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<p class="MsoNormal"><span style="font-size:11.0pt">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> In FRR 7.2, I am seeing interface command Failures as below. This is happening randomly. Once system goes in to this state, failure happens for all interfaces.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> Is this a known issue ? Is there any fix for this ?
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:8.0pt;font-family:"Courier New"">dut4(config)# interface Vlan2<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New";background:yellow;mso-highlight:yellow">% Configuration failed: validation error.</span><span style="font-size:8.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New";background:yellow;mso-highlight:yellow">Please check the logs for more details.</span><span style="font-size:8.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">dut4(config)# interface Ethernet0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">% Configuration failed: validation error.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">Please check the logs for more details.<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:8.0pt;font-family:"Courier New"">dut4(config)# interface Ethernet0<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New";background:yellow;mso-highlight:yellow">% Configuration failed: validation error.</span><span style="font-size:8.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New";background:yellow;mso-highlight:yellow">Please check the logs for more details.</span><span style="font-size:8.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">dut4(config)# interface Vlan2<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">% Configuration failed: validation error.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">Please check the logs for more details.<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:8.0pt;font-family:"Courier New"">dut4(config)#
</span></b><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Not much logs generated, except below.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Call to if_lookup_by_name_all_vrf(ifname) Fails leading to below error<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">root@dut4:/# tail -f /var/log/frr/myfrr.log<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">2020/01/06 04:21:37 ZEBRA: lib_interface_destroy: only inactive interfaces can be deleted<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">2020/01/06 04:21:37 ZEBRA: [EC 100663331] nb_callback_configuration: error processing configuration change: error [validation error] event [validate] operation [destroy] xpath [/frr-interface:lib/interface[name='Ethernet32'][vrf='default']]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">2020/01/06 04:21:37 ZEBRA: [EC 100663337] nb_candidate_commit_prepare: failed to validate candidate configuration<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">2020/01/06 04:22:24 ZEBRA: lib_interface_destroy: only inactive interfaces can be deleted<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">2020/01/06 04:22:24 ZEBRA: [EC 100663331] nb_callback_configuration: error processing configuration change: error [validation error] event [validate] operation [destroy] xpath [/frr-interface:lib/interface[name='Ethernet32'][vrf='default']]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">2020/01/06 04:22:24 ZEBRA: [EC 100663337] nb_candidate_commit_prepare: failed to validate candidate configuration<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Naveen<o:p></o:p></span></p>
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