[c-nsp] LOG ACL

Gert Doering gert at greenie.muc.de
Tue Jan 31 06:16:47 EST 2006


Hi,

On Tue, Jan 31, 2006 at 10:44:43AM -0000, Tim Franklin wrote:
> > The last sentence is definitely not true on any cisco router. 
> >  All ACLs
> > end with an implicit "deny ip any any".
> > 
> > It's a bit different for route-maps without an explicit permit/deny at
> > the end, but in ACLs, I have not seen a single case where it didn't
> > work as expected.
> 
> Crypto maps?  ACLs that have at least one entry do end with the implicit
> "deny ip any any", but IME non-existant ACLs are treated as "permit ip any
> any" rather than deny.

Yep, this is correct, for all sort of "packet matching" ACLs - but not
necessarily so for route export/import ACLs.

For *existing* ACLs, there's always a "deny ip any any" at the end...

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
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