Cabletron Systems CyberSWITCH CSX500 Specifications download pdf (Page 147)

Routing Configuration Window

QuickSET Configuration Guide 131

OSPF employs “ﬂooding” to exchange link-states with other routers. Any change in routing

information is ﬂooded to all routers in the network. The use of “areas” puts a boundary on the

explosion of link-state updates. All routers within an area will have the exact link-state database.

Figure 140 OSPF Settings Window

The OSPF Settings window shown in Figure 140 above, displays a database of areas. Areas are

represented by an address (area ID) similar to an IP address in format; four groups of three decimal

numbers, separated by periods. There is no mask associated with area IDs.

The Import AS External (True or False) ﬁeld, when set to True allows the importation of

Autonomous System external link-state advertisements into the Area ID in the Area ID ﬁeld. To

add an area to the database, click the A

dd Area button.

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Cabletron Systems CyberSWITCH CSX500 Specifications Page 147