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NE40E V800R010C10SPC500 Commissioning Guide

This is NE40E V800R010C10SPC500 Commissioning Guide
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Checking the Interface Status

Checking the Interface Status

You need to check whether interfaces are in the normal state.

Prerequisites

Procedure

  1. Run the display interface brief [ main ] command to view brief information about all interfaces on the NE40E. The information includes the physical status, protocol status, latest bandwidth usage in the inbound or outbound direction, and number of received or transmitted incorrect packets.

    <HUAWEI> display interface brief
    PHY: Physical
    *down: administratively down
    ^down: standby
    (l): loopback
    (s): spoofing
    (b): BFD down
    (e): EFM down
    (d): Dampening Suppressed
    InUti/OutUti: input utility/output utility
    Interface              PHY     Protocol    InUti  OutUti    inErrors    outErrors
    GigabitEthernet0/0/0     up       up       11.19%  2.67%          0          0
    GigabitEthernet3/0/0     up       up           0%     0%          0          0
    GigabitEthernet3/0/1     up       up           0%     0%          0          0
    GigabitEthernet3/0/2     up       up           0%     0%          0          0
    GigabitEthernet3/0/3     up       up           0%     0%          0          0
    GigabitEthernet3/0/4     up       down         0%     0%          0          0
    GigabitEthernet3/0/5     up       down         0%     0%          0          0
    GigabitEthernet3/0/6     up       down         0%     0%          0          0
    GigabitEthernet3/0/7     up       down         0%     0%          0          0
    NULL0                    up       up(s)        0%     0%          0          0
    GigabitEthernet1/0/0     up       up           0%     0%          0          0
    GigabitEthernet1/0/1     up       up           0%     0%          0          0
    GigabitEthernet6/0/0     up       up           0%     0%          0          0
    GigabitEthernet6/0/1     up       down         0%     0%          0          0
    

    Ensure that the physical status and protocol status are Up.

Troubleshooting

If the physical status is Down, perform the following operations:

  1. Run the display this command on both the local and remote interfaces to check whether they have been shut down. If either one of them or both of them have been shut down, run the undo shutdown command in the interface view. After that, run the display this interface command to check whether the interfaces have gone Up.

  2. At this step, Ethernet interfaces and non-Ethernet interfaces are handled differently.

    • If Ethernet interfaces are used for connection, check that the rate and duplex mode have been configured on the peer device. Then, set the same rate and duplex mode on the local interface as that on the peer device. After that, run the display this interface command to check whether the interface status is Up.

      The available commands are as follows:

      • Run the duplex { full | half | auto } command to configure the half-duplex mode on an Ethernet interface.
      • Run the speed { 100 | 1000 | auto } command to configure the rate on an Ethernet interface.
    • If non-Ethernet interfaces are used for connection, skip this step.

  3. At this step, optical interfaces and electrical interfaces are handled differently.

    • If optical interfaces are used for connection, check whether the optical modules on the interfaces of the local and peer ends are matched in terms of wavelengths, optical power, and other elements. If they are not matched, replace optical modules. Then, run the display this interface command to check whether the interface status is Up.
      NOTE:

      For details on how to check optical power of optical interfaces, see Checking the Optical Power of Interfaces.

    • If electrical interfaces are used for connection, skip this step.

  4. Replace the network cable or fiber, and then run the display this interface command to check whether the interface status is Up.

  5. Contact Huawei technical support personnel.

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Updated: 2019-01-02

Document ID: EDOC1100055014

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