[mdlug] Network routing and subnetting?

[Mathew Enders]

Sorry that is a cut and paste error

On Tue, 2008-01-08 at 23:43 -0500, Michael ORourke wrote:
> Mat,
> 
> Are you using IPv4?
> It looks like your adresses have 5 octets...
> e.g. 10.0.0.0.1 should be only 4 octets 10.0.0.1
> or is that just a typo?
> 
> -Mike
> 
> -----Original Message-----
> >From: Mathew Enders <mathew.enders at prodigy.net>
> >Sent: Jan 8, 2008 11:37 PM
> >To: MDLUG's Main discussion list <mdlug at mdlug.org>
> >Subject: Re: [mdlug] Network routing and subnetting?
> >
> >On Tue, 2008-01-08 at 13:45 -0500, Michael ORourke wrote:
> >> In the "current" setup, are they doing NAT?  Sounds like you need to add 
> >> some static routes.
> >> Something along the lines of:
> >> network 10.0.1.0  255.255.255.0 go to 10.0.0.215
> >> network 10.0.2.0  255.255.255.0 go to 10.0.0.223
> >> I would guess that you have an Internet Router somewhere in the mix on the 
> >> 10.0.0.x, perhaps with a private IP of 10.0.0.1/24.  And the default routes 
> >> of the boxes on that net are set to 10.0.0.1, or the equivalent.  So anytime 
> >> something tries to connect to say a box on 10.0.0.10 from the 10.0.1.0 net 
> >> (or 10.0.2.0 network), the return packets would be sent to the Internet 
> >> router (10.0.0.1 for example).
> >> 
> >> -Mike
> >> 
> >Mike I am not sure I understand what you are saying.  Iam attaching a
> >copy of the dhcp.conf file the section of addresses blocked out for
> >wireless is 10.0.0.200 - 10.0.0.253 for the proposed solution they are
> >currently not being used by anything.
> >
> >#
> ># Sample configuration file for ISC dhcpd for Debian
> >#
> ># $Id: dhcpd.conf,v 1.1.1.1 2002/05/21 00:07:44 peloy Exp $
> >#
> >
> >ddns-update-style none;
> >ignore client-updates;
> >
> ># Network Declaratioon
> >#
> ># The range of IP addresses the server
> ># will issue to DHCP enabled PC clients
> ># booting up on the network
> >#
> ># Set the default gateway to be used by
> ># the PC clients
> >
> >subnet 10.0.0.0.0 netmask 255.255.255.0 {
> >	range 10.0.0.0.1 10.0.0.0.48;
> >	range 10.0.0.0.50 10.0.0.0.100;
> >	range 10.0.0.0.124 10.0.0.0.141;
> >	range 10.0.0.0.152 10.0.0.0.199;
> >	option routers 10.0.0.0.254;
> >}
> >
> ># Set the amount of time in seconds that
> ># a client may keep the IP address
> >
> >default-lease-time 3600;
> >max-lease-time 7200;
> >
> ># Don't forward DHCP requests from this
> ># NIC interface to any other NIC
> ># interfaces
> >
> >option ip-forwarding off;
> >
> ># Set the broadcast address and subnet mask
> ># to be used by the DHCP clients
> >
> >option broadcast-address 10.0.0.0.255;
> >option subnet-mask 255.255.255.0;
> >
> ># Set the DNS server to be used by the
> ># DHCP clients
> >
> >option domain-name-servers 68.94.156.1, 68.94.157.1;
> >
> ># Set the NTP server to be used by the
> ># DHCP clients
> >
> >#option nntp-server 000.000.000.000;
> >
> ># If you specify a WINS server for your Windows clients,
> ># you need to include the following option in the dhcpd.conf file:
> >
> >#option netbios-name-servers 000.000.000.000;
> >
> ># You can also assign specific IP addresses based on the clients'
> ># ethernet MAC address as follows Host's name is "unique-name":
> >
> >host comp-lab-printer {
> >	hardware ethernet 00:04:00:f0:c1:eb;
> >	fixed-address 10.0.0.0.49;
> > }
> >host ARDVARC {
> >	hardware ethernet 00:16:17:b2:62:e9;
> >	fixed-address 10.0.0.0.101;
> > }
> >host BOSS-dansguardian {
> >	hardware ethernet 00:0c:6e:27:0c:ef;
> >	fixed-address 10.0.0.0.115;
> > }
> >host BOSS-dhcp-webmin-ssh {
> >	hardware ethernet 00:10:5a:07:09:c2;
> >	fixed-address 10.0.0.0.123;
> > }
> >host level-3-printer {
> >	hardware ethernet 08:00:37:72:42:00;
> >	fixed-address 10.0.0.0.144;
> > }
> >host netopia-gateway {
> >	hardware ethernet 00:0f:cc:17:9f:54;
> >	fixed-address 10.0.0.0.254;
> > }
> >
> >#
> ># List an unused interface here
> >#
> >#subnet 192.168.2.0 netmask 255.255.255.0 {
> >#}
> >
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