Avaya Configuring Dial Services Manual de usuario descargar pdf (Pagina 19)

117353-B Rev. 00

xix

Figures

Figure 1-1. Example of Dial Access to a Switched Telephone Network .....................1-3

Figure 1-2. Dial-on-Demand Service ..........................................................................1-6

Figure 1-3. Example of Demand Lines, Pools, and Circuits .......................................1-7

Figure 1-4. Dial-on-Demand Connection over a Frame Relay Network .....................1-8

Figure 1-5. Additional Lines for a Dial-on-Demand Connection ...............................1-13

Figure 1-6. PPP Backup over a PSTN .....................................................................1-15

Figure 1-7. PPP Backup over an ISDN Network ......................................................1-16

Figure 1-8. Link Backup for a Frame Relay Network ................................................1-16

Figure 1-9. Example of Backup Pools, Lines, and Circuits .......................................1-19

Figure 1-10. An Example of Bandwidth-on-Demand Service .....................................1-23

Figure 1-11. Sample Bandwidth-on-Demand Network ...............................................1-26

Figure 2-1. Dialup Menu in the Configuration Manager Window ................................2-5

Figure 3-1. Dial Backup Object-Configuration Hierarchy ............................................3-5

Figure 4-1. Sample ISDN Network .............................................................................4-1

Figure 4-2. The BRI Interface .....................................................................................4-2

Figure 4-3. LAPD Frame ............................................................................................4-4

Figure 4-4. Reference Points and Functional Groups for Devices ..............................4-7

Figure 4-5. Reference Points and Functional Groups for Non-ISDN Devices ............4-7

Figure 5-1. Two-Way Authentication ...........................................................................5-3

Figure 5-2. One-Way Authentication ..........................................................................5-4

Figure 5-3. Routers Using CHAP for Authentication ..................................................5-5

Figure 5-4. Using Asynchronous PPP over Modem Lines .........................................5-7

Figure 5-5. Router in an ISDN Network ....................................................................5-10

Figure 5-6. Rate Adaption for a Network with a 56 Kb/s Trunk Line .........................5-16

Figure 5-7. Rate Adaption for a Switched 56 Kb/s Network .....................................5-17

Figure 5-8. X.25 over the D Channel ........................................................................5-18

Figure 6-1. Example of Callback over a Demand Circuit ............................................6-8

Figure 7-1. Dialing an Alternative Router Using IP Unnumbered Interfaces ..............7-3

Figure 7-2. Dialing an Alternative Router Using Demand Circuit Groups ..................7-5

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Avaya Configuring Dial Services Manual de usuario Pagina 19