IBM Bridge/ Heritage, User Manual

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8-16
DHCP Server Operation
option arp-cache-timeout
uint3
2;
This option specifies the timeout in seconds for ARP cache entries
option ieee802-3-encapsulation
fla
g;
This option specifies whether or not the client should use Ethernet
Version 2 (RFC 894) or IEEE 802.3 (RFC 1042) encapsulation if the
interface is an Ethernet. A value of 0 indicates that the client should
use RFC 894 encapsulation. A value of 1 means that the client should
use RFC 1042 encapsulation.
option default-tcp-ttl
uint
8;
This option specifies the default TTL that the client should use when
sending TCP segments. The minimum value is 1.
option tcp-keepalive-interval
uint3 2;
This option specifies the interval (in seconds) that the client TCP
should wait before sending a keep-alive message on a TCP connection.
The time is specified as a 32-bit unsigned integer. A value of zero
indicates that the client should not generate keep-alive messages on
connections unless specifically requested by an application.
option tcp-keepalive-garbage
fla g;
This option specifies the whether or not the client should send TCP
keep-alive messages with a octet of garbage for compatibility with
older implementations. A value of 0 indicates that a garbage octet
should not be sent. A value of 1 indicates that a garbage octet should
be sent.
option nis-domain
strin
g;
This option specifies the name of the client’s NIS (Sun Network
Information Services) domain. The domain is formatted as a character
string consisting of characters from the NVT ASCII character set.
option nis-servers
ip-address [, ip-address ...
];
This option specifies a list of IP addresses indicating NIS servers
available to the client. Servers should be listed in order of preference.
option ntp-servers
ip-address [, ip-address ... ];
This option specifies a list of IP addresses indicating NTP (RFC 1035)
servers available to the client. Servers should be listed in order of