Access-Lists

Wondering if someone can answer this for me can't find much online about it:

Access-list 12 permit <ip> <wildcard>
line 1 5
access-class 12 {in|out}

I understand that this blocks (or permits) access to the vtys but what is the difference between the in and out?

Also when an access list has "dynamic" on the end of it it is used for time based access...yes?

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Comments

shednik

the in - restrict who can access that specific device
the out - restrict what you can access from that device

And yes a dynamic access list is used for time based access to something.

Daniel333

Picture yourself as the router. Each arm is ethernet port. Helped me when I was new to the CCNA.

You are either throwing or catching a ball right?

Bl8ckr0uter

Daniel333 wrote: »

Picture yourself as the router. Each arm is ethernet port. Helped me when I was new to the CCNA.

You are either throwing or catching a ball right?

That was an interesting analogy. But all of the replies are saying the same (correct) thing. In is literally coming in and out is literally going out.

mattrgee

Nice analogy.

blackninja

Daniel333 wrote: »

Picture yourself as the router. Each arm is ethernet port. Helped me when I was new to the CCNA.

You are either throwing or catching a ball right?

Jeremy Cioara uses a very similar analogy in CBTNuggetts.

AlanJames

Daniel333 wrote: »

Picture yourself as the router. Each arm is ethernet port. Helped me when I was new to the CCNA.

You are either throwing or catching a ball right?

I think that quote was made in CCNA sec videos :P makes sense though

mikej412

Daniel333 wrote: »

Picture yourself as the router.

Be The Router!