231 lines
3.6 KiB
HTML
231 lines
3.6 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>Diagram</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="Traffic Control HOWTO"
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HREF="index.html"><LINK
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REL="PREVIOUS"
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TITLE="Scripts for use with QoS/Traffic Control"
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HREF="scripts.html"><LINK
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REL="NEXT"
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TITLE="Annotated Traffic Control Links"
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HREF="links.html"></HEAD
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><BODY
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CLASS="section"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>Traffic Control HOWTO: </TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="scripts.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="links.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="section"
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><H1
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CLASS="section"
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><A
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NAME="diagram"
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></A
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>10. Diagram</H1
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><P
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> </P
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><P
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> </P
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><DIV
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CLASS="section"
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><H2
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CLASS="section"
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><A
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NAME="d-general"
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></A
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>10.1. General diagram</H2
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><P
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> Below is a general diagram of the relationships of the components of a
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classful queuing discipline (HTB pictured). A larger version of
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the diagram is
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<A
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HREF="http://linux-ip.net/traffic-control/htb-class.png"
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TARGET="_top"
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>available</A
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>.
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</P
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><P
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> </P
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><DIV
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CLASS="example"
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><A
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NAME="d-tcng-config"
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></A
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><P
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><B
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>Example 11. An example HTB <B
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CLASS="command"
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>tcng</B
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> configuration</B
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></P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="programlisting"
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> /*
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*
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* possible mock up of diagram shown at
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* http://linux-ip.net/traffic-control/htb-class.png
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*
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*/
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$m_web = trTCM (
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cir 512 kbps, /* commited information rate */
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cbs 10 kB, /* burst for CIR */
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pir 1024 kbps, /* peak information rate */
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pbs 10 kB /* burst for PIR */
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) ;
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dev eth0 {
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egress {
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class ( <$web> ) if tcp_dport == PORT_HTTP && __trTCM_green( $m_web );
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class ( <$bulk> ) if tcp_dport == PORT_HTTP && __trTCM_yellow( $m_web );
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drop if __trTCM_red( $m_web );
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class ( <$bulk> ) if tcp_dport == PORT_SSH ;
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htb () { /* root qdisc */
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class ( rate 1544kbps, ceil 1544kbps ) { /* root class */
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$web = class ( rate 512kbps, ceil 512kbps ) { sfq ; } ;
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$bulk = class ( rate 512kbps, ceil 1544kbps ) { sfq ; } ;
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}
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}
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}
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}
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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></DIV
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><DIV
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CLASS="mediaobject"
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><P
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><IMG
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SRC="images/htb-class.png"></P
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></DIV
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><P
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> </P
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="scripts.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="links.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>Scripts for use with QoS/Traffic Control</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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> </TD
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><TD
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WIDTH="33%"
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ALIGN="right"
|
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VALIGN="top"
|
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>Annotated Traffic Control Links</TD
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></TR
|
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></TABLE
|
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></DIV
|
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></BODY
|
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></HTML
|
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> |