Track Error Conditions

This chapter describes how to configure routing protocol daemon tracing, Border Gateway Protocol (BGP), Intermediate System-to-Intermediate System (IS-IS) protocol, and Open Shortest Path First (OSPF) protocol tracing to diagnose error conditions. (See Table 52.)

Table 52: Checklist for Tracking Error Conditions

Track Error Conditions Tasks	Command or Action
Configure Routing Protocol Process Tracing
Configure Routing Protocol Process Tracing	[edit] edit routing-options traceoptions set file filename size size files number show commit run show log filename
Configure Routing Protocol Tracing for a Specific Routing Protocol	[edit] edit protocol protocol-name traceoptions set file filename size size files number show commit run show log filename
Monitor Trace File Messages Written in Near-Real Time	monitor start filename
Stop Trace File Monitoring	monitor stop filename
Configure BGP-Specific Options
Display Detailed BGP Protocol Information	[edit] edit protocol bgp traceoptions set flag update detail show commit run show log filename
Display Sent or Received BGP Packets	[edit] edit protocol bgp traceoptions set flag update (send | receive) show commit run show log filename
Diagnose BGP Session Establishment Problems	[edit] edit protocol bgp set traceoptions flag open detail show commit run show log filename
Configure IS-IS-Specific Options
Display Detailed IS-IS Protocol Information	[edit] edit protocol isis traceoptions set flag hello detail show commit run show log filename
Display Sent or Received IS-IS Protocol Packets	[edit] edit protocols isis traceoptions set flag hello (send | receive) show commit run show log filename
Analyze IS-IS-Link State Packets in Detail	[edit] edit protocols isis traceoptions set flag lsp detail show commit run show log filename
Configure OSPF-Specific Options
Diagnose OSPF Session Establishment Problems	[edit] edit protocols ospf traceoptions set flag hello detail show commit run show log filename
Analyze OSPF Link-State Advertisement Packets in Detail	[edit] edit protocols ospf traceoptions set flag lsa update detail show commit run show log filename