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[MUSIC PLAYING]

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Welcome to authentication
virtual links and optimization.

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In this skill, we're
going to be looking at--

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well, exactly
those three things.

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We're going to be looking
at authentication for OSPF

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to help secure our environment.

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We'll be looking at
virtual links for OSPF to--

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well, maybe get us through
some interesting failures

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or possibly mergers that
might cause a non-normal OSPF

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topology.

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And we'll wrap up by
looking at some ways

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that we can modify timers
and such to optimize

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OSPF performance
and convergence.

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

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Let's just go ahead
and get started.

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I'll see you in the next video.

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