From: Eric Leung (eric.lwc@gmail.com)
Date: Sun Nov 02 2008 - 03:18:38 ARST
Hi Omar,
"area 1 stub no-summary" will be the correct answer. The default route
generated is of type 3. This is to allow all routers in area 1 to route all
traffic external to Area 1 to the ABR (R1 in your case), this default route
is genereated automatically and unavoidable.
HTH,
Eric.
2008/11/2 omar parihuana <omar.parihuana@gmail.com>
> Hi GS,
>
> I'm a bit confused. I have the follow task: Area 1 should not receive LSA
> Types 3, Types 4 and Types 5. so the answer is:
>
> in both routers:
>
> router ospf 1
> area 1 stub no-summ
>
> however, the routing table show:
>
> O*IA 0.0.0.0/0 [110/74] via 131.1.12.2, 00:14:56, Serial0/0.102
>
> and this default route is a LSA Type 3 in accordance to OSPF database:
>
> R1#sh ip ospf database
>
> Summary Net Link States (Area 1)
>
> Link ID ADV Router Age Seq# Checksum
> 0.0.0.0 22.2.2.2 932 0x80000003 0x0017FF
> R1#
>
> So I think that the answer is not exactly because there is a LSA Type 3
> (default route) anyway what will be the correct answer?
>
> Rgds.
>
> --
> Omar E.P.T
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