Installation ManualH3C S7502 Ethernet Switch Chapter 7 Software Maintenance7-12III. Loading host softwareFollow these steps to download the host software:Step 1: Select <1> from Boot Menu. The system displays the following information:1. Set TFTP protocol parameter2. Set FTP protocol parameter3. Set XMODEM protocol parameter0. Return to boot menuEnter your choice(0-3):3The subsequent steps are the same as those for loading Boot ROM, except for themessages displayed.7.3 Loading Software Remotely or Locally throughCommand LinesIf your terminal is connected to the switch through a network, you can load Boot ROMand host software remotely through command lines.7.3.1 Loading by FTPRun the FTP Server on the local PC. Ensure that you have configured the usernameand password and set the correct file directory. Assume that the IP address of the PC is10.10.110.1.Log in to the switch through Telnet or the console port, to send the host program to theswitch by using FTP.Note:z The S7502 supports dual image booting, that is, usually the switch boots with themain image (i.e. the primary file), but uses the backup image (i.e. the backup file)instead when the primary one has any error. Refer to section 7.4 “Booting theSwitch with Dual Images” on page 7-14 for details.z The S7502 also supports the upgrade by using a combined Boot ROM file, that is,upgrading the Boot ROM of all cards using a combined Boot ROM file. Refer tosection 7.5 “Loading a Host Software Containing the Boot ROM File” on page 7-16for details.Assume that:z The main boot file is SWITCH002.app.z The active host software is SWITCH001.app.z The Boot ROM program is SWITCHbtm.btm.