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<!-- Copyright (C) 2003 Red Hat, Inc. --><!-- This material may be distributed only subject to the terms --><!-- and conditions set forth in the Open Publication License, v1.0 --><!-- or later (the latest version is presently available at --><!-- http://www.opencontent.org/openpub/). --><!-- Distribution of the work or derivative of the work in any --><!-- standard (paper) book form is prohibited unless prior --><!-- permission is obtained from the copyright holder. --><HTML><HEAD><TITLE>ip_address</TITLE><meta name="MSSmartTagsPreventParsing" content="TRUE"><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="eCos Reference Manual"HREF="ecos-ref.html"><LINKREL="UP"TITLE="Common Commands"HREF="common-commands.html"><LINKREL="PREVIOUS"TITLE="help"HREF="help-command.html"><LINKREL="NEXT"TITLE="load"HREF="download-command.html"></HEAD><BODYCLASS="REFENTRY"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">eCos Reference Manual</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="help-command.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="download-command.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><H1><ANAME="IP-ADDRESS-COMMAND">ip_address</H1><DIVCLASS="REFNAMEDIV"><ANAME="AEN3361"></A><H2>Name</H2>ip_address -- Set IP addresses</DIV><DIVCLASS="REFSYNOPSISDIV"><ANAME="AEN3364"><H2>Synopsis</H2><P><BCLASS="COMMAND">ip_address</B> [-l <TTCLASS="REPLACEABLE"><I> local_IP_address</I></TT>] [-h <TTCLASS="REPLACEABLE"><I> server_IP_address</I></TT>] [-d <TTCLASS="REPLACEABLE"><I>DNS_server_IP_address</I></TT>]</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN3373"></A><H2>Arguments</H2><DIVCLASS="INFORMALTABLE"><ANAME="AEN3375"><P></P><TABLEBORDER="1"CLASS="CALSTABLE"><THEAD><TR><THWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Name</TH><THWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Type</TH><THWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Description</TH><THWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Default</TH></TR></THEAD><TBODY><TR><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">-l <TTCLASS="REPLACEABLE"><I>local_IP_address</I></TT></TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Numeric IP or DNS name</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">The IP address RedBoot should use.</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP"><SPANCLASS="emphasis"><ICLASS="EMPHASIS">none</I></SPAN></TD></TR><TR><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">-h <TTCLASS="REPLACEABLE"><I>server_IP_address</I></TT></TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Numeric IP or DNS name</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">The IP address of the default server. Use of thisaddress is implied by other commands, such as<BCLASS="COMMAND">load</B>.</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP"><SPANCLASS="emphasis"><ICLASS="EMPHASIS">none</I></SPAN></TD></TR><TR><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">-d <TTCLASS="REPLACEABLE"><I>DNS_server_IP_address</I></TT></TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">Numeric IP or DNS name</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP">The IP address of the DNS server.</TD><TDWIDTH="25%"ALIGN="LEFT"VALIGN="TOP"><SPANCLASS="emphasis"><ICLASS="EMPHASIS">none</I></SPAN></TD></TR></TBODY></TABLE><P></P></DIV></DIV><DIVCLASS="REFSECT1"><ANAME="AEN3410"></A><H2>Description</H2><P>The <BCLASS="COMMAND">ip_address</B> command is used to show and/or change the basic IPaddresses used by RedBoot. IP addresses may be given as numericvalues, e.g. 192.168.1.67, or as symbolic names such as www.redhat.comif DNS support is enabled. </P><P>The <TTCLASS="OPTION">-l</TT> option is used to set the IP address used bythe target device. </P><P>The <TTCLASS="OPTION">-h</TT> option is used to set the default serveraddress, such as is used by the <BCLASS="COMMAND">load</B> command. </P><P>The <TTCLASS="OPTION">-d</TT> option is used to set the default DNS serveraddress which is used for resolving symbolic network addresses. Notethat an address of 0.0.0.0 will disable DNS lookups. </P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN3421"></A><H2>Examples</H2><P>Display the current network settings. <TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN"> RedBoot> <TTCLASS="USERINPUT"><B>ip_address</B></TT> IP: 192.168.1.31, Default server: 192.168.1.101, DNS server IP: 0.0.0.0 </PRE></TD></TR></TABLE> </P><P>Change the DNS server address. <TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN"> RedBoot> <TTCLASS="USERINPUT"><B>ip_address -d 192.168.1.101</B></TT> IP: 192.168.1.31, Default server: 192.168.1.101, DNS server IP: 192.168.1.101 </PRE></TD></TR></TABLE> </P><P>Change the default server address. <TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN"> RedBoot> <TTCLASS="USERINPUT"><B>ip_address -h 192.168.1.104</B></TT> IP: 192.168.1.31, Default server: 192.168.1.104, DNS server IP: 192.168.1.101</PRE></TD></TR></TABLE> </P></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="help-command.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ecos-ref.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="download-command.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">help</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="common-commands.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">load</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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