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TCP/IP
IV - 13
Section IV - TCP/IP
OKI OkiLAN 6010e User’s Guide
DHCP offers dynamic IP address allocation. When a
client receives an IP address, it also receives a lease (an
amount of time the host may use the address). The lease
times vary from 1 hour to 100 years, or may be infinite.
When the lease expires, the host must stop using the
address. DHCP may also be used like BOOTP, with a
certain IP address always assigned to a certain device.
Depending on the server, both methods may be used at
the same time.
If the OkiLAN 6010e does not find a DHCP server after
two minutes, it will timeout and assume a default
address of 198.102.102.254. This follows current
BOOTP and RARP behavior.
If the OkiLAN 6010e receives multiple responses, it
will choose the first one.
When the OkiLAN 6010e receives an address, it sends
an ARP message once every second for five seconds on
the offered address to determine if another device is
using it. If the OkiLAN 6010e finds another device is
using the address, it will refuse the address and start
looking for a new address.