Cisco 2950 Software Configuration Guide - Page 118
Incremental (Partial) Configuration, Synchronized Configuration, Configuring CNS Embedded Agents
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Configuring CNS Embedded Agents Chapter 6 Configuring IE2100 CNS Agents Incremental (Partial) Configuration After the network is running, new services can be added by using the CNS configuration agent. Incremental (partial) configurations can be sent to the switch. The actual configuration can be sent as an event payload by way of the event gateway (push operation) or as a signal event that triggers the switch to initiate a pull operation. The switch can check the syntax of the configuration before applying it. If the syntax is correct, the switch applies the incremental configuration and publishes an event that signals success to the configuration server. If the switch does not apply the incremental configuration, it publishes an event showing an error status. When the switch has applied the incremental configuration, it can write it to NVRAM or wait until signaled to do so. Synchronized Configuration When the switch receives a configuration, it can defer application of the configuration upon receipt of a write-signal event. The write-signal event tells the switch not to save the updated configuration into its NVRAM. The switch uses the updated configuration as its running configuration. This ensures that the switch configuration is synchronized with other network activities before saving the configuration in NVRAM for use at the next reboot. Configuring CNS Embedded Agents The CNS agents embedded in the switch Cisco IOS software allow the switch to be connected and automatically configured as described in the "Enabling Automated CNS Configuration" section on page 6-6. If you want to change the configuration or install a custom configuration, see these sections for instructions: • Enabling the CNS Event Agent, page 6-8 • Enabling the CNS Configuration Agent, page 6-9 Enabling Automated CNS Configuration To enable automated CNS configuration of the switch, you must first complete the prerequisites in Table 6-1. When you complete them, power on the switch. At the setup prompt, do nothing: The switch begins the initial configuration as described in the "Initial Configuration" section on page 6-5. When the full configuration file is loaded on your switch, you need to do nothing else. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 6-6 78-11380-10
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