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E9000 Server Compute Node and Switch Module iMana 200 Alarm Handling 01

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ALM-0x2700FFFF LAN Heartbeat Lost Major Alarm (Fab Heartbeat/Base Heartbeat)

ALM-0x2700FFFF LAN Heartbeat Lost Major Alarm (Fab Heartbeat/Base Heartbeat)


Alarm message:

LAN heart beat lost

This alarm is generated when the sensor detects that the heartbeat of a synchronous network port between the Base planes or between Fabric planes is lost.

This alarm is generated by the following sensors:

  • Base Heartbeat
  • Fab Heartbeat


Alarm ID

Alarm Severity

Auto Clear




Impact on the System

The functions of components are affected.

Possible Causes

  • The switch module is not properly installed.
  • The switch module is faulty.


  1. Reseat the switch module and then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 2.

  2. On the HMM WebUI, choose System Management > Information Collection, and collect logs.
  3. Contact Huawei technical support.
Updated: 2018-08-16

Document ID: EDOC1100035007

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