V6100 and V7122 User Guide 149Updating the Software Upgrade KeyV7122 gateways are supplied with a Software Upgrade Key already pre-configured for eachof its TrunkPack Modules (TPM).Users can later upgrade their V7122 features, capabilities and quantity of availableresources by specifying what upgrades they require, and purchasing a new key to matchtheir specification.The Software Upgrade Key is sent as a string in a text file, to be loaded into the V7122.Stored in the device’s non-volatile flash memory, the string defines the features andcapabilities allowed by the specific key purchased by the user. The device allows users toutilize only these features and capabilities. A new key overwrites a previously installed key.For detailed information on the Software Upgrade Key, see Software Upgrade Key.Save ConfigurationThe Save Configuration screen enables users to save the current parameter configurationand the loaded auxiliary files to the non-volatile memory so they are available after a powerfail. Parameters that are only saved to the volatile memory revert to their previous settingsafter hardware reset.When performing a software reset (i.e., via Web or SNMP) you can choose to savethe changes to the non-volatile memory. Therefore, there is no need to use theSave Configuration screen.Saving changes to the non-volatile memory may disrupt traffic on the gateway. Toavoid this, disable all traffic before saving.To save the changes to the non-volatile:1 Click the Save Configuration button on the main menu bar; the ‘Save Configuration’screen is displayed.Figure 81 Save Configuration Screen
