Update handling of DHCP options content #2
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Signed-off-by: Rob Gill <rrobgill@protonmail.com>
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Update handling of DHCP options content
to reflect current usage from iana Dynamic Host Configuration Protocol (DHCP) and Bootstrap Protocol (BOOTP) Parameters
https://www.iana.org/assignments/bootp-dhcp-parameters/bootp-dhcp-parameters.xhtml
Options returning a single IP:
118 Subnet selection option (rfc3011)
Options returning text strings
100 PCode and 101-TCode (rfc4833)
114 Captive Portal (rfc8910)
147 DOTS Reference Identifier (rfc8973)
Options returning a time in seconds
91 Client last transaction time (rfc4388)
108 IPV6 Only Preferred (rfc8925)
152 base time, 153 start-time-of-state, 154-query start
time and 155 query end time (rfc6929)
211 reboot time (rfc5071)
Options returning one or more IPs:
3 Routers (rfc2132)
79 Directory Agent (rfc2610)
92 Associated-ip (rfc4388)
148 DOTS Address (rfc8973)
150 TFTP Server IP address (rfc5859)
162 Encrypted DNS Server (rfc-ietf-add-dnr-16)
Option returning 8 bit integer
145 FORCERENEW_NONCE_CAPABLE (rfc6704)
Options returning potentially opaque data
60 Class identifier (rfc2132)
77 User class (rfc3004)