Multiple subnets on one Interface

Steve Clark sclark at netwolves.com
Mon Jan 27 19:21:24 UTC 2014


Hello List,

if I have something like in the dhcpd.conf file below and on my
interface I have:

6: eth4: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000
     link/ether 00:90:0b:2b:d8:96 brd ff:ff:ff:ff:ff:ff
     inet 10.129.10.1/24 scope global eth4
     inet 10.129.11.1/24 scope global eth4

#dhcpd.conf
         authoritative;
         ddns-update-style interim;
         shared-network DHCP{
                 subnet 10.129.11.0 netmask 255.255.255.0 {
                 range 10.129.11.20 10.129.11.30;
                 option domain-name-servers 8.8.8.8, 8.8.4.4;
                 option routers 10.129.11.1;
                 option subnet-mask 255.255.255.0;
                 option broadcast-address 10.129.11.255;
                 default-lease-time 86400;
                 max-lease-time 86400;
                 deny bootp;
                 }
                 subnet 10.129.10.0 netmask 255.255.255.0 {
                 range 10.129.10.20 10.129.10.30;
                 option domain-name-servers 8.8.8.8, 8.8.4.4;
                 option routers 10.129.10.1;
                 option subnet-mask 255.255.255.0;
                 option broadcast-address 10.129.10.255;
                 default-lease-time 86400;
                 max-lease-time 86400;
                 deny bootp;
         }
}

How will dhcpd give out ips? Will it alternate? Give all of one subnet then start the other
subnet?

Thanks in advance,



-- 
Stephen Clark
*NetWolves*
Director of Technology
Phone: 813-579-3200
Fax: 813-882-0209
Email: steve.clark at netwolves.com
http://www.netwolves.com
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