Build and decode DHCP default gateway configuration with support for multiple gateways and subnet validation

Build and decode DNS server and domain name options for complete DNS configuration

Build and decode lease time option with automatic T1/T2 renewal timer calculations

Generate DHCP Option 43 for wireless controller discovery (Cisco, Aruba, Ruckus, UniFi)

Build vendor class identifiers for DHCP class-based policies (ISC, Kea, Windows, dnsmasq, MikroTik)

Build and decode DHCPv4 Client Identifier: hardware type + MAC address or arbitrary opaque data per RFC 2132

Construct and parse DHCP Relay Agent Information with Circuit-ID, Remote-ID, and VLAN formats

Encode and decode Domain Search List (RFC 3397/6731) to/from RFC 1035 wire format with domain compression

Encode and decode Classless Static Routes (RFC 3442 / MSFT 249) with bit-packed network prefixes for routing configuration

Configure TFTP servers for PXE boot and Cisco IP phones with Option 150 (TFTP list), Option 66 (server name), and Option 67 (bootfile)

Generate PXE boot profiles with automatic UEFI/BIOS detection using Options 93/94 for architecture-aware bootfile selection

Build custom DHCP options using Type-Length-Value encoding with support for IPv4, IPv6, FQDN, strings, hex data, and numeric types

Configure DNS servers (Option 23) and search domains (Option 24) for DHCPv6 clients per RFC 3646

Build DHCPv6 IA_PD options for delegating IPv6 prefixes to requesting routers with IA Prefix options per RFC 8415

Configure Client FQDN Option for DHCPv6 dynamic DNS updates with S, O, and N flags per RFC 4704

Generate DHCP Unique Identifiers (DUID) for DHCPv6 clients: DUID-LLT, DUID-EN, DUID-LL, and DUID-UUID per RFC 8415

Calculate Identity Association Identifier (IAID) for DHCPv6 interfaces from index, name, or MAC address with OS-specific conventions

Calculate optimal DHCP lease times based on pool size, client count, and turnover rate with T1/T2 renewal timers

Identify devices by their DHCP fingerprints using Parameter Request List (Option 55) and Vendor Class patterns

Generate complete subnet configurations for ISC dhcpd and Kea DHCP servers with pools, options, and reservations