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幀中繼framerelay-展示頁

2025-07-27 23:42本頁面
  

【正文】 PVC x LMI 500=Active 400=Inactive 169。 2022, Shenzhen Polytechnic. All rights reserved. 8 CSU/DSU 幀中繼地址映射 ( Frame Relay Address Mapping) ? 從 ISP獲得本地意義的 DLCI號碼 ? Get locally significant DLCIs from provider ? 把網絡地址映射到 DLCI ? Map your work addresses to DLCIs DLCI: 500 PVC Inverse ARP or Frame Relay map IP () Frame Relay DLCI (500) 169。 A bit set in a frame that notifies a DTE that congestion avoidance procedures should be initiated by the sending device. If the router receives any BECNs during the current time interval, it decreases the transmit rate by 25%. ( DE):當路由器檢測到擁塞時,幀中繼交換機將會首先丟棄那些 DE位設置為 1的數據包。 A bit set in a frame that notifies a DTE that congestion avoidance procedures should be initiated by the sending device ( BECN):當網絡發(fā)生擁塞的時候,向源路由器發(fā)送一個 BECN數據包,來通知擁塞。 The guaranteed rate, in bits per second, which the service provider mits to providing. 169。 A number that identifies the end point in a Frame Relay work. ( LMI);是客戶前端設備和幀中繼交換機之間的信令標準,負責管理設備之間的連接、維護設備之間的連接狀態(tài)。 2022, Shenzhen Polytechnic. All rights reserved. 6 幀中繼術語( Frame Relay Terminology) ( Access rate ):連接本地環(huán)到幀中繼的端口速度。 2022, Shenzhen Polytechnic. All rights reserved. 4 幀中繼協(xié)議族( Frame Relay Stack) OSI Reference Model Frame Relay Physical Presentation Session Transport Network Data Link Application EIA/TIA232, EIA/TIA449, , , EIA/TIA530 Frame Relay IP/IPX/AppleTalk, etc. 幀中繼工作在 OSI參考模型的 物理層和數據鏈路層 Frame Relay operate physical and datalink layer. 169。 2022, Shenzhen Polytechnic. All rights reserved. 2 教學目標( Objectives ) 1. 幀中繼概念( Frame Relay Concept ) ( Frame Relay Terminology ) ( Frame Relay Address Mapping) ( LMI Operation) ARP( Frame Relay Inverse ARP ) 6. 配置基本的幀中繼( Configuring Basic Frame Relay ) ( Configuring Frame Relay Subinterfaces ) 169。169。 2022, Shenzhen Polytechnic. All rights reserved. 1 幀中繼 Frame Relay 深圳職業(yè)技術學院計算機系網絡專業(yè) 169。 2022, Shenzhen Polytechnic. All rights reserved. 3 幀中繼預覽 ( Frame Relay Overview) 幀中繼用虛電路為面向連接的服務建立連接 Virtual circuits make connections for Connectionoriented servic
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