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ISC Server 341
Sample DHCP Configuration File (continued)
subnet 10.10.21.0 netmask 255.255.255.0
{
The previous two lines begin the definition of the subnetwork parameters
for the branch office. First the subnet address is defined, followed by the
subnetwork mask.
CHANGE FOR EACH BRANCH: The subnet IP address must be changed
to match the branch office subnetwork. Branch offices must use unique
subnetworks so that the DHCP server can identify DHCP the branch office
from which a request is coming. The netmask may also need to be
changed if the branch office uses a different mask. However, this is less
likely.
# Pool of addresses for BRANCH CALLP
pool{
allow members of "BRANCH_CALLP";
option routers 10.10.21.254;
The previous line defines the IP address for the network router in the
branch office. Typically, router addresses end in either 1 or 254.
CHANGE FOR EACH BRANCH: The router IP address must conform to
the network parameters of the branch office and each branch office must
use a unique subnetwork address.
max-lease-time 2147483648;
min-lease-time 2147483648;
default-lease-time 2147483648;
VCX servers 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.
option broadcast-address 10.10.21.255;
The previous line defines the broadcast address for the branch office
network.
CHANGE FOR EACH BRANCH: The broadcast IP address must conform
to the network parameters of the branch office and each branch office
must use a unique subnetwork address.