Perform this procedure to display vendor options data for DHCP Server.
show ip dhcp-server vendor-option-data
Display DHCP Server vendor option data information:
Switch:1#show ip dhcp-server vendor-option-data
================================================================================
DHCP Server Vendor Option Data
================================================================================
SCOPE CODE TYPE VALUE
--------------------------------------------------------------------------------
Global 1 string voss
Global 2 uint32 46
vendor-class-20 2 uint32 1337
--------------------------------------------------------------------------------
Total Number of DHCP Server custom-options displayed: 4
--------------------------------------------------------------------------------