and affix the new label to the bottom of the new switch 2 Attach a mounting bracket Item 1 to each side of the switch with M4 screws Item 2 Torque the screws to ap...

Page 41: ...M6 screws Item 3 and either clip nuts Item 4 or cage nuts Item 5 Torque the screws to approximately 5 7 Nm 0 1 Nm 50 inch pounds 5 Connect all external cables in accordance with the Cabling Guidelines on page 38 6 Initialize the switch See Chapter 5 Initializing the NE1072T on page 75 7 If the switch is a replacement unit set Vital Product Data see Configuring Vital Product Data on page 72 3 4 ...

Page 42: ...tem x or Power 4 post rack the 4 Post Rail Kit is compatible with the optional air duct kit available separately See Installing the Air Duct Option on page 49 for details Statement 26 CAUTION Do not place any object on top of rack mounted devices Table 10 Lenovo Adjustable 19 4 Post Rail Kit parts Item number Description Quantity 1 Switch front bracket 2 2 M4 screws 16 3 M6 screws 8 4 M6 clip nuts...

Page 43: ... your product See Before Installing the NE1072T on page 34 Note If this switch is a replacement switch copy the product information from the original switch onto the RID label that is shipped with replacement switch and affix the new label to the bottom of the new switch 2 Attach the front mounting brackets Item 1 to each side of the switch with M4 screws Item 2 Torque the screws to approximately ...

Page 44: ...ght 4 Secure the switch to the front rack posts with M6 screws Item 3 and either clip nuts Item 4 or cage nuts Item 5 Torque the screws to approximately 5 7 Nm 0 1 Nm 50 inch pounds 5 Slide the rear mounting brackets Item 7 and Item 8 into the slots available on the front mounting brackets 5 3 8 7 ...

Page 45: ...0 inch pounds 7 Secure the rear brackets to the front brackets with M3 5 screws Item 6 Torque the screws to approximately 0 5 Nm 4 inch pounds 8 If installing the 1U air duct option see the instruction on page 49 9 Connect all external cables in accordance with the Cabling Guidelines on page 38 10 Initialize the switch See Chapter 5 Initializing the NE1072T 11 If the switch is a replacement unit s...

Page 46: ...be able to support the weight of the networking switch with only the front post mounting brackets 2 post application If the switch has an undesirable amount of sag it is recommended to use a 4 post mounting kit Attention For earthquake stability mount the switch in a 4 post rack Statement 26 CAUTION Do not place any object on top of rack mounted devices Table 11 Lenovo Adjustable 19 4 Post Rail Ki...

Page 47: ...n from the original switch onto the RID label that is shipped with replacement switch and affix the new label to the bottom of the new switch 2 Attach front mounting brackets Item 1 and rear mounting brackets Item 5 to each side of the switch with M4 screws Item 2 Torque the screws to approximately 2 newton meters Nm 0 1 Nm 17 7 inch pounds 3 From the front slide the switch into the rack at the de...

Page 48: ...imately 5 7 Nm 0 1 Nm 50 inch pounds 6 If installing the 1U air duct option see the instruction on page 49 7 Connect all external cables in accordance with the Cabling Guidelines on page 38 8 Initialize the switch See Chapter 5 Initializing the NE1072T 9 If the switch is a replacement unit set Vital Product Data see Configuring Vital Product Data on page 72 6 3 4 ...

Page 49: ... duct option see Removing the Air Duct Option on page 71 The following table lists the parts included with the air duct option kit Attention The rack mounting frame may not be able to support the weight of the networking switch with only the front post mounting brackets 2 post application If the switch has an undesirable amount of sag it is recommended to use a 4 post mounting kit Attention For ea...

Page 50: ... them aside to reuse for securing the foam carrier in the next step 2 Place the half shears on the rear side of the foam carriers and use the M3 5 mounting rail screws to secure the foam carrier assemblies snugly against the rear of the NE1072T unit Torque the screws to approximately 1 1 Nm 0 1 Nm 10 inch pounds Note There are additional M3 5 screws in the air duct assembly kit Half shear Foam car...

Page 51: ...mounting brackets to secure the air duct mounting brackets with 4 post mounting brackets together 4 Secure the air duct mounting bracket to the rack chassis with M3 5 screws Torque the screws to approximately 1 1 Nm 0 1 Nm 10 inch pounds 5 Plug the power cords into their respective NE1072T power connectors and using tie wraps secure the power cords to the mounting rails M3 5 screws Air duct mounti...

Page 52: ...ir duct unit side flanges into the card guides until the unit is seated firmly Make sure that the foam strip is oriented on top 7 Secure the air duct unit to the air duct brackets with the two M4 thumbscrews M4 thumbscrews Side flanges Card guides Foam ...

Page 53: ... install a supported transceiver see Installing a Transceiver on page 54 BASE T RJ45 Port Slots Approved RJ45 cables are supported in BASE T RJ45 port slots QSFP Port Slots Quad Small Form factor Pluggable Plus QSFP port slots support the following approved connector types 40 GbE QSFP optical transceivers 40 GbE QSFP DAC cables 40 GbE QSFP Active Optical Cables 10 GbE SFP copper or optical transce...

Page 54: ...an 1 Laserlaite Appareil À Laser de Classe 1 To install a transceiver in a SFP QSFP SFP28 or QSFP28 port slot on the switch complete the following steps 1 Remove the port slot s safety cap 2 Remove the transceiver s safety cap and pull its bail clasp if any into the up position 3 Insert the transceiver into the port slot until it clicks into place Use minimal pressure when you insert the transceiv...

Page 55: ...e following the Cabling Guidelines on page 38 and then insert the cable into the transceiver until it clicks into place To remove a transceiver disconnect the cable and pull down the bail clasp if any This releases the transceiver After you remove the transceiver cover it using its safety cap ...

Page 56: ...56 NE1072T Installation Guide ...

Page 57: ...g hot swap modules Removing and Replacing a Power Supply Module on page 59 Removing and Replacing a Fan Module on page 63 Removing the switch from one of the supported rack types Removing the NE1072T from a Standard Equipment Rack on page 65 Removing the NE1072T from a Lenovo System x or Power Rack on page 66 Removing the NE1072T from a Lenovo iDataPlex Rack on page 69 Removing the Air Duct Option...

Page 58: ...1 Laser Product Laser Klasse 1 Laser Klass 1 Luokan 1 Laserlaite Appareil À Laser de Classe 1 To remove one of the installed transceiver modules from the switch complete the following steps 1 Disconnect the port cable from the transceiver 2 Pull down the bail clasp if any to release the transceiver 3 Gently slide the transceiver out of the switch 4 After you remove the transceiver cover it using i...

Page 59: ...swap power supply modules Two active power supply modules are required for load sharing and redundancy If one power supply module fails you can replace it without powering off the switch or disrupting switch functions For proper airflow when operating the switch with only one power supply module the empty power supply bay must be closed by a blank power filler plate ...

Page 60: ... complete the following steps 1 Remove the power cord from the module s power connector 2 Press the release latch of the power supply module and slide the module out of the bay Attention Do not leave the power supply bay empty for more than 90 seconds while the switch is operating Either replace the power supply module or install a blank power filler plate To return the component to customer servi...

Page 61: ... source Connect to properly wired power sources any equipment that will be attached to this product When possible use one hand only to connect or disconnect signal cables Never turn on any equipment when there is evidence of fire water or structural damage Disconnect the attached ac power cords dc power sources network connections telecommunications systems and serial cables before you open the de...

Page 62: ...F all power sources and equipment that is to be attached to this product 2 Attach signal cables to the product 3 Attach power cords to the product For ac systems use appliance inlets For dc systems ensure correct polarity of 48 V dc connections RTN is and 48 V dc is Earth ground should use a two hole lug for safety 4 Attach signal cables to other devices 5 Connect power cords to their sources 6 Tu...

Page 63: ...ore attempting to remove or replace a fan module Removing the Fan Module CAUTION Be sure to finish the replacement procedure promptly The switch could overheat if left without cooling for an extended period To remove a hot swap fan module complete the following steps 1 Loosen the retainer screw 2 Grasp the extractor handle and gently pull the fan module from the slot Attention If the inlet air tem...

Page 64: ...t 2 Remove the new fan module from the antistatic shielded bag 3 Slide the fan module into the card guides in the open slot and gently push it all the way into the slot so that it firmly engages with the connector see the illustration Each fan module has a mechanical guide key to prevent you from inserting the module incorrectly 4 Tighten the retaining screw on the fan module Torque the screw to a...

Page 65: ...e NE1072T from a standard rack complete the following steps 1 Disconnect all external cables 2 If the air duct option has been installed remove it as described in Removing the Air Duct Option on page 71 3 Loosen and remove M6 screws Item 3 and clip nuts or cage nuts Item 4 to release the switch unit from the rack 4 Slide the switch unit out of the rack 5 Loosen and remove the M4 screws attaching t...

Page 66: ...r Power rack complete the following steps 1 Disconnect all external cables 2 If the air duct option has been installed remove it as described in Removing the Air Duct Option on page 71 3 Loosen and remove M3 5 screws that secure the rear brackets to the front brackets 4 Loosen and remove the M6 screws and clip nuts or cage nuts that attach the filler plate and rear mounting brackets to the rear ra...

Page 67: ...and Replacing Components 67 5 Slide the rear mounting brackets out of their slots in the front mounting brackets 6 Loosen and remove the M6 screws and clip nuts or cage nuts connecting the front mounting brackets to the front rack posts 8 7 5 3 ...

Page 68: ... 7 Slide the NE1072T unit out of the rack 8 Loosen and remove the M4 screws that attach the front mounting brackets to each side of the switch 9 If replacing the unit with another NE1072T see Replacing the NE1072T on page 72 2 1 1 ...

Page 69: ...To remove the NE1072T from an iDataPlex rack complete the following steps 1 Disconnect all external cables 2 If the 1U air duct option has been installed remove it as described in Removing the Air Duct Option on page 71 3 Loosen and remove the M6 screws washer and clip nuts that attach the alignment plate 4 Loosen and remove the M6 screws and clip nuts that mount the switch into the rack 6 3 4 3 4...

Page 70: ...e 5 Slide the switch out of the rack 6 Loosen and remove the M4 screws that attach front and rear mounting brackets to each side of the switch 7 If replacing the unit with another NE1072T see Replacing the NE1072T on page 72 1 2 6 ...

Page 71: ...e following steps 1 Loosen the M4 thumbscrews securing the air duct unit to the mounting brackets 2 Slide the 1U air duct unit out of the rack To return the component to customer service for replacement see Appendix A Getting Help and Technical Assistance to help you gather all the required information After you remove the component securely pack it for shipping For instructions to install a repla...

Page 72: ...d fan modules For details see Removing and Replacing a Power Supply Module on page 59 and Removing and Replacing a Fan Module on page 63 Install the replacement NE1072T hardware as directed in Chapter 3 Installing NE1072T Hardware and Options Once the hardware is installed configure the Vital Product Data VPD on the replacement switch as shown in the following section Configuring Vital Product Dat...

Page 73: ...2T and its corresponding Lenovo Network Operating System and firmware version NE1072T config hardware mtm 1234 56X New MTM value 1234 56X Please reset the system for the new changes to take effect NE1072T config hardware esn XX01234 NE1072T reload NE1072T show sys info show boot Current ZTP State Enable Current FLASH software active image version 10 8 5 0 downloaded 13 02 51 UTC Mon Oct 22 2018 st...

Page 74: ...74 NE1072T Installation Guide ...

Page 75: ...c functions Statement 5 CAUTION The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source 1 2 ...

Page 76: ...atus Power Steady green if the power supply modules are on and operational flashing green in case of a power supply failure or off in case of a total power supply failure Service Off if the system is OK or flashing if service is required For additional LED indicators see the appropriate section in Chapter 2 Switch Components ...

Page 77: ...he default username is admin and the default password is admin Notes If the switch has already started prior to your connection you may need to press Enter to display the password prompt After successfully logging into the switch the following CLI prompt is displayed Booting Lenovo CNOS image 1 4019996 bytes read in 338 ms 11 3 MiB s 30611 bytes read in 139 ms 214 8 KiB s Booting active image 1 Bo...

Page 78: ...r Must contain at least one lowercase letter Must contain at least one number Cannot be same as the username Notes After changing the default network administrator password you must save the current running configuration Otherwise the new password is not saved To save the current running configuration use one of the following commands If you do not configure a new network administrator password yo...

Page 79: ... you can revert the custom configuration settings to the original factory defaults The original factory default configuration files are a permanent part of the firmware you cannot deleted them or change their original definitions To reset the switch to its factory defaults you can use one of the following methods Use the CLI to reset the switch to factory defaults Erase the switch startup configur...

Page 80: ... two options configure an out of band management IP address and a default gateway configure an in band management IP address over a Switch Virtual Interface SVI interface and an associated default gateway After you configure the IP address for your switch and you have an existing network connection you can use the Telnet program from an external management station to access and control the switch ...

Page 81: ...ce and an associated default gateway 1 Log onto the switch using the serial console port or management port on the NE1072T front panel 2 Enter the SVI interface configuration mode 3 Configure the in band management IP address 4 Configure the in band default gateway NE1072T enable NE1072T configure terminal NE1072T config interface mgmt 0 NE1072T config if NE1072T config if ip address 10 254 87 6 2...

Page 82: ...tion about the configuration file see the Application Guide for your specific switch and firmware version Attention Before you install a firmware update read any release notes readme files and change history files that are provided with the downloaded update These files contain important information about the update and the procedure for installing the update including any special procedure for up...

Page 83: ...pts To boot in recovery mode press R To reset the Network Administrator account admin password press P and follow the screen prompts To reset the password required to enter Privileged EXEC configuration mode press B and follow the screen prompts To reload the switch press Q The reloading process restarts To exit the Boot Management menu press E The reloading process continues The system is going d...

Page 84: ...pgrade using XModem download enter X and follow the screen prompts For more details see Recovering from a Failed Image Upgrade using XModem Download on page 87 To enable the loading of a special image enter P and follow the screen prompts For more details see Physical Presence on page 89 To check if the switch is ready to run Cloud NOS software enter F It performs a check to see if the filesystem ...

Page 85: ...ing Shift B when the following message appears and the dots are being displayed 4 Enter Boot Recovery Mode by selecting R The Recovery Mode menu appears 5 To start the recovery process using TFTP select T The following message appears 6 Enter the IP address of the management port 7 Enter the network mask of the management port 8 Enter the gateway of the management port 9 Enter the IP address of th...

Page 86: ...dr 10 72 97 135 Image Filename NE1072T CNOS 10 8 5 0 imgs Netmask 255 255 255 128 Gateway 10 241 6 66 Configuring management port Installing image NE1072T CNOS 10 8 5 0 imgs from TFTP server 10 72 97 135 Extracting images Do NOT power cycle the switch Installing Application Image signature verified Installing image as standby image 100 Standby image update succeeded Updating install log File NE107...

Page 87: ...covery Mode by selecting R The Recovery Mode menu appears 5 Select X for Xmodem download The following is displayed 6 When you see the following message change the Serial Port speed to 115 200 bps 7 Press Enter to set the system into download accept mode When the readiness meter displays a series of C characters start Xmodem on your terminal emulator The following is displayed 8 Select the image t...

Page 88: ...t Filesystem Image signature verified 100 Installing Kernel Image signature verified 100 Installing Device Tree Image signature verified 100 Installing Boot Loader 100 Updating install log File image installed from xmodem at 18 06 02 on 13 3 2015 Please select one of the following options T Configure networking and tftp download an image X Use xmodem 1K to serial download an image P Physical prese...

Page 89: ...y to confirm 6 A security test is performed The system location blue LED blinks a number of times between 1 and 12 Enter that number 7 After entering the correct number the Recovery Mode menu reappears To install a special image use one of the following procedures TFTP for details see page 85 XModem Download for details see page 87 Note You have three attempts to successfully complete the security...

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Page 91: ...resolve problems that might occur during installation and operation of the switch If you have problems accessing the switch or working with the firmware see the NE1072T Application Guide and or the Command Reference For information about calling Lenovo for service see Appendix A Getting Help and Technical Assistance ...

Page 92: ...n Guide System LED Is Not Lit Symptom The power supply LED is not lit Solution Check the power supply to make sure that there is a proper connection to the power source Make sure that power is available from the power source ...

Page 93: ...he port is configured with a specific speed or duplex mode check the other device to make sure that it is set to the same configuration If the switch port is set to auto negotiate make sure that the other device is set to auto negotiate Solution 2 Check the cables that connect the port to the other device Make sure that they are connected correctly Make sure that you are using the correct cable ty...

Page 94: ...n the front back and sides of the switch are free from obstruction by cables panels rack frames or other materials Make sure that all cooling fans inside the switch are running A fan module LED rear panel flashes if there is a failure of the fan The following CLI command displays fan status If any fan stops during switch operation contact Customer Support NE1072T show sys info ...

Page 95: ...Does Not Initialize Boot Symptom All the switch LEDs stay on and the command prompt is not displayed on the console Solution The operating system might be damaged Use the console port to perform a serial upgrade of the switch firmware See the Command Reference ...

Page 96: ...96 NE1072T Installation Guide ...

Page 97: ...conditions state that you the owner of the Lenovo product are responsible for maintaining and updating all software and firmware for the product unless it is covered by an additional maintenance contract Your service technician will request that you upgrade your software and firmware if the problem has a documented solution within a software upgrade If you have installed new hardware or software i...

Page 98: ...r in the Lenovo product documentation The Lenovo product documentation also describes the diagnostic tests that you can perform The documentation for most systems operating systems and programs contains troubleshooting procedures and explanations of error messages and error codes If you suspect a software problem see the documentation for the operating system or program ...

Page 99: ...ss or implied warranties in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this p...

Page 100: ... may vary significantly Some measurements may have been made on development level systems and there is no guarantee that these measurements will be the same on generally available systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific environment ...

Page 101: ...he United States other countries or both Intel and Intel Xeon are trademarks of Intel Corporation in the United States other countries or both Internet Explorer Microsoft and Windows are trademarks of the Microsoft group of companies Linux is a registered trademark of Linus Torvalds Other company product or service names may be trademarks or service marks of others ...

Page 102: ...he largest currently supported drives that are available from Lenovo Maximum memory might require replacement of the standard memory with an optional memory module Each solid state memory cell has an intrinsic finite number of write cycles that the cell can incur Therefore a solid state device has a maximum number of write cycles that it can be subjected to expressed as total bytes written TBW A d...

Page 103: ...vo Switch You may send your request in writing to the address below accompanied by a check or money order for 5 to Lenovo Legal Department 8001 Development Dr Morrisville NC 27560 U S A Attention Open Source Team Source Code Requests Please include both a NOS Release version and model number or Machine Type MT of your Lenovo Switch as part of your request Be sure to provide a return address The op...

Page 104: ...rmation technology IT equipment to responsibly recycle their equipment when it is no longer needed Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products For information on recycling Lenovo products go to https www lenovo com recycling ...

Page 105: ...e Lenovo may condition provision of repair or replacement of devices or parts on implementation of appropriate remedial measures to mitigate such environmental contamination Implementation of such remedial measures is a customer responsibility Contaminant Limits Particulate The room air must be continuously filtered with 40 atmospheric dust spot efficiency MERV 9 according to ASHRAE Standard 52 21...

Page 106: ...roduct may not be certified in your country for connection by any means whatsoever to interfaces of public telecommunications networks Further certification may be required by law prior to making any such connection Contact a Lenovo representative or reseller for any questions ...

Page 107: ...s own expense Properly shielded and grounded cables and connectors must be used to meet FCC emission limits Lenovo is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment Unauthorized changes or modifications could void the user s authority to operate the equipment This de...

Page 108: ...Klasse A EU Richtlinie zur Elektromagnetischen Verträglichkeit Dieses Produkt entspricht den Schutzanforderungen der EU Richtlinie 2014 30 EU früher 2004 108 EC zur Angleichung der Rechtsvorschriften über die elektromagnetische Verträglichkeit in den EU Mitgliedsstaaten und hält die Grenzwerte der Klasse A der Norm gemäß Richtlinie Um dieses sicherzustellen sind die Geräte wie in den Handbüchern b...

Page 109: ...en Die Genehmigung wird erteilt wenn keine elektromagnetischen Störungen zu erwarten sind Auszug aus dem EMVG Paragraph 3 Abs 4 Dieses Genehmigungsverfahrenist nach Paragraph 9 EMVG in Verbindung mit der entsprechenden Kostenverordnung Amtsblatt 14 93 kostenpflichtig Anmerkung Um die Einhaltung des EMVG sicherzustellen sind die Geräte wie in den Handbüchern angegeben zu installieren und zu betreib...

Page 110: ...netic wave compatibility equipment for business Type A Sellers and users need to pay attention to it This is for any areas other than home Russia Electromagnetic Interference EMI Class A statement People s Republic of China Class A electronic emission statement Taiwan Class A compliance statement ...

Page 111: ...diphenyl ethers PBDE 外殼印刷電路板電源供應器線材備考 1 超出 0 1 wt 及超出 0 01 wt 係指限用物質之百分比含量超出百分比含量基準值 Note 1 Exceeding 0 1 wt and exceeding 0 01 wt indicate that the percentage content of the restricted sub stance exceeds the reference percentage value of presence condition 備考 2 係指該項限用物質之百分比含量未超出百分比含量基準值 Note 2 indicates that the percentage content of the restricted substance does not exceed the reference pe...

Page 112: ...112 NE1072T Installation Guide ...

Page 113: ... Copyright Lenovo 2019 113 Appendix C Technical Specifications The NE1072T technical specifications are described in the following sections ...

Page 114: ... of the NE1072T are listed in the following table Table 13 Physical characteristics Specification Physical characteristics Dimensions H x W x D 4 35 x 44 1 x 48 7 cm 1 71 x 17 4 x 19 2 in Weight 11 5 kg 25 lb maximum Airflow Available options for rear to front or front to rear airflow ...

Page 115: ...fication Measurement Temperature ambient operating 0 C to 40 C 32 F to 104 F Temperature one fan failure operating 0 C to 35 C 32 F to 95 F Temperature storage 40 C to 75 C 40 F to 167 F Relative humidity non condensing operating 10 to 90 Relative humidity non condensing storage 10 to 90 Altitude operating 2000 m 6562 ft Altitude storage N A Acoustic noise Less than 65 dB Heat dissipation 690 BTU ...

Page 116: ...dant AC input frequency universal 50 60 Hz AC input voltage universal 100 240 VAC AC inrush current 13 A AC input current typical 1 68 A RMS 120 VAC 0 85 A RMS 230 VAC AC input current maximum 2 63 A RMS 120 VAC 1 35 A RMS 230 VAC Power supply rated output power 770 W each front to rear airflow 770 W each rear to front airflow System power dissipation typical 201 W System power dissipation maximum...

Page 117: ...nstalled For more information see the Application Guide and Command Reference for your specific switch and its installed firmware Table 16 NE1072T feature performance characteristics Feature Characteristics Switching architecture Non blocking Throughput 1 44 Tbps switching throughput Ethernet line rate 100 IEEE 802 1Q VLANs 4095 with 4K VLAN IDs up to 4092 VLANs can be configured Forwarding databa...

Page 118: ...118 NE1072T Installation Guide ...

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