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Command Reference

CloudEngine 8800, 7800, 6800, and 5800 V200R002C50

This document describes all the configuration commands of the device, including the command function, syntax, parameters, views, default level, usage guidelines, examples, and related commands.
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import-route limit (OSPFv3)

import-route limit (OSPFv3)

Function

The import-route limit command configures a limit on the number of LSAs generated when an OSPFv3 process imports external routes.

The undo import-route limit command deletes the limit configured on the number of LSAs generated when an OSPFv3 process imports external routes.

By default, the number of LSAs generated when an OSPFv3 process imports external routes is not limited.

Format

import-route limit limit-number [ threshold-alarm { upper-limit upper-limit-value | lower-limit lower-limit-value } * ]

undo import-route limit [ limit-number ] [ threshold-alarm [ upper-limit upper-limit-value | lower-limit lower-limit-value ] * ]

Parameters

Parameter Description Value
limit-number Specifies a limit on the number of LSAs generated when an OSPFv3 process imports external routes. The value is an integer ranging from 1 to 4294967295.
threshold-alarm Indicates an alarm threshold. -
upper-limit upper-limit-value Specifies the upper alarm threshold, in percentage. The value is an integer ranging from 1 to 100. The default value is 80.
lower-limit lower-limit-value Specifies the lower alarm threshold, in percentage. The value is an integer ranging from 1 to 100. The default value is 70.

Views

OSPFv3 view

Default Level

2: Configuration level

Usage Guidelines

If OSPFv3 imports a large number of external routes and advertises them to a device with a smaller routing table capacity, the device may restart unexpectedly. To address this problem, run the import-route limit command to configure a limit on the number of LSAs generated when an OSPFv3 process imports external routes.

Ensure that upper-limit-value is greater than or equal to lower-limit-value.

The system generates alarms based on the following rules:

  • The system generates the OSPFV3_1.3.6.1.4.1.2011.5.25.147.0.19 hwOspfv3ImportAseRouteExceed alarm if the number of AS-external-LSAs generated when an OSPFv3 process imports external routes is greater than or equal to the maximum number allowed.

  • The system generates the OSPFV3_1.3.6.1.4.1.2011.5.25.147.0.20 hwOspfv3ImportAseRouteExceedClear alarm if the number of AS-external-LSAs generated when an OSPFv3 process imports external routes falls below 90% of the maximum number allowed.

  • The system generates the OSPFV3_1.3.6.1.4.1.2011.5.25.147.0.17 hwOspfv3ImportAseRouteThreshold alarm if the number of AS-external-LSAs generated when an OSPFv3 process imports external routes exceeds limit-number×upper-limit-value/100.

  • The system generates the OSPFV3_1.3.6.1.4.1.2011.5.25.147.0.18 hwOspfv3ImportAseRouteThresholdClear alarm if the number falls to or below limit-number×lower-limit-value/100.

  • The system generates the OSPFV3_1.3.6.1.4.1.2011.5.25.147.0.23 hwOspfv3ImportNssaRouteExceed alarm if the number of NSSA-LSAs generated when an OSPFv3 process imports external routes is greater than or equal to the maximum number allowed.

  • The system generates the OSPFV3_1.3.6.1.4.1.2011.5.25.147.0.24 hwOspfv3ImportNssaRouteExceedClear alarm if the number of NSSA-LSAs generated when an OSPFv3 process imports external routes falls below 90% of the maximum number allowed.

  • The system generates the OSPFV3_1.3.6.1.4.1.2011.5.25.147.0.21 hwOspfv3ImportNssaRouteThreshold alarm if the number of NSSA-LSAs generated when an OSPFv3 process imports external routes exceeds limit-number×upper-limit-value/100.

  • The system generates the OSPFV3_1.3.6.1.4.1.2011.5.25.147.0.22 hwOspfv3ImportNssaRouteThresholdClear alarm if the number falls to or below limit-number×lower-limit-value/100.

Example

# Set the limit on the number of LSAs generated when an OSPFv3 process imports external routes, the upper alarm threshold, and lower alarm threshold to 3000, 85%, and 75%, respectively.

<HUAWEI> system-view
[~HUAWEI] ospfv3 100
[*HUAWEI-ospfv3-100] import-route limit 3000 threshold-alarm upper-limit 85 lower-limit 75
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Updated: 2019-03-21

Document ID: EDOC1000166501

Views: 42726

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