OSPF E1,E2 and N1,N2?

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devang_etcom Fri, 03/09/2007 - 23:59
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yes my dear friend... N1 and N2 are having same cost criteria as E1 and E2 have... but N1 and N2 both are in NSSA...



Danilo Dy Fri, 03/09/2007 - 22:34
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OSPF E1 and E2 routes are routes redistributed to OSPF process. Routes are redistributed in OSPF as either type 1 (E1) routes or type 2 (E2) routes, with type 2 being the default. A type 1 route has a metric that is the sum of the internal OSPF cost and the external redistributed cost. A type 2 route has a metric equal only to the redistributed cost

Difference between E1 and E2 OSPF routes


devang_etcom Fri, 03/09/2007 - 22:40
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yes normally ABR router send the route learn from the external area to the local area... so when you are using the route with E2 then its indicating the cost of the destination from the ABR router but not from the internal router of the local area... but when you have E1 then update of the external route include the cost of the internal router to the ABR router as well as (or addition) the cost of the path from ABR router to the Destination route...




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