2.2.8 DHCP Failover Option 37 (0x25) – Client NAP Status Option
The Client NAP Status option is used to convey the health status of the DHCPv4 client in the lease update, as validated by the NAP server.
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OptionCode |
OptionLength |
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OptionCode (2 bytes): This field MUST be set to 37 (0x25).
OptionLength (2 bytes): This field MUST be set to 0x04.
OptionValue (1 byte): This field contains the health status of the DHCPv4 client, as validated by the NAP server, and MUST be set to one of the following values: NOQUARANTINE, RESTRICTEDACCESS, DROPPACKET, and PROBATION. For more information about these NAP state values, see [MS-DHCPM]:
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Value
Meaning
NOQUARANTINE
The DHCP client is compliant with the health policies defined by the administrator and has normal access to the network.
RESTRICTEDACCESS
The DHCP client is not compliant with the health policies defined by the administrator and is being quarantined with restricted access to the network.
DROPPACKET
The DHCP client is not compliant with the health policies defined by the administrator and is being denied access to the network. The DHCP server does not grant an IP address lease to this client.
PROBATION
The DHCP client is not compliant with the health policies defined by the administrator and is being granted normal access to the network for a limited time.