<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML ><HEAD ><TITLE >Manipulating neighbors table using “ip”</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Linux IPv6 HOWTO (en)" HREF="index.html"><LINK REL="UP" TITLE="Neighbor Discovery" HREF="chapter-neighbor-discovery.html"><LINK REL="PREVIOUS" TITLE="Displaying neighbors using “ip”" HREF="x1164.html"><LINK REL="NEXT" TITLE="Configuring IPv6-in-IPv4 tunnels" HREF="chapter-configuring-ipv6-in-ipv4-tunnels.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Linux IPv6 HOWTO (en)</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x1164.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 8. Neighbor Discovery</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="chapter-configuring-ipv6-in-ipv4-tunnels.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="AEN1170" ></A >8.2. Manipulating neighbors table using “ip”</H1 ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN1172" ></A >8.2.1. Manually add an entry</H2 ><P >With following command you are able to manually add an entry</P ><TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" ># ip -6 neigh add <IPv6 address> lladdr <link-layer address> dev <device></PRE ></FONT ></TD ></TR ></TABLE ><P >Example:</P ><TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" ># ip -6 neigh add fec0::1 lladdr 02:01:02:03:04:05 dev eth0</PRE ></FONT ></TD ></TR ></TABLE ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN1178" ></A >8.2.2. Manually delete an entry</H2 ><P >Like adding also an entry can be deleted:</P ><TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" ># ip -6 neigh del <IPv6 address> lladdr <link-layer address> dev <device></PRE ></FONT ></TD ></TR ></TABLE ><P >Example:</P ><TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" ># ip -6 neigh del fec0::1 lladdr 02:01:02:03:04:05 dev eth0</PRE ></FONT ></TD ></TR ></TABLE ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN1184" ></A >8.2.3. More advanced settings</H2 ><P >The tool “ip” is less documentated, but very strong. See online “help” for more:</P ><TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" ># ip -6 neigh help Usage: ip neigh { add | del | change | replace } { ADDR [ lladdr LLADDR ] [ nud { permanent | noarp | stale | reachable } ] | proxy ADDR } [ dev DEV ] ip neigh {show|flush} [ to PREFIX ] [ dev DEV ] [ nud STATE ]</PRE ></FONT ></TD ></TR ></TABLE ><P >Looks like some options are only for IPv4...if you can contribute information about flags and advanced usage, pls. send.</P ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="x1164.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="chapter-configuring-ipv6-in-ipv4-tunnels.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Displaying neighbors using “ip”</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="chapter-neighbor-discovery.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Configuring IPv6-in-IPv4 tunnels</TD ></TR ></TABLE ></DIV ></BODY ></HTML >