ALM-135462929 hwCommunicateError

Description

The communication channel failed. (hwEntityPhysicalIndex=[hwEntityPhysicalIndex], entPhysicalName=[entPhysicalName], hwEntityTrapEntType=[hwEntityTrapEntType], hwEntityTrapFaultID=[hwEntityTrapFaultID], hwEntityCommunicateType=[hwEntityCommunicateType], hwEntityTrapReasonDescr=[hwEntityTrapReasonDescr])

The control channel between physical entities is faulty.

Attribute

AlarmID	Alarm OID	Alarm Severity	Alarm Type
135462929	1.3.6.1.4.1.2011.5.25.219.2.9.1	Major	Communication alarm

Parameters

Name	Meaning
hwEntityPhysicalIndex	Physical entity index
entPhysicalName	Physical entity name
hwEntityTrapEntType	Physical Entity Type
hwEntityTrapFaultID	Fault Code
hwEntityCommunicateType	Communication Type
hwEntityTrapReasonDescr	Problem Description

Impact on the System

1. If the alarm is generated because the board is removed, the alarm has no impact on the system.

2. In the dual-MPU environment, there are active and standby links for inter-board communication. If a link fault alarm is reported, the intra-board communication link is switched to the standby link. This does not affect services. However, the problem needs to be confirmed.

If both links on the same board have alarms, inter-board packet loss occurs, which affects services and causes the board to reset due to heartbeat loss.

Possible Causes

1.Manual board reset or unplug

2.The control channel between MPU and the board is abnormal

3. The physical link from cpu to local switch is abnormal

Procedure

1. Check the alarm information and board registration information of the same type. Check whether the board is removed and restarted at the time when the alarm is reported. If yes, the board is restarted. The link is down because the board is removed and then installed. After the board is registered, the link is recovered.

2. If the card is not reseated or restarted and the alarm persists for a long time or is generated repeatedly when the card is running properly, the inter-card link communication is abnormal. In this case, collect alarm, log, and configuration information and contact technical support personnel.