Support from Your Network Supplier81Support from Your Network SupplierIf you require additional assistance, consult your networksupplier. Many suppliers are authorized 3Com service partnerswho are qualified to provide a variety of services, includingnetwork planning, installation, hardware maintenance,application training, and support services.When you consult your network supplier, have the followinginformation ready:■ Product model name, part number, and serial number■ A list of system hardware and software, including revisionlevels■ Diagnostic error messages■ Details about recent configuration changes, if applicableIf you are unable to consult your network supplier, see thefollowing section on how to contact 3Com.NOTE: You do not need a user name andpassword with Web browser software, such asNetscape Navigator and Microsoft InternetExplorer.