DHCP Options

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Subnet Mask

Code

1

Length

Fixed, 4 octets.

Value

Signed 32-bit integer representing the subnet mask for an IP address provided in a DHCP message.

Description

Specifies the subnet mask of the client subnet, as described in RFC 950, "Internet Standard Subnetting Procedure." The value for this option type is taken from the Subnet Mask field, as defined in the DHCP scope Properties dialog box in DHCP Manager.

Structure

Code Length Subnet Mask
1 4 m1, m2, m3, m4

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