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ccbootcamp lab 2 posted 05/02/2001
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Hi,

I've got a question about Marc's bootcamp lab2.

The routing table for R1 shows two subnets advertised as E2 routes plus the
summary:

O E2    10.33.2.0/24 [110/20] via 10.10.1.3, 00:00:01, Serial0.2
O E2    10.33.1.0/24 [110/20] via 10.10.1.3, 00:00:01, Serial0.2
O IA    10.33.0.0/16 [110/65] via 10.10.1.3, 00:00:02, Serial0.2

Now the IA route comes from the 'area 3 range 10.33.0.0 255.255.0.0'
statement on R3. And the E2 routes evidently come from the 'redistribute
connected subnets' command on R3. 

I dont really understand why the E2 routes are there. The loopback
interfaces concerned are in Area3 and part of the OSPF process. Its not as
if the other connected interfaces are redistributed as E2 eg 10.3.1.1/16
which is part of Area 0. So why these 2 subnets ? My understanding was that
'redistribute connected subnets' would only redistribute subnets on
connected interfaces if they weren't part of the OSPF process. But the
evidence shows otherwise. Is the rule that it redistributes any interfaces
in a different area as E2 aswell.

Any help would be appreciated

Thanks

Mark


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