CentOS dhcp服务器 支持 多VlanIP网段 配置

ddns-update-style interim;
ignore client-updates;

subnet 10.1.1.0 netmask 255.255.255.0 {

# --- default gateway
        option routers                  10.1.1.1;
        option subnet-mask              255.255.255.0;

#       option nis-domain               "domain.org";
#       option domain-name              "domain.org";
        option domain-name-servers      202.106.0.20;

        option time-offset              -18000; # Eastern Standard Time

        range dynamic-bootp 10.1.1.125 10.1.1.126;
        default-lease-time 21600;
        max-lease-time 43200;
}

subnet 10.1.100.0 netmask 255.255.255.0 {

# --- default gateway
        option routers                  10.1.100.1;
        option subnet-mask              255.255.255.0;

#       option nis-domain               "domain.org";
        option domain-name              "automuseum.gov.cn";
        option domain-name-servers      202.106.0.20;

        option time-offset              -18000; # Eastern Standard Time

        range dynamic-bootp 10.1.100.20 10.1.100.254;
        default-lease-time 21600;
        max-lease-time 43200;
}
subnet 10.1.50.0 netmask 255.255.255.0 {
# --- default gateway
        option routers                  10.1.50.1;
        option subnet-mask              255.255.255.0;

#       option nis-domain               "domain.org";
        option domain-name              "automuseum.gov.cn";
        option domain-name-servers      202.106.0.20;

        option time-offset              -18000; # Eastern Standard Time

        range dynamic-bootp 10.1.50.20 10.1.50.254;
        default-lease-time 21600;
        max-lease-time 43200;
}

注：10.1.1.0是dhcp server所在的网段，但我并不需要dhcp服务，可是不加这一条，dhcp就启动失败，不知道是什么原因？不过以上的测试确实成功了！