B-25
User Guide for Cisco Network Registrar, 7.1
OL-16002-01
Appendices, Glossary, and Index
Appendix B DHCP Options
Option Tables
AT_TYPECNT
Type requiring two child definition: size of the type field, and type of
data—counted-type:
For the DHCPv4 dhcp-user-class-id option (77), the repeating pattern is:
[ len (1 byte) ] [ data, of single type ]
For the DHCPv6 user-class option (15), the repeating pattern is:
[ len (2 byte) ] [ data, of single type ]
AT_VENDOR_CLASS
Vendor-class option (enterprise ID followed by opaque data; if DHCPv4,
enterprise ID is followed by EID length)—vendor-class
AT_VENDOR_OPTS
Vendor-specific options data (enterprise ID followed by TLVs of
vendor-specific data; if DHCPv4, enterprise ID is followed by EID
length)—vendor-opts
AT_ZEROSIZE
32 bits of zero size (no longer used for PAD and END)
Table B-12
Validation Types (continued)
Validation
Description—Web UI Equivalent)
