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<p class="MsoNormal"><span lang="DE">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE"></span>  I am implementing a function that send default route to BGP peer, and I am facing an issue about BGP filter, when I use “show route filter” in birdc, the filter result is correct; when I add this filter to config-file
 and start bird, the bird will occur coredump issue. Does anyone know the reason?  Appreciated in advance.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>bird>show route filter {if format(net) = "0.0.0.0/0" then accept;}  //correct result<o:p></o:p></p>
<p class="MsoListParagraph">/* show route filter {if net = "0.0.0.0/0" then accept;}  // incorrect result  */<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>config-file:<o:p></o:p></p>
<p class="MsoNormal"><span lang="DE">              filter filter_bgp1{<o:p></o:p></span></p>
<p class="MsoNormal">                  if format(net) = "0.0.0.0/0" then accept;  // “format(net) = …” , bird coredump ???<o:p></o:p></p>
<p class="MsoNormal">                  /* if net = "0.0.0.0/0" then accept;  // “ net= …” ,  not bird coredump*/
<o:p></o:p></p>
<p class="MsoNormal">            }<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">          protocol  bgp bgp1 {<o:p></o:p></p>
<p class="MsoNormal">             ……<o:p></o:p></p>
<p class="MsoNormal">            ipv4 {<o:p></o:p></p>
<p class="MsoNormal">                  import all;<o:p></o:p></p>
<p class="MsoNormal">                  export filter filter_bgp1;<o:p></o:p></p>
<p class="MsoNormal">          };<o:p></o:p></p>
<p class="MsoNormal">          ……..<o:p></o:p></p>
<p class="MsoNormal">}<o:p></o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal">Arvin<o:p></o:p></p>
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