SMC Networks SMC6724L3 Manual de usuario descargar pdf (Pagina 258)

100

101

ONFIGURING

THE

WITCH

3-210

Redistributing External Routes

You can configure this router to import external routing information from

other routing protocols into the autonomous system.

Command Usage

• This router supports redistribution for both RIP and static routes.

• When you redistribute external routes into an OSPF autonomous system

(AS), the router automatically becomes an autonomous system boundary

router (ASBR).

• However, if the router has been manually configured as an ASBR via the

General Configuration screen, but redistribution is not enabled, the

router will only generate a “default” external route into the AS if it has

been configured to “always” advertise a default route even if an external

route does not actually exist (page 3-188).

• Metric type specifies the way to advertise routes to destinations outside

the autonomous system (AS) via External LSAs. Specify Type 1 to add

the internal cost metric to the external route metric. In other words, the

cost of the route from any router within the AS is equal to the cost

associated with reaching the advertising ASBR, plus the cost of the

external route. Specify Type 2 to only advertise external route metric.

• The metric value specified for redistributed routes supersedes the Default

External Metric specified in the OSPF / General Configuration screen

(page 3-188).

OSPF

RIP, or

static routes

Router

ASBR

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SMC Networks SMC6724L3 Manual de usuario Pagina 258

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