07-01-2009 06:19 AM - edited 07-01-2009 06:23 AM
Hello, I have a 4 (but may add more) servers that have a production nic and connected to a production vlan. These 4 servers also need to talk to each other but not on the production nic.
We created a vlan spesefic for this communication and assign the servers a private IP block.
My question is if the private IP block is only used between these 4 servers on a vlan dedicated only for use for these 4 servers. With no router involved. Can i use the network IP and the broadcast IP when assigning the ips to the servers?
so a 10.131.112.144/29
can i use all the IPs for servers?
or do i still need to leave the 144 and the 151 unassigned.
07-01-2009 11:46 AM
07-11-2009 06:59 PM
I would think that if your servers were able to treat the network and broadcast addresses within a subnet as hosts, then they would not be in compliance and would have a faulty TCP/IP stack. I would definitely not attempt to do use that. If you need more addresses then you would be better off giving a large netmask.
07-14-2009 02:07 PM
I am not even sure that you will be able to assign the network and broadcast addresses from an IP range as valid IP addresses on any OS.
Simply put, both the network and broadcast addresses are unusable IP's. They are reserved and cannot be used as valid addresses. The previous suggestions of expanding your subnet to include more addresses is the right solution.
Hope this helps.