Yes, you can configure DHCP to ignore these requests.
Place the deny/allow ras-servera
s option statement in the configuration file at the global level, or place it in a shared-network
or subnet
statement. The statement applies to the scope (global or subnet, etc.) of the file in which it is placed. The default is allow ras-servers
.
Yes, using the "generic tag". Use the generic tag to specify RFC vendor fields as specified in RFC 1084. The syntax of the generic tags is Tn
where n is the vendor field tag number. The number for the WINS server is 44 and the value of the field should be the IP address in hexadecimal notation. For example, if the IP address of the WINS server was 192.168.1.1 then the following tag would be used:
T44="0xc0a80101"