IP Networking

When you explicitly pass the address *and* netmask you are effectively dealing with class-less routing. The class only matters in the router or tools have to assume the netmask.

My internal net is 10.0.0.0/255.0.0.0, but I have that split into a number of 256 address subnets. The internet router is on 10.1.1.1/24 then I have static routes configured in the internet router for the other subnets to go via my internal netbsd gateway.

I not really understand what u mean but i can understand when ip addresss *and* with netmask.
How come i still cannot function properly with a correct settings ? can u check my configuration.


A billion thnaks for your help and merry christmas.

Dear Peter_APIIT,

I kindly suggest you should simplify your IP configuration.

First, your external gateway IP address and subnet mask is allocated by your ISP, so you can't change that (nor should you).

However, all your internal IP addresses our your 192.168 networks should have the same subnet mask.

I suggest you make them all 255.255.255.0 (/24) and keep it simple.

Are you willing to do this?

I willing to do so as lon as you all can provide me a solution.
Multiples interface cannot have same subnet mask. IS it true ? I have internal and wilress.
Thanks.

First, you need to correct your spelling if you are going to post here. Correct spelling is one of our rules. Why? So when people search using key words, they can actually get hits. Incorrectly spelled keywords to not match.

Second, you are incorrect in your understanding of subnet masks. There is no reason that muliple interfaces cannot have the same subnet mask.

For example, you should have your two internal interfaces as:

Code:

192.168.1.1 subnet mask 255.255.255.0 
192.168.2.1 subnet mask 255.255.255.0

Notice that the subnet masks are the same, only the network address changes.

Maybe you should pause and go buy a book on TCP/IP and learn the basics?

Late configuration :
/etc/hostname.rl1 : inet 176.16.10.2 255.255.255.0 NONE(Internal wired Interface)
/etc/hostname.ral0 : inet 192.168.2.2 255.255.255.0 NONE (Wireless)
/etc/dhcpd.conf :
subnet 176.16.10.0 netmask 255.255.255.0 option routers 176.16.10.1 range 176.16.10.10 176.16.10.12; (Wired)
subnet 192.168.2.0 netmask 255.255.255.0 option routers 192.168.2.1 range 192.168.2.3 192.168.2.3;
Ping 176.16.10.1 and 192.168.2.1 Host is down.
Desktop -> 176.16.10.1 Request time out
Laptop -> 192.168.2.1 Request time out Both laptop and desktop can get ip address from dhcpd server openbsd but cannot ping the gateway.
Thanks for your help.

I hope you all can help me out. I have borrow a book from library.
Routing Tables :
For the both wired and wireless interface, no G flags in the routing table. This seems that the interface is not act as gateway for my internal network.
How to solve this ? I need oyur help. Your help is really appreciated by me and others.