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[AUDIO LOGO]

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Welcome to implement
OSPF summarization.

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In this skill, we're
going to be taking

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a look at how to do proper
network summarization in OSPF.

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We'll be taking a look at
the reasons we want to do it

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as well as where we can
do it in OSPF because it

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is very limited where
we can summarize

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both internal and
external routes.

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So we'll take a look at
internal routes first,

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then we'll jump into
external routes.

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We'll take a look at some
of those limitations as far

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as where we can and
cannot summarize.

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And then we'll wrap
up by bringing in

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the ultimate summary
a default route.

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So we'll also talk about
how default routes can

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be brought into OSPF.

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So we have a lot of really
cool stuff to cover.

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Let's jump in and get started.

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I'll see you in the next video.

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