Enabling Capacity Alerts

Use the capacity alert feature to set managed device capacity thresholds which, when exceeded, will trigger alerts. The managed device will send a wlsxThresholdExceeded SNMP Simple Network Management Protocol. SNMP is a TCP/IP standard protocol for managing devices on IP networks. Devices that typically support SNMP include routers, switches, servers, workstations, printers, modem racks, and more. It is used mostly in network management systems to monitor network-attached devices for conditions that warrant administrative attention.  trap and a syslog error message when the managed device has exceeded a set percentage of the total capacity for that resource. A wlsxThresholdCleared SNMP Simple Network Management Protocol. SNMP is a TCP/IP standard protocol for managing devices on IP networks. Devices that typically support SNMP include routers, switches, servers, workstations, printers, modem racks, and more. It is used mostly in network management systems to monitor network-attached devices for conditions that warrant administrative attention.  trap and error message will be triggered if the resource usage drops below the threshold once again.

The following procedure describes how to configure the capacity thresholds:

1. In the Managed Network node hierarchy, navigate to Configuration > System > More.
2. Expand the Capacity Threshold accordion.
3. Modify the capacity percentages for any of the thresholds described in Table 1.
4. Click Submit.
5. Click Pending Changes.
6. In the Pending Changes window, select the check-box and click Deploy changes.

The following table describes the thresholds that can be configured with this feature:

Table 1: Capacity Alert Thresholds

Threshold	Description
Datapath CPU	Set an alert threshold for datapath CPU Central Processing Unit. A CPU is an electronic circuitry in a computer for processing instructions. capacity. The <percentage> parameter is the percentage of the total datapath CPU Central Processing Unit. A CPU is an electronic circuitry in a computer for processing instructions. capacity that must be exceeded before the alert is sent. The default threshold for this parameter is 30%.
Controlpath CPU	Set an alert threshold for controlpath CPU Central Processing Unit. A CPU is an electronic circuitry in a computer for processing instructions. capacity. The <percentage> parameter is the percentage of the total controlpath CPU Central Processing Unit. A CPU is an electronic circuitry in a computer for processing instructions. capacity that must be exceeded before the alert is sent. The default threshold for this parameter is 45%.
Controlpath memory	Set an alert threshold for controlpath memory consumption. The percentage parameter is the percentage of the total memory capacity that must be exceeded before the alert is sent. The default threshold for this parameter is 85%.
Total tunnels	Set an alert threshold for the tunnel capacity of the managed device. The percentage parameter is the percentage of the total tunnel capacity of the managed device that must be exceeded before the alert is sent. The default threshold for this parameter is 80%.
Total users	Set an alert threshold for the user capacity of the managed device. The percentage parameter is the percentage of the total resource capacity that must be exceeded before the alert is sent. The default threshold for this parameter is 80%.
Total APs	The maximum number of APs that can be connected to a managed device is determined by the model type and licenses installed on that managed device. Use this command to trigger an alert when the number of APs currently connected to the managed device exceeds a specific percentage of its total AP capacity. The default threshold for this parameter is 80%.
Total locals	Set an alert threshold for the capacity to support branch and local managed devices on the conductormanaged device. A conductormanaged device can support a combined total of 256 branch and local managed device. The <percentage> parameter is the percentage of the total conductormanaged device capacity that must be exceeded before the alert is sent. The default threshold for this parameter is 80%.

The following CLI Command-Line Interface. A console interface with a command line shell that allows users to execute text input as commands and convert these commands to appropriate functions. command configures the capacity thresholds:

threshold

Sample Configuration

The following command configures a new alert threshold for datapath memory consumption:

(host) [mynode] (config) #threshold datapath-cpu 90

If this threshold is exceeded then subsequently drops below the 90% threshold, the managed device would send the following two syslog error messages.

May 14 13:13:58 nanny[1393]: <399816> <ERRS> |nanny| Resource 'Control-Path Memory' has gone above 90% threshold, value : 93

May 14 13:16:58 nanny[1393]: <399816> <ERRS> |nanny| Resource 'Control-Path Memory' has come below 90% threshold, value : 87