Specifications

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Catalyst 4500 Se ries S wit ch C is co IO S C om mand R efer ence —Re lease I OS XE 3 .3.0 XO(1 5.1 (1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show udld
Command Description
udld (global configuration mode) Enables aggressive or normal mode in the UDLD protocol and
sets the configurable message timer time.
udld (interface configuration mode) Enables UDLD on an individual interface or prevents a
fiber interface from being enabled by the udld (global
configuration mode) command.