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Support Documentation

Log Reference

CloudEngine 8800, 7800, 6800, and 5800 V200R005C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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RM/4/hwIpv4PrefixThresholdExceed_active

RM/4/hwIpv4PrefixThresholdExceed_active

Message

RM/4/hwIpv4PrefixThresholdExceed_active:The number of IPv4 prefixes exceeded the threshold. (PrefixCount=[PrefixCount], MaxValue=[MaxValue])

Description

The number of IPv4 route prefixes exceeded the alarm threshold.

Parameters

Parameter Name Parameter Meaning

PrefixCount

Indicates the number of IPv4 route prefixes in the routing table.

MaxValue

Indicates the maximum number of IPv4 route prefixes supported by the device.

Possible Causes

The number of IPv4 prefixes exceeded the threshold of the routing table.

Procedure

  1. Run the display current-configuration command to check whether the threshold value specified in the ip prefix-limit system threshold-alarm command is too small.

    • If the threshold value is too small, go to 2.
    • If the threshold value is in a proper range, go to 3.

  2. Rerun the ip prefix-limit system threshold-alarm upper-limit upper-limit-value lower-limit lower-limit-value command to increase the value of upper-limit-value.
  3. Run the display ip routing-table statistics and display ip routing-table all-vpn-instance statistics commands to check the numbers of IPv4 public and private route prefixes and the number of routes of each protocol that are added to the routing table.

    Check whether services need these routes or whether the routes are added to the routing table due to incorrect configurations.

    • If the routes are added to the routing table due to incorrect configurations, go to 4.

    • If services need these routes, go to 5.

  4. Adjust the configurations to delete unneeded routes and ensure that the number of IPv4 route prefixes falls below the lower-limit-value configured using the ip prefix-limit system threshold-alarm command, then check whether the RM_1.3.6.1.4.1.2011.5.25.145.10.4 hwIpv4PrefixThresholdExceedClear alarm is generated.

    • If the RM_1.3.6.1.4.1.2011.5.25.145.10.4 hwIpv4PrefixThresholdExceedClear alarm is not generated, go to 6.
    • If theRM_1.3.6.1.4.1.2011.5.25.145.10.4 hwIpv4PrefixThresholdExceedClear alarm is generated, go to 7

  5. Reset a proper maximum number of IPv4 route prefixes supported by the device, then check whether the RM_1.3.6.1.4.1.2011.5.25.145.10.4 hwIpv4PrefixThresholdExceedClear alarm is generated.

    • If the RM_1.3.6.1.4.1.2011.5.25.145.10.4 hwIpv4PrefixThresholdExceedClear alarm is not generated, go to 6.
    • If the RM_1.3.6.1.4.1.2011.5.25.145.10.4 hwIpv4PrefixThresholdExceedClear alarm is generated, go to 7.

  6. Collect trap, log, and configuration information, and contact technical support personnel technical support personnel.
  7. End.
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Updated: 2019-04-20

Document ID: EDOC1100039602

Views: 119356

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