Shared Network

[mschober at nts-online.net]

> I am useing ISC 4.1.0 and i am tring to set up my dhcpd.conf file. I work
> for a IPTv provider and we are going to use it for our STB network. The
> STB will request an ip address from the dhcpd server via 10.5.0.0/24 but
> we want the STB to get 10.5.64.1-10.5.127.253 and we will be seting up 25
> netorks the same way. In our old dhcpd.conf file we set it up like the
> example below and it will work on this dhcp server in this is the only
> class, shared network and subnet set up on it. As soon as we add another
> network it will pull address from the first one. We change the class name
> on each network and match the allow statment in the ip pool to that class
> name. is there a limit to how many shared networks you can add on a conf.
> file? If anyone has a simular setup as we do can you send a example of how
> you did it. we have about 5000 STB's that will pull a lease from this
> server so if there is a better way of doing this please reply to this
> email.
>
>
> class "Occam_PineAcres_Video"
> {
>  match if (binary-to-ascii (10, 8, ".", packet(24,3)) = "10.5.0") and
> (suffix(option Agent.circuit-id, 1) = "6");
>  default-lease-time 43200;     # 12 hours
>  max-lease-time 43200;         # 12 hours
> }
>
>
> shared-network Occam
> {
>
> subnet 10.5.0.0 netmask 255.255.255.0
> {
> }
>
> ###Occam Pine Acres/video###
>
>  subnet 10.5.64.0 netmask 255.255.192.0 {
>
>  option broadcast-address 10.5.127.255;
>  option subnet-mask 255.255.192.0;
>  option routers 10.5.64.1;
>  option domain-name-servers 10.3.3.10,10.3.3.11;
>  option root-path "US/Central";
>  option time-servers 10.3.3.10;
>  option ntp-servers 10.3.3.10;
>  pool {
>  range 10.5.64.1 10.5.127.254;
>  allow members of "Occam_PineAcres_Video";
>  }
> }
>
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> dhcp-users at lists.isc.org
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>
We also run an IPTV system here in Lubbock.  We ran into some similar
problems with DHCP when we first set up.  I'll look through some of my
notes in the morning, and send you some config snippets and tips.

Milton Schober, Jr.
VP, Data Services
NTS Communications, Inc.