<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hallo,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>as described by CISCO in <o:p></o:p></p><p class=MsoNormal><a href="http://www.cisco.com/web/about/ac123/ac147/archived_issues/ipj_7-2/ipv6_autoconfig.html">http://www.cisco.com/web/about/ac123/ac147/archived_issues/ipj_7-2/ipv6_autoconfig.html</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>a router hast to send ICMPv6 messages of type RS to the all-router multicast group: ff02::1 and <span class=code>ff02::2 for stateless autoconfiguration.<o:p></o:p></span></span></p><p class=MsoNormal><span class=code><span lang=EN-US><o:p> </o:p></span></span></p><p class=MsoNormal><span class=code><span lang=EN-US>How can I activate this sending in CentOS?<o:p></o:p></span></span></p><p class=MsoNormal><span class=code><span lang=EN-US><o:p> </o:p></span></span></p><p class=MsoNormal><span lang=EN-US>Best regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Helmut<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>