Technical data

Configuring the DHCP Server
7.7 Configuring DHCP Manually
Table 7–8 (Cont.) BOOTP/DHCP Configuration File Symbols
Symbol Function Value Format Description
ds DNS servers IP address list Specifies a list of Domain Name
System (RFC 1035) name servers
available to the client. Enter servers
in order of preference.
ec Ethernet
encapsulation
0 or 1 Specifies whether the client should
use Ethernet Version 2 (RFC
894) or IEEE 802.3 (RFC 1042)
encapsulation if the interface is an
Ethernet. The switch values are:
• 0 - Use RFC 894 encapsulation
• 1 - Use RFC 1042 encapsulation
ef Extensions path ASCII string Specifies a file, retrievable through
TFTP, that contains information that
can be interpreted in the same way
as the 64-octet vendor-extension field
in the BOOTP response. The length
of the file is unconstrained.
fi Finger servers IP address list Specifies a list of finger servers
available to the client. Servers
should be listed in order of
preference.
fn Forward nonlocal
datagarams
0 or 1 Specifies whether the client should
configure its IP layer to allow
forwarding of datagrams with
nonlocal source routes.
gw Gateway address
list
IP address list Specifies a list of the IP addresses
of gateways for the specified subnet.
This list consists of the default
routes.
ha Client’s hardware
address
ASCII string Specifies whether host names can be
assigned by the hardware address. If
so specified, the client host, provided
it remains in the same domain,
retains the same name, even if its IP
address changes.
hn Host name Boolean Specifies that the DHCP server
should write the client’s host name
to the vend field of the DHCP reply
packet and send the packet to the
client. Can appear only in the format
hn: or hn@:.
ho Host name ASCII string Specifies the name of the client. The
name may or may not be qualified
with the local domain name.
ht Client’s hardware
type
ASCII string or
ASCII integer
Specifies the hardware type code as
assigned in the ARP section of RFC
1340, Assigned Numbers.
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Configuring the DHCP Server 7–55