Motorola 68241 User Guide - Page 27
LAN Connection Encapsulation Examples, Maximum LAN Connections Over X.25 With Codex
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WAN Adapter LAN Connection Encapsulation Examples Examples The following examples illustrate LAN traffic encapsulation by • Codex Proprietary Encapsulation • Frame Relay - RFC 1294 and RFC 1490 LCON over X.25 using Codex Proprietary Encapsulation Figure 2-4 depicts LAN traffic encapsulated by Codex Proprietary Encapsulation for transport over an X.25 network. At the regional site a Vanguard connects with up to 254 branch sites over X.25. The encapsulation type should be Codex Proprietary due to the RFC limitation of supporting only a single call. The LCONs can be connected in any combination of Router Interfaces (On Demand or Permanent SVCs) and Bridge Links (Permanent SVCs only) as long as the total capacity is not exceeded. 254 Branches Token Ring Branch 1 Vanguard Token Ring Codex Prop Encaps Vanguard : Branch 254 X.25 SVCs Codex Prop Encaps X.25 VCanisgcuoard Token Ring Legacy Protocol Server Image Server Vanguard IP Host Terminal Server Figure 2-4. Maximum LAN Connections Over X.25 With Codex Proprietary Encapsulation and Permanent SVCs Vanguard Routing Model T0100-01, Revision B 2-11 Release 5.4
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