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Chapter XV. Classification and Filtering
Copyright ©2013.Chelsio Communications. All Rights Reserved. Page 199
1. Introduction
Classification and Filtering feature enhances network security by controlling incoming traffic as
they pass through network interface based on source and destination addresses, protocol,
source and receiving ports, or the value of some status bits in the packet. This feature can be
used in the ingress path to:
Steer ingress packets that meet ACL (Access Control List) accept criteria to a particular
receive queue.
Switch (proxy) ingress packets that meet ACL accept criteria to an output port, with
optional header rewrite.
Drop ingress packets that fail ACL accept criteria.
1.1. Hardware Requirements
1.1.1. Supported Adapters
The following are the currently shipping Chelsio Adapters that are compatible with the
Classification and Filtering feature:
T420-CR
T420-LL-CR
T440-CR
T440-LP-CR
T420-BCH
T422-CR
T420-SO-CR
T420-CX
T420-BT
T404-BT
1.2. Software Requirements
1.2.1. Linux Requirements
Currently the Classification and Filtering feature is available for the following versions:
Redhat Enterprise Linux 5 update 3 kernel (RHEL5.3), 2.6.18-128.el5
Redhat Enterprise Linux 5 update 4 kernel (RHEL5.4), 2.6.18-164.el5
Redhat Enterprise Linux 5 update 5 kernel (RHEL5.5), 2.6.18-194.el5
Redhat Enterprise Linux 5 update 6 kernel (RHEL5.6), 2.6.18-238.el5
Redhat Enterprise Linux 5 update 7 kernel (RHEL5.7), 2.6.18-274.el5
Redhat Enterprise Linux 5 update 8 kernel (RHEL5.8), 2.6.18-308.el5
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