Cyclades-PR2000

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.

AS 100

200.50.51.0

255.255.255.0AS 747 200.50.51.0 / 24

PR3000

100.100.100.1

PR3000

 

100.100.100.2

 

200.200.200.1

Tele Popeye

200.50.50.0

 

255.255.255.0

 

200.50.50.0 / 24

 

AS 310

 

PR3000

 

200.200.200.2

 

Tele Brutus

 

FIGURE 9.4 EXAMPLE SYSTEM WITH PR2000 IN AS 100 BEING CONFIGURED

Chapter 9 - Routing Protocols

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Avocent Cyclades-PR2000 installation manual 255.255.255.0 200.50.50.0 PR3000 200.200.200.2 Tele Brutus