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Log Reference

AR500, AR510, and AR530 V200R007

This document supports all the logs of device, including the parameters, meaning, possible causes and solution.

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RM/4/PFXNUM_EXCD_WARN6:The number of prefixes in IPv6 [vpn-instance-name] was [current-number], which exceeded the alarm threshold [threshold-value]. (InstanceId=[ULONG], MaxPrefixLimit=[ULONG])


The number of prefixes for the specified IPv6 private network instance exceeded the trap threshold.


Parameter Name Parameter Meaning
[vpn-instance-name] Indicates the name of an IPv6 VPN instance.
[current-number] Indicates the current number of prefixes.
[threshold-value] Indicates the value of the alarm threshold.
InstanceId Indicates the ID of an IPv6 VPN instance.
MaxPrefixLimit Indicates the maximum number of prefixes.

Possible Causes

The number of prefixes for the specified IPv6 private network instance exceeded the trap threshold.


  1. Run the display ipv6 routing-table [ vpn-instance vpn-instance-name ] statistics command to check the total number of prefixes in this IPv6 VPN instance.
  2. Analyze the source of each prefix and check whether the number of current prefixes in the IPv6 VPN instance meets the requirement.

    • If so, go to Step 4.
    • If not, go to Step 3.

  3. Delete unnecessary private routes, and then check whether the number of prefixes still reaches or exceeds the alarm threshold.

    • If so, go to Step 5.
    • If not, go to Step 6.

  4. Enter the IPv6 VPN instance view and run the display this command to check the configuration of prefix limit to check whether the set alarm threshold of private prefixes is proper.

    • If so, go to Step 5.
    • If not, run the prefix limit number { alert-percent | simply-alert } command to reconfigure a proper alarm threshold. Then, go to Step 6.

  5. Collect log information and configuration information, and then contact technical support personnel.
  6. End.
Updated: 2019-05-29

Document ID: EDOC1000097294

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