yes, it was being used for route filtering, esp. BGP Thanks, i got the point. I was missing this link that in route filtering access-lists behave differently. Great list to discuss issues.
Best regards, On Thu, Mar 4, 2010 at 12:47 AM, Marko Milivojevic <[email protected]>wrote: > On Wed, Mar 3, 2010 at 20:55, Nadeem Rafi <[email protected]> wrote: > >> Hi Guys! >> >> please can elaborate how this access list will work? >> >> permit ip 30.0.0.0 0.255.255.255 255.255.255.0 0.0.0.255 >> > > It's important to know the context in which this ACL will be used. When > extended ACLs are used for route filtering, source address is used to match > agains prefix and destination address to match agains netmask/prefix > lengths. > > -- > Marko Milivojevic - CCIE #18427 > Senior Technical Instructor - IPexpert > > Mailto: [email protected] > Telephone: +1.810.326.1444 > Fax: +1.810.454.0130 > R&S Video on Demand Demo: http://bit.ly/aFyrU4 >
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