DHCP Options

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DNS Server

Code

6

Length

Variable; minimum length of 4 octets; octet length increases in multiples of 4 for each DNS server address listed.

Value

Signed 32-bit integer representing the IP address of each assigned DNS server.

Description

Specifies a list of IP addresses for Domain Name System (DNS) name servers available to the client. When more than one server is assigned, the client interprets and uses the addresses in the specified order. DHCP client computers that are multihomed and can obtain multiple DHCP leases can have only one DNS server list per host computer, not per adapter interface, except for Windows 2000 clients.

Structure

Code Length Address 1 Address 2
6 n a1, a2, a3, a4 a1, a2, ...

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