Introduction 1-3n For IP filters, see “About filters and filter sets” on page 7-6 and“Working with IP filters and filter sets” on page 7-16.n To transfer firmware and configuration files, see “Transferringconfiguration and firmware files with XMODEM” on page 10-12 or“Transferring configuration and firmware files with TFTP” onpage 10-17.n To secure your network with SecurID, see Chapter 8, “TokenSecurity Authentication.”Use the guide’s table of contents and index to locate sections onother topics.The appendices of this guide offer helpful information, such astroubleshooting tips and a technical support guide.Netopia modelsThisReference Guide covers all of the Netopia Router models.However some information in this guide will only apply to a specificmodel.See the Netopia Router’s Release Notes for more information, or callFarallon Customer Service.Screen differencesBecause different Netopia Router models offer different features andinterfaces, the options shown on some screens in thisReferenceGuide may not appear on your own particular Netopia Router’sconsole screen.These differences are explained throughout the manual.