RE: [fw-wiz] Comparisons between Router ACLs and Firewalls

From: Marcus J. Ranum (mjr_at_ranum.com)
Date: 01/03/04

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    To: "Bill James" <bubbagates@comcast.net>, "'David Pick'" <d.m.pick@qmul.ac.uk>
    Date: Sat, 03 Jan 2004 17:42:24 -0500
    
    

    Bill James wrote:
    >The problem with using ACL's is the load they can add to a router. Most
    >of Cisco's newer IOS' have IP Inspection and do OK but can add a
    >tremendous load on the router.

    I've never found any good studies of ACL performance. Do you have any
    references you can point us to?

    mjr.

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