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NE40E-M2 V800R010C10SPC500 Configuration Guide - WAN Access 01

This is NE40E-M2 V800R010C10SPC500 Configuration Guide - WAN Access

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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).
Configuring a Transmission Alarm Filtering Interval

Configuring a Transmission Alarm Filtering Interval

This section describes the usage scenario of the transmission alarm filtering interval, and the pre-configuration tasks and operation procedure for configuring the transmission alarm filtering interval. If the lifetime (interval between alarm generation and alarm clearance) of an alarm is shorter than the transmission alarm filtering interval, the alarm is regarded as a burr and is filtered out. Otherwise, the alarm is processed as a normal alarm.

Usage Scenario

In the scenario where transmission devices are connected to IP devices, if the network is unstable, transmission devices on the network will generate a large number of burr alarms. As a result, the physical status of interfaces on the transmission devices switches between Up and Down. After a transmission alarm filtering interval is configured, the alarms whose lifetime is longer than the interval will be ignored.

The transmission alarm filtering interval can be configured globally or on an interface. The global configuration takes effect on interfaces supporting the function. The relationship is as follows:

  • After the global configuration, if a non-default transmission alarm filtering interval is configured on the interface, the interval configured on the interface takes effect.
  • If no transmission alarm filtering interval is configured in the interface view, the global configuration takes effect.
NOTE:

The global configuration of filtering function for alarm messages and a filtering interval is supported only on the Admin-VS.

Pre-configuration Tasks

Before configuring the transmission alarm filtering interval, complete the following tasks:

NOTE:

The filtering function on an interface can take effect only when the transmission alarm customization function is enabled on the interface.

Procedure

  • Enable the global filtering function for alarm messages and set a filtering interval.
    1. Run system-view

      The system view is displayed.

    2. Run transmission-alarm holdoff-timer holdoff-time

      The global filtering function is enabled, and a filtering interval is configured.

    3. Run transmission-alarm holdup-timer holdup-time

      The global filtering function is disabled, and a filtering interval is cleared.

    4. Run commit

      The configuration is committed.

  • Configure the transmission alarm filtering interval and set filtering intervals on an interface.
    1. Run system-view

      The system view is displayed.

    2. Perform either of the following commands.

      • To enter the POS interface or 10GE WAN view, run the interface interface-type interface-number command.
      • To enter the specified CPOS interface view, run the controller cpos cpos-number command.
      • To enter the WDM interface view, run the controller wdm controller-number command.
      • To enter the CE1 interface view, run the controller e1 controller-number command.
      • To enter the E3 interface view, run the controller e3 controller-number command.

    3. Run transmission-alarm holdoff-timer holdoff-time

      The alarm filtering function is enabled, and a transmission alarm filtering interval is set.

      If the lifetime (interval between alarm generation and alarm clearance) of an alarm is less than the transmission alarm filtering interval, the alarm is filtered out as a burr. Otherwise, the alarm is a normal alarm.

      .

    4. Run transmission-alarm holdup-timer holdup-time

      The alarm clearance filtering function is enabled, and an alarm clearance filtering interval is set.

    5. Run commit

      The configuration is committed.

Checking the Configurations

Run the following commands to check the configurations:

  • If the interface is a CPOS interface, run the display transmission-alarm cpos interface-number [ auais | b1tca | b2tca | b3tca | lais | lof | lom | lop | los | lrdi | lrei | oof | pais | pplm | prdi | prei | puneq | rrool | sdbere | sfbere ] * command to check alarm configuration on the interface.
  • If the interface is a WDM interface, run the display transmission-alarm wdm interface-number [ odu-ais | odu-lck | odu-oci | otu-ais | otu-lom | otu-sd-ber | otu-sf-ber | pm-bdi | pm-tim | r-lof | r-los | r-oof | sm-bdi | sm-iae | sm-tim ] * command to check alarm configuration on the interface.
  • If the interface is a CE1 interface, run the display transmission-alarm e1 interface-number [ los | lof | pais | prai ] * command to check alarm configuration on the interface.
  • If the interface is an E3 interface, run the display transmission-alarm e3 interface-number [ los | lof | ais | rai ] * command to check alarm configuration on the interface.
  • Run the display transmission-alarm configuration [ interface-type interface-number ] command to and suppression on the specified interface.

If the alarm filtering function has been configured, you can view that the filtering function has been enabled.

# Check check the configuration of alarm customization and suppression on POS 0/1/0.

<HUAWEI> display transmission-alarm configuration pos 0/1/0
Interface: pos0/1/0
Filter function: enabled (Holdtime is 50)
Damping function: enabled
Suppress value: 1000
Ceiling value: 500
Reuse value: 6000
OK half decay value: 1000
NG half decay value: 1000                                                    
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Updated: 2019-01-02

Document ID: EDOC1100058399

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