Which DHCP code range carries vendor-specific options in a private network?

Vendor-specific options in a DHCP (Dynamic Host Configuration Protocol) context refer to the custom configurations or extensions that are relevant to specific vendors or devices within a network. The correct code range for these vendor-specific options is from 128 to 255. This range allows network administrators to include options that are tailored for particular devices or services that may not be covered by standard DHCP options.

Using this range ensures that there is a clear delineation between standard options (which occupy codes 0 to 127) and vendor-specific extensions, making it easier to implement and manage these unique configurations without interfering with the basic DHCP protocol options. This is crucial in maintaining the integrity of the network's configuration and ensuring that devices can be appropriately addressed and managed.

The other ranges mentioned do not pertain to vendor-specific options. The standard options range provides essential network parameters, while the ranges beyond that typically relate to other reserved codes or extensions that fall outside the vendor-specific functionality. By allocating the vendor-specific options to the designated range, DHCP can support a wider variety of device types and enhance overall network performance and compatibility.