On the higher-end routers you can compile the ACLs and
they get processed a little bit quicker. The feature
is called Turbo ACLs. I haven't had a oppurtunity to
be around a higher-end router long enough to really
test them to see how much of a difference it makes.
--- "Howard C. Berkowitz" <[EMAIL PROTECTED]> wrote:
> >You need to limit your ACLs because the more ACLs
> your CPU usage will go up.
>
>
> No, the total number of ACLs affects memory but not
> CPU.
>
> The number of lines in each ACL affects CPU.
>
> Depending on platform and switching mode, adding
> access-lists at ALL
> is the main impact on performance and CPU.
>
> But saying you need to limit your ACL's because
> usage will go up
> doesn't make sense. If you have a legitimate need
> for the functions
> that the ACLs perform, and your CPU isn't fast
> enough, you need to
> get a router with a faster CPU. The ACLs are there
> for a business
> reason. The only justification for the router is to
> meet business
> requirements. There's no value to conserving a
> resource just for the
> sake of conserving it.
>
> >-----Original Message-----
> >From: ciscojolof [mailto:[EMAIL PROTECTED]]
> >Sent: Wednesday, February 28, 2001 9:51 AM
> >To: [EMAIL PROTECTED]
> >Subject: How to stash more than 100 ACLs in a
> router
> >
> >
> >Guys,
> >
> >I have a problem, in our network we are
> rate-limiting customers but we
> >cannot get more than 100 ACLs per router so once we
> have over 100 customers
> >we are compelled to install a second router.
>
> _________________________________
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