大連理工網絡教程—廣域網協(xié)議(文件)
【正文】 .later, changed to … . interface serial 0 encapsulation hdlc PPP Function Name Description Error detection Link Quality Monitoring 當錯誤大于一定的百分比時可以停止使用一條線路。 Compression STAC and Predictor 軟件壓縮 Multilink Support Multilink PPP 將包分片，在多個鏈路上進行負載均衡。 ? 主要有下面這些 LMI信號格式： ? ANSI: Annex D defined by ANSI standard ? ITUT(): Annex A defined by ? Cisco: LMI defined by the gang of four (default) （從 ， LMI類型可以被自動檢測到） Frame Relay Protocols ? DataLink Connection Identifers ? DLCI用來區(qū)分虛電路。 ISDN接口類型 Function Group Acronym Stands for.. Description TE1 Terminal Equipment 1 ISDN capable. 4 wire cable. Understands signaling, 2B+D. Uses S reference point. TE2 Terminal Equipment 1 Does not understand ISDN protocols and specifications. Uses R reference point, typically an RS232 or cable, to connect to a TA. TA Terminal Adpater Uses R reference point and S reference point. Can be though of as the TE1 function group o behalf of TE2 ISDN接口類型 Function Group Acronym Stands for.. Description NT1 Network Termi
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