244 V7122 GatewayUser GuideUsing BootPUpgrading the GatewayWhen upgrading the gateway (loading new software onto the gateway) using theBootP/TFTP configuration utility: From version 4.4 to version 4.4 or to any higher version, the device retains itsconfiguration (ini file). However, the auxiliary files (CPT, logo, and the like) may beerased. From version 4.6 to version 4.6 or to any higher version, the device retains itsconfiguration (ini file) and auxiliary files (CPT, logo, and the like).You can also use the Software Upgrade wizard, available through the Web Interface (seeSoftware Upgrade Wizard).To save the cmp file to non-volatile memory, use the -fb command line switches.If the file is not saved, the gateway reverts to the old version of software after thenext reset. For information on using command line switches, see Using CommandLine Switches.Vendor Specific Information FieldThe gateway uses the vendor specific information field in the BootP request to providedevice-related initial startup information. The BootP/TFTP configuration utility displays thisinformation in the ‘Client Info’ column (see Figure 123).This option is not available on DHCP serversThe Vendor Specific Information field is disabled by default. To enable / disable this feature:set the ini file parameter ‘ExtBootPReqEnable’ (Table 36) or use the ‘-be’ command lineswitch (see Table 92).
