Avocent Access Router Cyclades-PR2000 Manuale Utente Scaricare il pdf (Pagina 77)

Cyclades-PR2000

Chapter 9 - Routing Protocols 77

The last option is to aggregate the addresses contained in the local autonomous system in order to present an

aggregated route to the outside world. This is done in the last step.

8. Aggregate the addresses contained in the AS.

The steps defined above will now be clarified.

STEP ONE

The global parameters apply to the router’s AS. Classless Inter-Domain Routing (CIDR) Address notation is used

instead of the normal IP Address and Subnet mask notation. Both are shown in Figure 9.4.

..................................

Tele Brutus

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Tele Popeye

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100.100.100.2

100.100.100.1

200.200.200.2

AS 310

200.200.200.1

200.50.51.0

200.50.50.0

AS 747

AS 100

255.255.255.0

200.50.51.0 / 24

200.50.50.0 / 24

PR3000

FIGURE 9.4 EXAMPLE SYSTEM WITH PR2000 IN AS 100 BEING CONFIGURED

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 135 136

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Avocent Access Router Cyclades-PR2000 Manuale Utente Pagina 77