Cisco Catalyst 4500 Series Configuration Manual page 228

debug udld
Related Commands Command
undebug udld (same as no debug udld)
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
2-190
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
Description
Disables debugging output.
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