3Com 3C10200 NBX Installation Guide - Page 187

Configuring IP Telephony 187 Appendix C, "Configuring Option 184 on a Windows 2000 DHCP Server," in the NBX Administrator's Guide. The methods for configuring special options vary depending on the DHCP server, and the example in the NBX Administrator's Guide may not apply directly to your DHCP server. For assistance, contact your network administrator, the vendor of the DHCP server, or a qualified 3Com service representative. Configuring Analog Line Card Port IP Settings Typically, your analog line card ports reside on the same subnetwork as the NCP. If you use IP On-the-Fly, or if you use Standard IP with DHCP, IP configuration is automatic. Verify that your server has enough addresses. However, if you are using Standard IP without DHCP, you must manually configure the IP settings for each line card port. To manually configure IP settings for line card ports: 1 Log in to the NBX NetSet utility using the administrator username and password. 2 If you have not already done so, use the Auto Discover feature to add line card ports to the configuration database. For more information see "Configuring a Line Card Port" in the NBX Administrator's Guide. 3 Click PSTN Gateway Configuration > Analog Line Cards. 4 Select a line card port from the list by clicking its extension, and then click the IP Settings tab. Configuring T1, E1, and BRI Channel IP Settings If all digital line cards reside on the same subnetwork as the NCP, and you are using IP On-the-Fly or Standard IP and DHCP, IP configuration is automatic. If you are using Standard IP without DHCP, you must manually configure the IP settings for T1, E1, and ISDN BRI cards. 3C10165D E1 cards and 3C10116D T1 cards can be installed in a remote location and communicate with the NCP over a routed network. For information on how to configure these cards for remote operation, see the NBX Administrator's Guide. 3C10165D E1 Digital Line Cards and 3C10116D T1 Digital Line Cards do not support DHCP lease times of less than 20 minutes.