From mboxrd@z Thu Jan 1 00:00:00 1970 From: "James Ma" Date: Wed, 04 Dec 2002 19:01:05 +0000 Subject: [LARTC] u32 and netfilter MIME-Version: 1 Content-Type: multipart/mixed; boundary="----=_NextPart_000_0012_01C29B9D.965F6480" Message-Id: List-Id: To: lartc@vger.kernel.org This is a multi-part message in MIME format. ------=_NextPart_000_0012_01C29B9D.965F6480 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, All, My understanding is u32 filter is very powerful filter and could do = anything about IP header filtering, then why do we sometimes use = netfilering in IPtables? One advantege I guess is in netfilering, there = is usage counter? Are there other advantges using netfilter (such as = delay, flexibility)? What is the disadvantages to us Netfilter? In summary, what are the considerations to select u32 or netfilter as = classifier for QoS? Thanks, James ------=_NextPart_000_0012_01C29B9D.965F6480 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi, All,
 
My understanding is u32 filter is very = powerful=20 filter and could do anything about IP header filtering, then why do = we=20 sometimes use netfilering in IPtables? One advantege I guess is in = netfilering,=20 there is usage counter? Are there other advantges using netfilter (such = as=20 delay, flexibility)? What is the disadvantages to us = Netfilter?
 
In summary, what are the considerations = to select=20 u32 or netfilter as classifier for QoS?
 
 
Thanks,
 
James
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