b09f51b5_HCP_Overview__Support____Cisco__DHCP_Option_Name
[DHCP Option Code] 46 [Description] Enables NetBIOS over TCP/IP clients that are configurable to be configured as described in RFC 1001/1002. [DHCP Option Name] 
NetBIOS over TCP/IP node type option
IP Addressing: DHCP Configuration Guide, Cisco IOS XE Release 3S (Cisco ASR 1000) - DHCP Overview [Support] - Cisco