Do DHCP and DNS Servers Communicate?
In this video I explain how DHCP work and how it updates DNS entries for new hosts joining the network. I'll also mention Zero Config 0:00 Intro 1:00 the Network configuration 6:00 Showing DHCP in Wireshark 6:30 DHCP Discover 14:40 DHCP Offer 19:00 DHCP Request 21:30 DHCP ACK 22:00 How DHCP Updates DNS 26:15 Zero Configuration (mDNS, Link-local) Resources Dhcp https://datatracker.ietf.org/doc/html/rfc1541 Dynamic updates , dhcp RFC2136 https://datatracker.ietf.org/doc/html/rfc2136 https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr_dhcp/configuration/xe-3se/3850/dhcp-xe-3se-3850-book/dhcp-client-option-12.pdf RFC 1497 https://www.rfc-editor.org/rfc/rfc1497.html https://www.rfc-editor.org/rfc/rfc6762#ref-Zeroconf Link-local https://www.rfc-editor.org/rfc/rfc3927