Tracing EVPN Traffic and Operations

The file option includes the following sub-options:

• filename—Specify the name of the file to receive the output of the tracing operation. Enclose the name within quotation marks. All files are placed in the directory /var/log.

• files number—(Optional) Maximum number of trace files. When a trace file named trace-file reaches its maximum size, it is renamed trace-file.0, then trace-file.1, and so on, until the specified maximum number of trace files specified is reached. Then the oldest trace file is overwritten.

• size size—(Optional) Maximum size of each trace file. When a trace file named trace-file reaches its maximum size, it is renamed trace-file.0, then trace-file.1, and so on, until the maximum number of trace files is reached. Then the oldest trace file is overwritten.

• world-readable | no-world-readable—(Optional) Enable unrestricted file access or restrict file access to the user who created the file.

The flag option allows you to specify the scope of the trace by including one of the following sub-options:

• all—All EVPN tracing options

  error—Error conditions

• general—General events

• mac-database—MAC route database in the EVPN routing instance

• nlri—EVPN advertisements received or sent by means of the BGP

• normal—Normal events

• oam—OAM messages

• policy—Policy processing

• route—Routing information

• state—State transitions

• task—Routing protocol task processing

• timer—Routing protocol timer processing

• topology—EVPN topology changes caused by reconfiguration or advertisements received from other PE routers using BGP

You can also specify one of the following modifiers for any of the traceoptions flags:

• detail—Provide detailed trace information.

• disable—Disable this trace flag.

• receive—Trace received packets.

• send—Trace sent packets.