ZyXEL P-2601HN-F1 User Guide - Page 72
Broadband: Add/Edit: Routing Mode continued, UBR Without PCR, Non Realtime VBR, Routing, PPPoE
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Chapter 5 Broadband Table 6 Broadband: Add/Edit: Routing Mode (continued) LABEL Service Category DESCRIPTION Select UBR Without PCR for applications that are non-time sensitive, such as e-mail. Select CBR (Constant Bit Rate) to specify fixed (always-on) bandwidth for voice or data traffic. Select Non Realtime VBR (non real-time Variable Bit Rate) for connections that do not require closely controlled delay and delay variation. Peak Cell Rate Select Realtime VBR (real-time Variable Bit Rate) for applications with bursty connections that require closely controlled delay and delay variation. 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 here. Sustainable Cell Rate This field is not available when you select UBR Without PCR. 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. Maximum Burst Size This field is available only when you select Non Realtime VBR or Realtime VBR. 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. PPP Information PPP User Name PPP Password PPPoE Service Name Authentication Mode This field is available only when you select Non Realtime VBR or Realtime VBR. This section is available only when you select Routing in the Mode field and PPPoE or PPPoA in the WAN Service Type field. Enter the user name exactly as your ISP assigned. If assigned a name in the form user@domain where domain identifies a service name, then enter both components exactly as given. Enter the password associated with the user name above. Type the name of your PPPoE service here. This field is available only when you select PPPoE in the WAN Service Type field. The ZyXEL Device supports PAP (Password Authentication Protocol) and CHAP (Challenge Handshake Authentication Protocol). CHAP is more secure than PAP; however, PAP is readily available on more platforms. Use the drop-down list box to select an authentication protocol for outgoing calls. Options are: AUTO: Your ZyXEL Device accepts either CHAP or PAP when requested by this remote node. PAP: Your ZyXEL Device accepts PAP only. CHAP: Your ZyXEL Device accepts CHAP only. MS-CHAP: Your ZyXEL Device accepts MSCHAP only. MS-CHAP is the Microsoft version of the CHAP. 72 P-2601HN(L)-F1 Series User's Guide