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Alarm Handling

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of alarms on the product.
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BFD_1. hwBfdSessReachLimit

BFD_1. hwBfdSessReachLimit


BFD/4/BFD_SESSLMT_TRAP:OID [oid] The session number in all the IO boards has reached the limit, the new session can not be created. (TotalSessionLimit=[integer])

The trap was generated when the number of all the BFD sessions set up on interface boards reached the PAF upper limit and no more session can be set up. You can run the display bfd statistics command to view information about BFD_SESSION_NUM and know the upper limit.


Alarm ID Alarm Severity Alarm Type Warning qualityOfServiceAlarm (3)


Name Meaning


Indicates the MIB object ID of the alarm.


Indicates the upper limit of global BFD sessions.

Impact on the System

Services will not be affected.

Possible Causes

New BFD configurations were still committed when the number of global BFD sessions reached the upper limit


  1. Run the display bfd statistics command to check whether the number of BFD sessions displayed below the PAF/LCS Name field has reached the upper limit.

    • If so, go to Step 2.
    • If not, go to Step 3.

  2. Run the undo bfd session-name command to delete useless BFD sessions. The configurations of committed BFD sessions are automatically created. In this case, go to Step 4.
  3. Collect alarm information and configuration information, and then contact technical support personnel.
  4. End.

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Updated: 2019-08-21

Document ID: EDOC1000142054

Views: 189531

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