Stub and
Totally Stubby areas [7:34478]
Sent
by:
n
t;. Because as we all know, with stub the E-bit is set to 1.
>
> Thanks for the replies.
> Elmer
> - Original Message -
> From: "s vermill"
> To:
> Sent: Tuesday, February 05, 2002 12:41 PM Subject: RE: Doyle on Stub and
> Totally Stubby areas [7:34478]
>
ow
operating in totally stubby mode". Because as we all know, with stub the
E-bit is set to 1.
Thanks for the replies.
Elmer
- Original Message -
From: "s vermill"
To:
Sent: Tuesday, February 05, 2002 12:41 PM
Subject: RE: Doyle on Stub and Totally Stubby areas [7:344
Elmer,
In short, a totally stubby area blocks all Type 3, 4 and 5 LSAs from
entering the stub area. A stub area blocks all Type 4 and 5 LSAs from
entering the stub area. Both inject an additional Type 3 into the stub
for the default route.
>From the perspective of a stub router, you will see a
Yes that wording, when directly compared, is a little confusing. But you
have the right understanding. Stub areas only summarize the AS external
routes, leaving all of the IA routes in tact. Totally stubby areas get only
one outside route - whether IA or AS external - 0.0.0.0.
Put in different
Hi, group.
Please clarify this description by Doyle regarding stub
and totally stubby areas. As indicated on page 480...
"ABRs at the edge of a stub area will use Network Summary
LSAs [i.e. Type 3?] to advertise a single default route
(destination 0.0.0.0) into the area."
Then on page 482...
"The
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