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HUAWEI NIP6800 Series V500 Hardware Guide

This document of the NIP6800 Series describes hardware structure, installation guide, and hardware maintenance. The content of this document includes the appearance and specifications of the product, the supported expansion cards, preparation before the installation, installation, cabling, and hardware replacement.
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Replacing an MPU/SRU

Replacing an MPU/SRU

This section describes the precaution and procedure for replacing an MPU/SRU.

Context

Before replacing a Main Processing Unit (MPU)/Switch and Route Processing Unit (SRU), note the following:

  • When the system is running, you can replace only the standby MPU/SRU.

  • If you need to replace the active MPU/SRU, you must first perform an active/standby switchover to enable the active MPU/SRU to be replaced to become the standby one.

  • During MPU replacement, you can use either CF card 1 of the to-be-replaced MPU or that of the new MPU. Specific operations vary in these two scenarios.

  • The system software package and configuration file in the new MPU/SRU must be consistent with those in the MPU/SRU to be replaced.

  • The NIP6800 can use the MPU/SRU ESN and backplane ESN to apply for a license file. If the license file is requested with the backplane ESN, services can operate properly, without the reapplication of the license file. If the license file is requested with the ESN of the MPU/SRU to be replaced, you need to reapply for the license file after the MPU/SRU is replaced.

  • After creating an SSH user and RSA key pair, log in to the device through SSH. If the MPU/SRU needs to be replaced, replace the MPU/SRU and then run the rsa local-key-pair create command to create an RSA key pair that has the same name as that on the previous MPU/SRU. Otherwise, you cannot log in to the device through SSH.

Tool

Before replacing an MPU/SRU, you need the following tools:

  • ESD wrist strap or ESD gloves

  • Phillips screwdriver

  • ESD bag

Procedure

  1. Check the software package version.

    Run the display_version command to check the version of the running software package.

  2. Apply for a license file.

    NOTE:

    You are advised to use the backplane ESN to apply for a license file. The display esn all command can be used to query the backplane ESN.

    Note the following points when applying for a license file:

    • To use the ESN of the MPU/SRU to apply for a license file, obtain the revocation code of the license file. Then use the revocation code of the ESN to apply for the license file. For details, see License Application Guide for Security Product on ESDP.
    • If the ESN of the MPU/SRU to be replaced is not used to apply for a license file, you need to reapply for a license file. For details, see Applying for Licenses.

  3. Save the current configuration.

    Run the save command to save the current configuration.

    Run the compare configuration command to compare the saved configuration file and the current configuration file.

  4. Save the startup software package and configuration file on the to-be-replaced MPU to the local PC.
    1. Run the ftp command to establish a connection with the remote FTP server, namely, the local PC.
    2. Run the put xxx.cc command to save the startup software package to the local PC.
    3. Run the put vrpcfg.zip command to save the configuration file to the local PC.
  5. Prepare a new MPU/SRU and check whether there is any bent pin in the connector.
  6. Check the location of the MPU/SRU to be replaced.

    Before pulling out an MPU/SRU that is to be replaced, determine the location of the MPU/SRU, that is, the cabinet, chassis, and slot where the MPU/SRU resides. The NIP6800 have two MPUs/SRUs.
    • The MPUs of the NIP6830 reside in slots 4 and 5.
    • The SRUs of the NIP6860 reside in slots 9 and 10.

    Locate the MPU/SRU to be replaced in the chassis and label the MPU/SRU.

  7. Check whether the MPU/SRU to be replaced is the active MPU/SRU.

    Run the display device command to check the slot number of the current MPU/SRU. If the MPU/SRU to be replaced is the active one, you must run the slave switchover command on the console interface to force the active/standby switchover. If the output is displayed as follows on the console interface, the switchover is successful. Then run the display device command to check the slot number of the MPU/SRU after the active/standby switchover. If the MPU to be replaced is the standby MPU, these operations are unnecessary.

    [sysname] standby switchover enable
    [sysname] standby switchover
    Caution!!! Confirm switch standby to active[Y/N]? y 
    Switching....................................
    [sysname]

  8. Remove the cables from the MPU/SRU and label the cables.
  9. Power off the MPU/SRU to be replaced.

    Press and hold the OFL button on the panel of the MPU/SRU for six seconds until the OFL indicator is on.

  10. Pull out the MPU/SRU to be replaced from the chassis.
    1. Put on the ESD wrist strap and connect the grounding terminal to the ESD jack on the rack.
    2. Using a Phillips screwdriver, turn the two captive screws on the board counter-clockwise to loosen them, as shown in Figure 3-1 (1).
    3. Turn the ejector levers on the panel of the MPU/SRU outward and upward. When the ejector levers and the panel form a 45-degree angle, the MPU/SRU is removed from the backplane, as shown in Figure 3-1 (2).
    4. Hold the ejector levers on the panel of the MPU/SRU and pull out the MPU/SRU smoothly from the chassis along the guide rail of the slot. After the MPU/SRU protrudes from the chassis by roughly 40 cm, support the lower edge of the MPU/SRU with one hand and hold the panel of the MPU/SRU with the other hand. Then, pull out the MPU/SRU smoothly from the slot, as shown in Figure 3-1 (3).
    5. Place the moved MPU/SRU in the ESD bag.

      Figure 3-1  Removing an MPU/SRU

  11. (Optional) To use CF card 1 on the to-be-replaced MPU, remove it from this MPU and insert it to the new MPU.

    To use CF card 1 of the new MPU, skip this step and go to 12.

    1. Remove CF card 1 from the to-be-replaced MPU and the new MPU.

      Press the button above the jack of CF card 1, as shown in (1) in Figure 3-2. Then the CF card automatically comes out. Pull out the CF card horizontally, as shown in (2) of Figure 3-2.

      Figure 3-2  Removing CF card 1

    2. Put CF card 1 removed from the new MPU into the electrostatic discharge (ESD) bag.
    3. Insert CF card 1 removed from the to-be-replaced MPU to the CF card 1 slot of the new MPU and press the CF card as shown in (1) in Figure 3-3.

      Figure 3-3  Inserting CF card 1

  12. Insert the new MPU/SRU into the chassis.
    1. Support the lower edge of the new MPU/SRU with one hand and hold the panel with the other hand. Then, insert the new MPU/SRU smoothly into the chassis along the guide rail of the slot. Stop sliding the MPU/SRU forward when the ejector levers on the front panel of the MPU/SRU reach the chassis, as shown in Figure 3-4 (1).
    2. Turn the ejector levers on the MPU/SRU outward and upward to form a 45-degree angle, and at the same time push the MPU/SRU into the slot. Then, turn the ejector levers inward and downward until the panel of the MPU/SRU touches the slot, as shown in Figure 3-4 (2).
    3. Using the Phillips screwdriver, turn the two captive screws clockwise to tighten them, as shown in Figure 3-4 (3).

      Figure 3-4  Inserting an MPU/SRU

  13. Restart the new MPU. During device startup, press Ctrl+B when message "Press Ctrl+B to enter Main Menu" is displayed and enter the BootROM password (WWW@HUAWEI by default) to enter the extended BootROM menu.
  14. (Optional) To use CF card 1 of the new MPU, you need to load the startup software package, PAF file, license file, and configuration file saved to the local PC to CF card 1.

    To use CF card 1 of the to-be-replaced MPU, skip this step and go to 15.

    1. In the main menu, enter 3 to enter the Ethernet submenu.

                Main Menu(bootload ver: 163.00)                                       
                                                                                      
           1. Boot with default mode                                                  
           2. Boot from CFcard                                                        
           3. Enter ethernet submenu                                                  
           4. Set boot file and path                                                  
           5. Modify boot ROM password                                                
           6. Chkdsk CFcard                                                           
           7. Format CFcard                                                           
           8. List file in CFcard                                                     
           9. Delete file from CFcard                                                 
          10. Set patch mode                                                          
          11. Set version back signal                                                 
          12. Reboot                                                                  
                                                                                      
          Press Ctrl+B to return Main Menu in any sub menu.                           
                                                                                      
      Enter your choice(1-12): 3   
      

    2. In the Ethernet submenu, enter 3 to modify Ethernet interface boot parameters. As shown in the output, the parameters that must be set are commented. For the other parameters, keep the default values. After the settings are complete, return to the Ethernet submenu.

                                                                                      
                Ethernet Submenu                                                      
                                                                                      
           1. Download file to SDRAM through ethernet interface and boot              
           2. Download file to CFcard through ethernet interface                      
           3. Modify ethernet interface boot parameters                               
           4. Return to main menu                                                     
                                                                                      
      Enter your choice(1-4): 3
                                                                                      
      Note: two protocols for download, tftp & ftp.                                   
            You can modify the flags following the menu.                              
            tftp--0x80, ftp--0x0.                                                     
                                                                                      
      '.' = clear field;  '-' = go to previous field;  ^D = quit                      
                                                                                      
      boot device          : mottsec3                                                 
      processor number     : 0                                                        
      host name            : host                                                     
      file name            : vxWorks.st   V500R001_software.cc   //Indicates the name of the file to be downloaded.
      inet on ethernet (e) : 192.168.71.0   172.16.104.208      //Indicates the IP address of the local interface. This IP address must reside on the same subnet as the FTP server IP address.
      inet on backplane (b):                                                          
      host inet (h)        : 192.168.61.0   172.16.104.10       //Indicates the IP address of the FTP server
      gateway inet (g)     :                            //Indicates the gateway IP address. You need to set this parameter when the IP address of the local interface resides on a different subnet as the FTP server IP address.
      user (u)             : 8090   ftp123  //Indicates the FTP user name. This user name must already have been set on the device that provides the FTP service.    
      ftp password (pw) (blank = use rsh): ******   Hello@123      //Indicates the FTP password. This password must already have been set on the device that provides the FTP service.    
      flags (f)            : 0x0                        //Indicates the protocol used for downloading files. 0x0 indicates FTP, and 0x80 indicates TFTP. Here, FTP is used as an example.      
      target name (tn)     :                                                          
      startup script (s)   :                                                          
      other (o)            :                                                          
                                                                                      
                                                                                      
      

    3. In the Ethernet submenu, enter 2 to download the file to the CF card.

                Ethernet Submenu                                                      
                                                                                      
           1. Download file to SDRAM through ethernet interface and boot              
           2. Download file to CFcard through ethernet interface                      
           3. Modify ethernet interface boot parameters                               
           4. Return to main menu                                                     
                                                                                      
      Enter your choice(1-4): 2                                                       
      

    4. In the submenu, enter 1 to download the file to CF card 1.

                                                                                      
                Download to CFcard through ethernet interface Submenu                 
                                                                                      
           1. Download file to CFcard                                                 
           2. Download file to CFcard2                                                
           3. Return to up menu                                                       
                                                                                      
      Enter your choice(1-3): 1                                                       
      Attaching interface lo0... done                                                 
      Attached IPv4 interface to mottsec unit 3                                       
                                                                                      
      boot device          : mottsec                                                  
      unit number          : 0                                                        
      processor number     : 0                                                        
      host name            : host                                                     
      file name            : V500R001_software.cc                                     
      inet on ethernet (e) : 172.16.104.208                                           
      host inet (h)        : 172.16.104.10                                            
      user (u)             : ftp123                                                   
      ftp password (pw)    : ******                                                   
      flags (f)            : 0x0                                                      
                                                                                      
      Loading.........................................................................  
      ................................................................................  
      ................................................................................  
      ................................................................................  
      .....Done!                                                                        
                                                                                        
      Writing to CFcard...Done!
      

    5. Repeat 14.b, 14.c, and 14.d to download the PAF file, license file, and configuration file to CF card 1 respectively.
    6. Return to the BootROM main menu.
  15. Set the startup software package and configuration file.
    1. Enter 4 in the main menu to access the menu for setting the startup file.

                                                                         
                Main Menu(bootload ver: 163.00)                                       
                                                                                      
           1. Boot with default mode                                                  
           2. Boot from CFcard                                                        
           3. Enter ethernet submenu                                                  
           4. Set boot file and path                                                  
           5. Modify boot ROM password                                                
           6. Chkdsk CFcard                                                           
           7. Format CFcard                                                           
           8. List file in CFcard                                                     
           9. Delete file from CFcard                                                 
          10. Set patch mode                                                          
          11. Set version back signal                                                 
          12. Reboot                                                                  
                                                                                      
          Press Ctrl+B to return Main Menu in any sub menu.                           
                                                                                      
      Enter your choice(1-12): 4                                          
                                                                                      
                                                                                      
      

    2. In the boot files submenu, enter 1 and then specify the system software for the next startup.

                                                                         
                Boot Files Submenu                                                    
                                                                                      
           1. Modify the boot file                                                    
           2. Modify the paf file                                                     
           3. Modify the license file                                                 
           4. Modify the config file                                                  
           5. Modify the patch file                                                   
           6. Modify the patch states file                                            
           7. Return to main menu                                                     
                                                                                      
      Enter your choice(1-7): 1                                                
                                                                                      
       Boot file is cfcard:/NIP6800_v500r001c00spc200b083_linux_x3.cc, modify th
      e file name if needed.                                                          
       Please input correctly, e.g.: cfcard:/V200R001B019.cc cfcard:/V500R001_software.cc     //Enter an absolute path.
      The file name you input is cfcard:/V500R001_software.cc.                        
      Are you sure? Yes or No(Y/N)y                                         
      Setting ...Done!                                                                  
                                                                                        
       Clear version back signal...Done!
                             
      Recover bcf by user command.                                                    
      

    3. Repeat 15.b and specify the PAF and license files to be used for the next startup. The file names are paf.txt and license.txt.
    4. Repeat 15.b to specify the configuration file to be used for the next startup.
    5. In the startup file menu, enter 7 to return to the BootROM main menu.
    6. On the BootROM main menu, enter 12 to restart the device.
  16. Check the running status of the new MPU/SRU.

    Normally, after the new MPU/SRU is inserted into the chassis, the MPU/SRU automatically communicates with the boards in the chassis. In this case, you can check the running status of the new MPU/SRU in the following ways:
    • Check the RUN indicator on the panel of the MPU/SRU. If it is on (green), the MPU/SRU is working normally.
    • Check the alarms. If the system does not generate any alarm related to the new MPU/SRU, the MPU/SRU is working normally.
    • Run the display device command on the console interface. The MPU/SRU is working normally if the displayed output is as follows:
    <sysname> display device
    NIP6860's Device status:
    Slot #    Type    Online    Register      Status      Primary
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    1         SPU        Present   Registered    Normal      NA
    2         SPU        Present   Registered    Normal      NA
    3         SPU        Present   Registered    Normal      NA
    4         SPU        Present   Registered    Normal      NA
    5         SPU        Present   Registered    Normal      NA
    6         LPU        Present   Registered    Normal      NA
    7         LPU        Present   Registered    Normal      NA
    8         LPU        Present   Registered    Normal      NA
    9         MPU        Present   NA            Normal      active
    10        MPU        Present   Registered    Normal      standby
    11        SFU        Present   Registered    Normal      NA
    12        SFU        Present   Registered    Normal      NA
    13        SFU        Present   Registered    Normal      NA
    14        CLK        Present   Registered    Normal      active
    15        CLK        Present   Registered    Normal      standby
    16        PWR     Present   Registered    Normal      NA
    17        PWR     Present   Registered    Normal      NA
    18        FAN        Present   Registered    Normal      NA
    19        FAN        Present   Registered    Normal      NA
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  17. Upload the license file and activate it. For details, see Applying For and Activating a License.

Follow-up Procedure

After replacing the MPU/SRU, collect all tools. If the replaced MPU/SRU is faulty, fill in the Repair Transmission Sheet and send the faulty module with the Repair Transmission Sheet to the equipment supplier or the specified repair service provider.

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Updated: 2019-01-04

Document ID: EDOC1100059253

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