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AR Router Troubleshooting Guide

This Product Documentation provides guidance for maintaining AR Enterprise Router, covering common information collection and fault diagnostic commands, typical fault troubleshooting guide, and troubleshooting.
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How Can I View the Serial Number of a Device?

How Can I View the Serial Number of a Device?

Viewing the Serial Number Label Attached to the Device

Serial number labels are attached to AR enterprise routers. You can view these labels to obtain the serial numbers of AR routers. For an AR router that cannot have MPUs installed, its serial number label is attached to the rear panel of the router. For an AR router that can have cards installed, its serial number label is attached to the chassis. The number following SN or ESN on the label indicates the serial number of the device.

Obtain the Serial Number Using a Command.

  • Log in to the device through Telnet or a console port, and run the display esn command in the user view to view the device serial number.

    <Huawei> display esn 
     ESN of device: 2102113374P0B8000064
  • Log in to the device through Telnet or a console port, and run the display sn command in the user view to view the device serial number.

    <Huawei> display sn
    Equipment SN(ESN): AR00050123456789                                             
    License ESN: AR00050123456789                                                   
    Slot  Sub Type             SN                       P/N                         
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -                   
    1     -   2FE              020XTQ10C3000017         03020XTQ                    
    2     -   1SA              020YNB10B5000151         03020YNB                    
    3     -   1CPOS-155M       021AQU10C1000041         03021AQU                    
    4     -   1ADSL-A/M        020XTT10B5000153         03020XTT                    
    5     -   8FE1GE           020XTN10BA000044         03020XTN                    
    8     -   1STM4            021XHD10E1000001         03021XHD                    
    11    -   SRU40            AR00050123456789         02129615                    
    9     -   PWR350A          2102310CWN10B6000195     02310CWN                    
    12    -   FAN              21021206134JB9000205     02120613                    

Obtain the Serial Number Through the Web System.

  • Log in to the web system page, choose Device Information, and select Device Information from the Item drop-down list box on the upper right corner of the page. Equipment serial number in Device Information indicates the serial number.

    Figure 29-13  Device Information

  • Log in to the web system page, and choose System Management > Electronic Label, as shown in Figure 29-14. Electronic Label indicates the serial number.

    Figure 29-14  Electronic Label

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Updated: 2019-05-10

Document ID: EDOC1000079719

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