10 Getting startedFirst stepAssemble all tools and documentation required to configure your SMBnetwork. See "SMB Preconfiguration checklist" (page 12).Second stepDetermine which reference topologies and interconnected topologies mostclosely resemble your unique solution.Then read the following sections of this guide for more detail:• "New products" (page 13)• "Existing products" (page 15)• "Reference topologies and assumptions" (page 18)The reference topologies do not represent a definitive solution for yournetwork but do offer detailed procedures that can provide a guideline foryour implementation.• "IP addressing for SMB devices and DHCP" (page 19)• "Installing the Business Element Manager" (page 21)Stand-alone SMB sitesIf your requirement is• solely for data connectivity with no requirement for voice solutions, thenconfigure your site based on the "Smaller converged site (Greenfieldand infrastructure replacement)—reference topology 2" (page 37).• IP or traditional telephony or both, and data connectivity, then configureyour site based on the "Smaller converged site (Greenfield andinfrastructure replacement)—reference topology 2" (page 37).• IP or traditional telephony or both, and data connectivity, and GuestAccess application service, then configure your site based on the"Converged small site (mixed-vendor environment)—reference topology1" (page 23).Linked SMB sitesLinked SMB sites offer two main types of solutions:• IP trunk linked sites• main and remote linked sitesIn IP trunk linked site scenarios, both sites have a BCM telephony callserver and hence are independent. An H.323 IP trunk links the sites forharmonized private dialing plans through branch office virtual privateSMBSmall and Medium Business Solutions Overview and Configuration GuideNN47910-200 02.01 StandardRelease 1.00 11/22/2006Copyright © 2006, Nortel Networks Nortel Networks Confidential.