debug / undebug all
CautionDebugging on/off
debug ip ospf hello → undebug all
Live protocol debugging — CPU-heavy, so scope tightly and have 'u all' ready before you start.
Examples
undebug allKill all debugging
Syntax
debug <feature> ... / undebug all (= u all)
Before you run it
Can spike CPU; use sparingly in production.
Related commands
- show loggingShow logs (Cisco)
- show processes cpuCPU load
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