Actually it sounded to me like he was referering to dynamic DNS which
the dhcpd server *can* do. T'aint easy though. ;-)
That's just it -- there isn't any interaction unless something else adds
it. This is the case for NetBIOS as well, it is a naming/browsing system
which works in isolation from DHCP. It would behave the same if you
manually assigned addresses or ran an auto-negotiating protocol like IPX
or AppleTalk.
There are solutions to put DHCP assignments into DNS, ranging from
simple bash scripts to full-on products; back in the mid-90s a firm
called American Internet Company sold a product called DNS Registrar
which did this and integrated with an NT Domain or LDAP user directory
too. Cisco bought them and I believe the product has the same name. It's
expensive.
If you really care, the best solution is to edit DHCP's config and tell
it to always assign the same IP to a given MAC address; then you put
that IP into DNS and call it a day.
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