Tracing Layer 2 Circuit Creation and Changes

To trace the creation of and changes to Layer 2 circuits, you can specify options in the traceoptions statement:




traceoptions {
file filename <files number> <size size> <world-readable |
no-world-readable>;
flag flag <flag-modifier> <disable>;
}

You can include the traceoptions statement at the following hierarchy levels:

The following tracing flags display the operations associated with Layer 2 circuits:

connections—Layer 2 circuit connections (events and state changes)
error—Error conditions
FEC—Layer 2 circuit advertisements received or sent using LDP
topology—Layer 2 circuit topology changes caused by reconfiguration or advertisements received from other PE routers