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E9000 Server V100R001 HMM Alarm Handling 19

This document describes E9000 server alarms in terms of the meaning, impact on the system, possible causes, and solutions.
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RM_1.3.6.1.4.1.2011.5.25.145.10.1 hwIpv4PrefixExceed

Description

RM/2/IPV4_PREFIX_EXCEED:OID[oid] The number of IPv4 prefixes exceeded the maximum value. (PrefixCount=[PrefixCount], MaxValue=[MaxValue])

The number of IPv4 prefixes exceeded the maximum value.

Attribute

Alarm ID

Alarm Severity

Alarm Type

1.3.6.1.4.1.2011.5.25.145.10.1

Critical

qualityOfServiceAlarm(3)

Parameters

Name

Meaning

oid

ID of the MIB object

PrefixCount

Number of IPv4 route prefixes in the routing table

MaxValue

Maximum number of IPv4 prefixes

Impact on the System

If more IPv4 routes are added, they will be discarded. As a result, traffic may be interrupted.

Possible Causes

The number of IPv4 prefixes exceeded the maximum value configured using the ip prefix-limit number { alert-percent [ route-unchanged ] | simply-alert } command.

Procedure
  1. Run the display ip routing-table statistics command to check the number of IPv4 public route prefixes and the display ip routing-table all-vpn-instance statistics command to check the number of IPv4 VPN route prefixes.
  2. Check whether the number of route prefixes of each protocol is within the normal range.

    • If the number of route prefixes of each protocol is within the normal range, go to Step 4.
    • If the number of route prefixes of each protocol is not within the normal range, go to Step 3.

  3. Delete unneeded IPv4 routes and then check whether the alarm persists.

    • If the alarm persists, go to Step 4.
    • If the alarm is cleared, go to Step 6.

  4. Check whether the configured maximum number of IPv4 prefixes is greater than the actual number.

    • If the configured maximum number of IPv4 prefixes is greater than or equal to the actual number, go to Step 5.
    • If the configured maximum number of IPv4 prefixes is less than the actual number, run the ip prefix-limit number { alert-percent [ route-unchanged ] | simply-alert } command to reconfigure the maximum number and go to Step 6.

  5. Collect trap, log, and configuration information, and contact Huawei technical support personnel.
  6. End.

RM_1.3.6.1.4.1.2011.5.25.145.10.2 hwIpv4PrefixExceedClear

Description

RM/2/IPV4_PREFIX_EXCEED_RESM:OID[oid] The number of IPv4 prefixes falls below the maximum value. (PrefixCount=[PrefixCount], MaxValue=[MaxValue])

The number of IPv4 prefixes fell below the maximum value.

Attribute

Alarm ID

Alarm Severity

Alarm Type

1.3.6.1.4.1.2011.5.25.145.10.2

Critical

qualityOfServiceAlarm(3)

Parameters

Name

Meaning

oid

ID of the MIB object

PrefixCount

Number of IPv4 route prefixes in the routing table

MaxValue

Maximum number of IPv4 route prefixes supported by the device

Impact on the System

Services will not be affected.

Possible Causes

The network administrator deleted some routes from the routing table or the number of routes learned by dynamic protocols decreased due to network topology changes.

Procedure
  1. This alarm message is informational only, and no action is required.

RM_1.3.6.1.4.1.2011.5.25.145.11.1 hwIpv6PrefixExceed

Description

RM/2/IPV6_PREFIX_EXCEED:OID[oid] The number of IPv6 prefixes exceeded the maximum value. (PrefixCount=[PrefixCount], MaxValue=[MaxValue])

The number of IPv6 prefixes exceeded the maximum value.

Attribute

Alarm ID

Alarm Severity

Alarm Type

1.3.6.1.4.1.2011.5.25.145.11.1

Critical

qualityOfServiceAlarm(3)

Parameters

Name

Meaning

oid

Indicates the ID of the MIB object.

PrefixCount

Number of IPv6 route prefixes in the routing table

MaxValue

Maximum number of IPv6 prefixes

Impact on the System

If more IPv6 routes are added, they will be discarded. As a result, traffic may be interrupted.

Possible Causes

The number of IPv6 prefixes exceeded the maximum value configured using the ipv6 prefix-limit number { alert-percent [ route-unchanged ] | simply-alert } command.

Procedure
  1. Run the display ipv6 routing-table statistics command to check the number of IPv6 public route prefixes and the display ipv6 routing-table all-vpn-instance statistics command to check the number of IPv6 VPN route prefixes.
  2. Check whether the number of route prefixes of each protocol is within the normal range.

    • If the number of route prefixes of each protocol is within the normal range, go to Step 4.
    • If the number of route prefixes of each protocol is not within the normal range, go to Step 3.

  3. Delete unneeded IPv6 routes and then check whether the alarm persists.

    • If the alarm persists, go to Step 4.
    • If the alarm is cleared, go to Step 6.

  4. Check whether the configured maximum number of IPv6 prefixes is greater than the actual number.

    • If the configured maximum number of IPv6 prefixes is greater than or equal to the actual number, go to Step 5.
    • If the configured maximum number of IPv6 prefixes is less than the actual number, run the ipv6 prefix-limit number { alert-percent [ route-unchanged ] | simply-alert } command to reconfigure the maximum number and go to Step 6.

  5. Collect trap, log, and configuration information, and contact Huawei technical support personnel.
  6. End.

RM_1.3.6.1.4.1.2011.5.25.145.11.2 hwIpv6PrefixExceedClear

Description

RM/4/IPV6_PREFIX_EXCEED_RESM:OID[oid] The number of IPv6 prefixes falls below the maximum value. (PrefixCount=[PrefixCount], MaxValue=[MaxValue])

The number of IPv6 prefixes fell below the maximum value.

Attribute

Alarm ID

Alarm Severity

Alarm Type

1.3.6.1.4.1.2011.5.25.145.11.2

Critical

qualityOfServiceAlarm(3)

Parameters

Name

Meaning

oid

Indicates the ID of the MIB object.

PrefixCount

Number of IPv6 route prefixes in the routing table

MaxValue

Maximum number of IPv6 route prefixes supported by the device

Impact on the System

Services will not be affected.

Possible Causes

The network administrator deleted some routes from the routing table or the number of routes learned by dynamic protocols decreased due to network topology changes.

Procedure
  1. This alarm message is informational only, and no action is required.

RM_1.3.6.1.4.1.2011.5.25.145.10.3 hwIpv4PrefixThresholdExceed

Description

The number of IPv4 prefixes exceeded the threshold. (PrefixCount=[PrefixCount], MaxValue=[MaxValue])

The number of IPv4 route prefixes exceeded the alarm threshold.

Attributes

Attribute

Description

Trap OID

1.3.6.1.4.1.2011.5.25.145.10.3

Trap severity

major

Match trap

RM_1.3.6.1.4.1.2011.5.25.145.10.4 hwIpv4PrefixThresholdExceedClear

Parameters

Parameter

Description

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.

Impact on the System

The number of IPv4 route prefixes exceeded the alarm threshold, and services may be affected if the number of IPv4 route prefixes keeps increasing.

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 Step 2.
  • If the threshold value is in a proper range, go to Step 3.
  1. Run 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.
  2. 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 Step 4.
    • If services need these routes, go to Step 5.

  3. 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 Step 6.
    • If theRM_1.3.6.1.4.1.2011.5.25.145.10.4 hwIpv4PrefixThresholdExceedClear alarm is generated, go to Step 7

  4. 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 Step 6.
    • If the RM_1.3.6.1.4.1.2011.5.25.145.10.4 hwIpv4PrefixThresholdExceedClear alarm is generated, go to Step 7.

  5. Collect trap, log, and configuration information, and contact Huawei technical support personnel.
  6. End.

RM_1.3.6.1.4.1.2011.5.25.145.10.4 hwIpv4PrefixThresholdExceedClear

Description

The number of IPv4 prefixes fell below the threshold. (PrefixCount=[PrefixCount], MaxValue=[MaxValue])

The number of IPv4 route prefixes fell below the clear alarm threshold.

Attributes

Attribute

Description

Trap OID

1.3.6.1.4.1.2011.5.25.145.10.4

Trap severity

Critical

Match trap

RM_1.3.6.1.4.1.2011.5.25.145.10.3 hwIpv4PrefixThresholdExceed

Parameters

Parameter

Description

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.

Impact on the System

The alarm of the number of IPv4 route prefixes exceeded the alarm threshold is cleared.

Possible Causes

The number of IPv4 prefixes fell below the clear alarm threshold.

Procedure
  • This alarm message is informational only, and no action is required.

RM_1.3.6.1.4.1.2011.5.25.145.11.3 hwIpv6PrefixThresholdExceed

Description

The number of IPv6 prefixes exceeded the threshold. (PrefixCount=[PrefixCount], MaxValue=[MaxValue])

The number of IPv6 route prefixes exceeded the alarm threshold.

Attributes

Attribute

Description

Trap OID

1.3.6.1.4.1.2011.5.25.145.11.3

Trap severity

major

Match trap

RM_1.3.6.1.4.1.2011.5.25.145.11.4 hwIpv6PrefixThresholdExceedClear

Parameters

Parameter

Description

PrefixCount

Indicates the number of IPv6 route prefixes in the routing table.

MaxValue

Indicates the maximum number of IPv6 route prefixes supported by the device.

Impact on the System

The number of IPv6 route prefixes exceeded the alarm threshold, and services may be affected if the number of IPv6 route prefixes keeps increasing.

Possible Causes

The number of IPv6 prefixes exceeded the threshold of the routing table.

Procedure
  1. Run the display current-configurationcommand to check whether the threshold value specified in the ipv6 prefix-limit system threshold-alarm command is too small.
  • If the threshold value is too small, go to Step 2.
  • If the threshold value is in a proper range, go to Step 3.
  1. Run the ipv6 prefix-limit system threshold-alarm upper-limit upper-limit-value lower-limit lower-limit-value command to increase the value of upper-limit-value.
  2. Run the display ipv6 routing-table statistics and display ipv6 routing-table all-vpn-instance statistics commands to check the numbers of IPv6 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 Step 4.
    • If services need these routes, go to Step 5.

  3. Adjust the configurations to delete unneeded routes and ensure that the number of IPv6 route prefixes falls below the lower-limit-value configured using the ipv6 prefix-limit system threshold-alarm command, then check whether the RM_1.3.6.1.4.1.2011.5.25.145.11.4 hwIpv6PrefixThresholdExceedClear alarm is generated.

    • If the RM_1.3.6.1.4.1.2011.5.25.145.11.4 hwIpv6PrefixThresholdExceedClear alarm is not generated, go to Step 6.
    • If the RM_1.3.6.1.4.1.2011.5.25.145.11.4 hwIpv6PrefixThresholdExceedClear alarm is generated, go to Step 7.

  4. Reset a proper maximum number of IPv6 route prefixes supported by the device, then check whether the RM_1.3.6.1.4.1.2011.5.25.145.11.4 hwIpv6PrefixThresholdExceedClear alarm is generated.

    • If the RM_1.3.6.1.4.1.2011.5.25.145.11.4 hwIpv6PrefixThresholdExceedClear alarm is not generated, go to Step 6.
    • If the RM_1.3.6.1.4.1.2011.5.25.145.11.4 hwIpv6PrefixThresholdExceedClear alarm is generated, go to Step 7.

  5. Collect trap, log, and configuration information, and contact Huawei technical support personnel.
  6. End.

RM_1.3.6.1.4.1.2011.5.25.145.11.4 hwIpv6PrefixThresholdExceedClear

Description

The number of IPv6 prefixes fell below the threshold. (PrefixCount=[PrefixCount], MaxValue=[MaxValue])

The number of IPv6 route prefixes fell below the clear alarm threshold.

Attributes

Attribute

Description

Trap OID

1.3.6.1.4.1.2011.5.25.145.11.4

Trap severity

Critical

Match trap

RM_1.3.6.1.4.1.2011.5.25.145.11.3 hwIpv6PrefixThresholdExceed

Parameters

Parameter

Description

PrefixCount

Indicates the number of IPv6 route prefixes in the routing table.

MaxValue

Indicates the maximum number of IPv6 route prefixes supported by the device.

Impact on the System

The alarm of the number of IPv6 route prefixes exceeded the alarm threshold is cleared.

Possible Causes

The number of IPv6 prefixes fell below the clear alarm threshold.

Procedure
  • This alarm message is informational only, and no action is required.
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Updated: 2018-08-16

Document ID: EDOC1000015902

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