3Com VCX V7111 VoIP SIP Gateways User Manual 43 TFTP Server IP address – Usually TFTP and BootP servers are installed on the samehost. However, when using the 3Com Configuration utility or a Microsoft DHCP server, itis possible to set the IP address of TFTP server (Boot Server Host Name field), and inthis case BootP and TFTP servers can run from different hosts.Configuring the TFTP ServerTo configure the TFTP Server, follow these steps:1 Set the default directory where the image file resides (C:\3Com\…).2 Copy the image file (such as, ram.cmp) to the TFTP default directory on your host PC.3 Copy the INI file and other optional configuration files (Call Progress tones and Coeff.datfiles) to the TFTP default directory on your host PC. Ensure the correct coeff.dat file isused. Two different coefficient files are provided, for the VCX V7111 FXS and VCXV7111 FXO Gateways.4 Set the TFTP timeout to 3 seconds and number of retransmissions to 20.Using the 3Com BootP/TFTP Configuration UtilityThe 3Com Configuration utility provides an easy way to configure the VCX V7111 Gateway.Similar to other BootP and TFTP servers, the application can be installed on Windows 98 orWindows NT/2000. With 3Com’s BootP/TFTP Server Configuration utility, it is possible touse the integrated TFTP server (part of the Utility) or to install TFTP server on a differenthost. The utility enables remote reset of the VCX V7111 for triggering the initializationprocedure (BootP and TFTP). For details of the procedure, see the 3Com Software UtilitiesManual.Configuration Utility Main Features BootP server supporting hundreds of entries. Integrated TFTP server. Common Log window displaying BootP and TFTP status. Contains all data required for provisioning of 3Com products. Provides the TFTP server address, enabling network separation of TFTP and BootPservers. Tools for backup and for restoring the local database. Templates. User-defined names for each entity. Option for changing the Gateway MAC (Media Access Control) address. Protection against entering fault information. Unicast or Broadcast BootP response.