3Com VCX V7000, Installation Manual

Page: 396 / 488

394 A
PPENDIX
B: A
UTOMATED
B
RANCH
O
FFICE
I
NSTALLATION
Sample DHCP Configuration File (continued)
option tftp-server-name "10.10.2.10";
The previous line defines the IP address of the TFTP server that is located
in the regional office with which the branch office is associated. This
server supplies the configuration file for the VCX server.
CHANGE FOR EACH BRANCH: Change this IP address only if you want a
branch office VCX server to use a different TFTP server.
option domain-name-servers 10.10.2.30, 10.10.2.31;
The previous line defines the IP address of one or more Domain Name
Service (DNS) Servers. In this sample configuration file, the DNS servers
are located in the regional office with which the branch office is
associated. In this sample file, this same option statement is included in
the global section. You might choose to also include it in each branch
office section in order to specify different DNS servers for individual
branch offices. To use the same DNS servers for all branch offices,
eliminate this line from the branch office sections of your dhcpd.conf file.
CHANGE FOR EACH BRANCH: Change this IP address only if you want a
branch office VCX server to use different DNS servers.
range 10.10.21.5;
}
The previous line defines the range of IP addresses that can be allocated
to the branch office server. A range statement can contain both a lower
and an upper IP address. In this sample, only the lower IP address is
defined because the VCX server uses a fixed address.
CHANGE FOR EACH BRANCH: Change this IP address to match the
network parameters of the branch office.
#Define a pool of one address for the PSTN GATEWAY.
pool
{
allow members of "GATEWAY";
The previous three lines begin the definition of a pool to contain one IP
address for the PSTN gateway.
max-lease-time 2147483648;
min-lease-time 2147483648;
default-lease-time 2147483648;
PSTN Gateways in branch offices require DHCP leases that will not expire.
Use the parameters shown in the previous three lines to configure all
lease-related parameters to the maximum value.