setting static IP on linux PCs with no static IP address from internet provider?
I am connected to the internet via cable modem. I have a 4 port router plugged into the cable modem. I have 2 linux PCs connected to the the router. They are networked together and both have internet access. I would like to set static IP addresses on both linux boxes so that I do not have to change /etc/hosts when DHCP changes their IP.
question Is this possible set static IPs with the network I have? My cable modem is from Cablevision Optium online and does not have a static ip. Do I need a static IP address from the cable company to set static IPs on my linux boxes. ------------------------- linux box 1 ------------------------- computer os: centos 5.7 64-bit hostname: server.localdomain current ip eth0: 192.168.1.6 -> This changes alot, I would like to convert to static default gateway: 192.168.1.1 ------------------------- linux box 2 ------------------------- computer os: centos 5.7 64-bit hostname: laptop.localdomain current ip eth0: 192.168.1.4 -> This changes a lot , I would like to convert to static default gateway: 192.168.1.1 |
What you need to do is to check the IP range for DHCP in your cable modem. For example, if it's set to 192.168.1.2 -> 192.168.1.50 pick a couple of addresses outside the range. For example, 192.168.1.51 and 192.168.1.52. Configure your two PCs to use those static addresses, with the same netmask (for example, 255.255.255.0) and gateway.
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