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Figures
Figure 1-1. X.25 Network ...........................................................................................1-2
Figure 1-2. OSI/X.25 Correspondence .......................................................................1-3
Figure 1-3. LAPB Frame .............................................................................................1-4
Figure 1-4. Sample X.25 Configuration ......................................................................1-8
Figure 1-5. Virtual Circuit Connecting Bay Networks Routers ...................................1-9
Figure 1-6. X.25 Call Request Packet Format ..........................................................1-10
Figure 1-7. Setting Up an X.25 Call Connection ......................................................1-11
Figure 1-8. Routing IP Traffic across the X.25 Network ............................................1-12
Figure 1-9. Sample Network Topology with TCP/IP Tunneling and IPEX .................1-13
Figure 1-10. Levels of Tunneling with IPEX ................................................................1-14
Figure 1-11. How IPEX Establishes Connections ......................................................1-17
Figure 1-12. Role of the X.25 and TCP Protocol Stacks in IPEX ...............................1-19
Figure 2-1. RFC 1356 Null Encapsulation ..................................................................2-7
Figure 2-2. RFC 1356 Normal Encapsulation ............................................................2-7
Figure 3-1. Add Circuit Window ..................................................................................3-2
Figure 3-2. WAN Protocols Menu ...............................................................................3-3
Figure 3-3. X.25 Packet Config Window .....................................................................3-4
Figure 3-4. X.25 Service Configuration Window for a PDN Network ........................3-11
Figure 3-5. X.25 Service Window .............................................................................3-12
Figure 4-1. Configuration Manager Window ...............................................................4-2
Figure 4-2. Edit X.25 Global Parameters Window ......................................................4-3
Figure 4-3. X.25 Packet Level Edit Window ................................................................4-5
Figure 4-4. X.25 Service Configuration Window for a DDN Network .......................4-26
Figure 4-5. Default DDN Service Window ................................................................4-27
Figure 5-1. Edit LAPB Parameters Window ...............................................................5-2
Figure 6-1. Configuration Manager Window Showing IPEX Protocols Menu .............6-2
Figure 6-2. Edit IPEX Global Parameters Window .....................................................6-2
Figure 6-3. X.25 Service Window ...............................................................................6-5
Figure 6-4. Values Selection Window .........................................................................6-6
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