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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">I’m running 3.0-rc2 and appear to have found a bug in the IPv6 multihop BGP code.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">The box is configured to peer with a 3<sup>rd</sup> party ASR9000 and can’t seem to keep the session up. It will download ~30,000 routes then reset the session with the following
errors in the logs.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Sep 27 19:19:45 ord-285eec43a74305dd bgpd[16943]: bgp_mp_reach_parse: (2001:XX00:100::30:XXX) Failed to read NLRI<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Sep 27 19:19:45 ord-285eec43a74305dd bgpd[16943]: %NOTIFICATION: sent to neighbor 2001:XX00:100::30:XXX 3/1 (UPDATE Message Error/Malformed Attribute List) 0 bytes<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Sep 27 19:19:45 ord-285eec43a74305dd bgpd[16943]: 2001:XX00:100::30:XXX: Attribute MP_REACH_NLRI, parse error<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Sep 27 19:19:45 ord-285eec43a74305dd bgpd[16943]: %ADJCHANGE: neighbor 2001:XX00:100::30:XXX(Unknown) in vrf Default Down BGP Notification send<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Sep 27 19:19:47 ord-285eec43a74305dd bgpd[16943]: 2001:XX00:100::30:XXX Vendor specific capability 131<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Sep 27 19:19:47 ord-285eec43a74305dd bgpd[16943]: %ADJCHANGE: neighbor 2001:XX00:100::30:XXX(Unknown) in vrf Default Up<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Sep 27 19:19:49 ord-285eec43a74305dd bgpd[16943]: bgp_mp_reach_parse: (2001:XX00:100::30:XXX) Failed to read NLRI<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Sep 27 19:19:49 ord-285eec43a74305dd bgpd[16943]: %NOTIFICATION: sent to neighbor 2001:XX00:100::30:XXX 3/1 (UPDATE Message Error/Malformed Attribute List) 0 bytes<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Sep 27 19:19:49 ord-285eec43a74305dd bgpd[16943]: 2001:XX00:100::30:XXX: Attribute MP_REACH_NLRI, parse error<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Sep 27 19:19:49 ord-285eec43a74305dd bgpd[16943]: %ADJCHANGE: neighbor 2001:XX00:100::30:XXX(Unknown) in vrf Default Down BGP Notification send<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">A single hop BGP session seems to work fine, it is just the multihop sessions which won’t stay up. Any suggestions?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:black">Kind Regards,<br>
<br>
David Hooton<br>
Founder | Ordnance<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:black">Cloud Scale, Carrier Grade<br>
P: <a href="tel:+61415850000"><span style="color:#0563C1">+61415850000</span></a> T: @dave_hooton W: ordnance.co<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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