NAT/4/CGN_PRE_IP_FULL
Message
NAT/4/CGN_PRE_IP_FULL: The number of pre-allocated NAT64 IP that are obtained from the public network address pool reaches the upper limit. (AddrGroupName=[AddrGroupName], InstanceType=[InstanceType], InstanceName=[InstanceName], Threshold=[Threshold], Pre-IPNum=[Pre-IPNum], Slot=[Slot], Cpu=[Cpu])
In VS mode, this log is supported only by the admin VS.
Description
Parameters
| Parameter Name | Parameter Meaning |
|---|---|
|
AddrGroupName |
Name of an IP address pool. |
|
InstanceType |
Instance type. |
|
InstanceName |
Instance name. |
|
Threshold |
IP address usage threshold. |
|
Pre-IPNum |
Number of pre-allocated IP addresses. |
|
Slot |
Slot ID of a service board. |
|
Cpu |
CPU ID of a service board. |
Possible Causes
A no-PAT address pool was configured in a NAT64 instance, and the IP address usage of the public address pool was set.
After users got online, a CGN device pre-allocated addresses in the address pool to the users.
The proportion of the number of pre-allocated IP addresses in the public address pool to the upper limit reached the specified IP address usage.
Procedure
1. Run the display nat64 address-usage command to view the usage of IP addresses in a specified public address pool. Check whether the proportion of pre-allocated IP addresses in the public address pool to the total supported ones reaches a specified threshold.
2. If IP address usage of the IP address pool reaches the threshold, perform either of the following operations:
- Run the nat64 alarm address-group port-number threshold command in the NAT64 instance view to increase the IP address usage.
- Increase the number of IP addresses that can be allocated in the address pool of the NAT64 instance. For details, see nat64 address-group.
3. If the specified threshold is reached or IP addresses are used up, go to Step 4.
4. Collect alarm, log, and configuration information, and contact technical support personnel.