Support from Your Network Supplier D-3Support from Your Network SupplierIf additional assistance is required, contact your network supplier. Manysuppliers are authorized 3Com service partners who are qualified toprovide a variety of services, including network planning, installation,hardware maintenance, application training, and support services.When you contact your network supplier for assistance, have thefollowing information ready:n Diagnostic error messages.n A list of system hardware and software, including revision levels.n Details about recent configuration changes, if applicable.If you are unable to contact your network supplier, see the followingsection on how to contact 3Com.