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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
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