LSA Type-4 blocked or Not ?

From: Navin MS (navin_ms07@yahoo.com)
Date: Thu Jun 01 2006 - 02:02:46 ART

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Hello Group,

I'm relatively new entrant to this group. And while I was doing Lab-4 of IEWB, I got his doubt..

Is OSPF LSA Type-4 blocked by a Stub Area ABR or not ?

When LSA type-5 are not allowed inside a Stub area, then why would a router inside a Stub Area
need a LSA type-4 ? Shouldn't they be blocked as well ? Routers inside Stubby area can anyways use
the default LSA type-3 to get out to external destinations.

But IEWB Lab-4 solutions gives a table which shows LSA Type-4s are allowed inside a Stub Area. I'm
confused. Please help.

TIA,
Naveen.

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