3Com® VCX V7111 VoIP Gateway User Guide 243Using BootPUpgrading the V7111 GatewayWhen upgrading the V7111 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. Ifthe file is not saved, the gateway reverts to the old version of software after the nextreset. For information on using command line switches, see Using Command LineSwitches.Vendor Specific Information FieldThe V7111 gateway uses the vendor specific information field in the BootP request toprovide device-related initial startup information. The BootP/TFTP configuration utilitydisplays this information in the Client Info column (see Figure 145).This option is not available on DHCP servers.The Vendor Specific Information field is disabled by default. To enable / disable this feature:set the ini file parameter ExtBootPReqEnable (Table 69 ) or use the -be command lineswitch (see Table 114 ).Table 79 details the vendor specific information field according to device types:Table 79 Vendor Specific Information FieldTag # Description Value Length220 Gateway Type#13 = V7111 24 PORT#14 = V7111 18 PORT#15 = V7111 14 PORT#16 = V7111 12 PORT1221 Current IP Address XXX.XXX.XXX.XXX 4222 Burned Boot Software Version X.XX 4223 Burned cmp Software Version XXXXXXXXXXXX 12224 Geographical Address 0 – 31 1
