ZyXEL P-660R-T1 v3s User Guide - Page 56
Dynamic IP Address, Interface Setup, Internet
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Chapter 7 Internet Setup Table 11 Interface Setup > Internet (continued) LABEL DESCRIPTION ATM QoS Select CBR (Continuous Bit Rate) to specify fixed (always-on) bandwidth for voice or data traffic. Select UBR (Unspecified Bit Rate) for applications that are non-time sensitive, such as e-mail. Select rtVBR (real-time Variable Bit Rate) for applications with bursty connections that require closely controlled delay and delay variation. Select nrtVBR (non real-time Variable Bit Rate) for connections that do not require closely controlled delay and delay variation. PCR Divide the DSL line rate (bps) by 424 (the size of an ATM cell) to find the Peak Cell Rate (PCR). This is the maximum rate at which the sender can send cells. Type the PCR in this field. SCR The Sustain Cell Rate (SCR) sets the average cell rate (long-term) that can be transmitted. Type the SCR, which must be less than the PCR. Note that system default is 0 cells/sec. MBS Maximum Burst Size (MBS) refers to the maximum number of cells that can be sent at the peak rate. Type the MBS, which is less than 65535. Encapsulation Select the connection type supported by your ISP. The next fields vary depending on what connection type you use. See the following sections for more details. SAVE Click this to save your changes. DELETE Click this to restore the PVC to default settings. 7.2.1 Dynamic IP Address In the Interface Setup > Internet screen, select Dynamic IP Address from the ISP field to display the following screen. Figure 22 Interface Setup > Internet (Dynamic IP) 56 P-660R-Tx v3s User's Guide