8-17984-A2-GB20-10 February 1999IP Addressing8Selecting an IP Addressing SchemeThe NTU’s network interface IP address is assigned through the peer IP addressof the LTU’s Network Interface menu. The NTU obtains the LTU’s IP addresswhen the PPP link is established over the EOC. The LTU IP address and subnetmask are configured from the Communication Protocol Options menu.The 7984 Standalone Termination Unit is assigned an IP address through thePeer IP address of the M/HDSL Network interface menu. The 7984 StandaloneTermination Unit can also be assigned an IP address and subnet mask for theCOM port. Once an address is assigned, you can manage the 7984 StandaloneTermination Unit’s ATI to assign an: IP address for each NMS to act as a trap manager. See Table A-9, SNMPTraps Options, in Appendix A,Configuration Option Tables. IP address for the TFTP server you wish to use to upload and downloadconfigurations. SeeConfiguration Loader in Chapter 3,Initial Setup andConfiguration.Review the following information in preparation for selecting an IP addressingscheme. Any legal host address is allowed for a given subnet. The address choicewithin the subnet is arbitrary. A single route to a subnet is all that is needed to reach every device on asubnet.