This is a real problem to me and I will be really grateful if I can solve the problem through this post.

My office needs to add more host devices to the Ethernet segment between Router_A and Router_B. But there are not enough free host addresses remaining in the current subnet address space (172.68.50.x) to meet the requirements.

In this case, how do I increase host addresses?

Thanks in advance to all. :)

Siddiquee

Recommended Answers

What other subnets do you have?

Jump to Post

You can either change the subnet mask for that subnet (between router a & b), or add a new subnet then add the new hosts to the new subnet.

There really is no other option.

Jump to Post

All 6 Replies

What other subnets do you have?

You can either change the subnet mask for that subnet (between router a & b), or add a new subnet then add the new hosts to the new subnet.

There really is no other option.

You can either change the subnet mask for that subnet (between router a & b), or add a new subnet then add the new hosts to the new subnet.

There really is no other option.

Thanks for your suggestion. Let me try this...
I will come back with the outcome.

You probably have a 172.68.50.0 255.255.255.0 subnet. Is that a correct assumption?

If it is, you can double your hosts by changing the subnet mask from 255.255.255.0 to 255.255.254.0. Then your network stays at 172.168.50.0, your hosts can use 172.68.50.1-172.68.51.254, and the broadcast becomes 172.168.50.255. Your default gateway on the .50 ip doesn't change, but you still need to edit the hosts so that they have the new subnet mask.

This of cource only works if you haven't assigned 172.68.51 anywhere else in your network. (without a lot of complex natting).

You probably have a 172.68.50.0 255.255.255.0 subnet. Is that a correct assumption?

If it is, you can double your hosts by changing the subnet mask from 255.255.255.0 to 255.255.254.0. Then your network stays at 172.168.50.0, your hosts can use 172.68.50.1-172.68.51.254, and the broadcast becomes 172.168.50.255. Your default gateway on the .50 ip doesn't change, but you still need to edit the hosts so that they have the new subnet mask.

This of cource only works if you haven't assigned 172.68.51 anywhere else in your network. (without a lot of complex natting).

Thanks very much for your kind post. It solves my problem.

You probably have a 172.68.50.0 255.255.255.0 subnet. Is that a correct assumption?

If it is, you can double your hosts by changing the subnet mask from 255.255.255.0 to 255.255.254.0. Then your network stays at 172.168.50.0, your hosts can use 172.68.50.1-172.68.51.254, and the broadcast becomes 172.168.50.255. Your default gateway on the .50 ip doesn't change, but you still need to edit the hosts so that they have the new subnet mask.

This of cource only works if you haven't assigned 172.68.51 anywhere else in your network. (without a lot of complex natting).

Every thing is Ok, but the broadcast address will be 172.168.51.255

Be a part of the DaniWeb community

We're a friendly, industry-focused community of 1.20 million developers, IT pros, digital marketers, and technology enthusiasts learning and sharing knowledge.