tailieunhanh - WINDOWS 2000 TROUBLE SHOOTING TCP/I P phần 8

Mỗi của các máy chủ DNS sẽ có cơ sở dữ liệu khu vực khác nhau, và họ chắc chắn sẽ không tham gia trong việc chuyển giao vùng với nhau. Đây là kịch bản phổ biến nhất bạn sẽ gặp phải bởi vì hầu hết các tổ chức đã có một tên miền và cảnh giác của sự thay đổi. Tuy nhiên, nếu bạn đang may mắn, đủ để được làm việc với một cài đặt mạng mới, hoặc một | 492 Chapter 9 Troubleshooting Remote Access in a Windows 2000 TCP IP Network To check the status of the ports select the remote access server in the right pane of the RRAS console and double-click Ports in the right panel. You will see a display similar to Figure informing you which ports are active and which are inactive. Figure Check the status of the remote server ports for activity. Ensure there are sufficient IP addresses in the static address pool of addresses assigned by RRAS to dial-in clients if the server is configured with a static address pool. To add addresses to the static pool right-click the server name in the left pane of the RRAS console select Properties select the IP tab and click ADD. Inability to Aggregate the Bandwidth of Multiple Telephone Lines If you have multiple telephone lines for instance two ISDN channels and are unable to aggregate the bandwidth of the two lines check the following Ensure that your ISDN adapter supports multiple lines or that you have two functional modems each attached to a separate working telephone line. Troubleshooting Remote Access in a Windows 2000 TCP IP Network Chapter 9 493 Ensure that the Remote Access Server s PPP options are configured to support multilink. On the Remote Access Server PPP configuration options are set in the RRAS console s Properties sheet for the remote access server as shown in Figure . Figure Windows 2000 RRAS allows you to configure PPP options on the remote server. Here you can select the following PPP options to be used by the server Select whether multilink connections are allowed. Multilink is a way of aggregating two or more phone lines for greater bandwidth. If multilink is enabled you can select whether to use the Bandwidth Allocation Protocols BAP and BACP to allow multilink to adapt to changing bandwidth demands. Choose to enable the Link Control Protocol LCP extensions. For information about LCP options see RFC 1661. Enable software compression for greater