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HUAWEI CLOUD Stack 6.5.0 Alarm and Event Reference 04

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ALM-1200075 Trunk Port Packet Error

ALM-1200075 Trunk Port Packet Error

Description

This alarm is generated when the packet error rate of the physical network port (Trunk port) reaches the percentage configured in the alarm configuration.

Attribute

Alarm ID

Alarm Severity

Auto Clear

1200075

Major

Yes

Parameters

Name

Meaning

Fault Location Info

  • host_id: specifies the ID of the host for which the alarm is generated.
  • trunk_name: specifies the name of the trunk for which the alarm is generated.

Additional Info

  • hostname: specifies the name of the host for which the alarm is generated.
  • ErrorRate: specifies the error packet rate of the alarm.
  • Threshold: specifies the threshold for generating an alarm.

Impact on the System

Service data packet loss occurs, or the network is disconnected.

Possible Causes

The physical port receives or sends error packets.

Procedure

  1. Log in to the FusionSphere OpenStack web client.

    For details, see Logging In to the FusionSphere OpenStack Web Client (ManageOne Mode).

  2. On the Summary page, obtain the management IP address of the host in the OM IP Address column based on the host ID or host name in the alarm additional information.
  3. Use PuTTY to log in to the host for which the alarm is generated using the management IP address of the host.

    The default user name is fsp. The default password is Huawei@CLOUD8.

    The system supports both password and public-private key pair for identity authentication. If the public-private key pair is used for login authentication, see detailed operations in Using PuTTY to Log In to a Node in Key Pair Authentication Mode.

  4. Run the following command and enter the password of user root to switch to user root:

    su - root

    The default password of user root is Huawei@CLOUD8!.

  1. Obtain the name of the abnormal port based on the trunk port name in alarm information (If the port name is ethx, no ports are bound to a bond). Run the ip link | grep Port name command to query port information and check whether the command output is empty.

    • If yes, the abnormal port is on the user-mode bridge. In this case, go to 6.
    • If no, the abnormal port is on the kernel-mode bridge. In this case, go to 7.

  2. Obtain the data packets sent and received by the port and check whether the data is normal.

    1. Run the following command to enable the user-mode EVS packet probe function:

      ovs-appctl dpif-dpdk/component load packet_probe

    2. Run the following command to obtain the data packet:

      ovs-appctl dpif-dpdk/component exec packet_probe start port_name -w Data packet saving path

      Record the UUID, which is used for running the command in 6.c.

    3. Run the following command to stop obtaining data packets:

      ovs-appctl dpif-dpdk/component exec packet_probe stop port_name -uuid UUID obtained during data packet obtaining

    4. Run the following command to disable the data packet obtaining function of the user-mode EVS:

      ovs-appctl dpif-dpdk/component unload packet_probe

    Check whether data packets can be analyzed:
    • If yes, no further action is required.
    • If no, go to 8.

  3. Use tcpdump to capture packets sent and received over the port and use a network analysis tool, such as Wireshark, to check whether packets that are sent and received are normal.

    Check whether data packets can be analyzed:
    • If yes, no further action is required.
    • If no, go to 8.

  4. Contact technical support for assistance.

Related Information

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Updated: 2019-08-30

Document ID: EDOC1100062365

Views: 37604

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