Specify the host name you have selected, the new Net21 IP address assignment, the type of network device and the type of operating system. The host name and IP address are required. If the host exists and does not have an address on the old subnet, no changes are made. If the specified address is already in use by another host, no changes are made. If the specified hostname exists and has an address on the old subnet, the hostname is deleted from the database.
Some network devices have more than one host name.
An additional host name is called an alias name. Just like regular host names, an alias name must be unique in the ucdavis.edu domain. Some network devices require a special DNS record to assist with e-mail delivery to their host name. Both 'hostname' and 'exchanger' must be existing host names. In general, a host name should be about 8-12 characters long, without special characters.