System Administration Guide, Volume 3

Adding a Subnet to a Network Task Map

If you are changing from a network that does not use subnets to one that is subnetted, perform the the tasks in the following table:

Table 6-2 Adding a Subnet to a Network Task Map


Description	For Instructions, Go To ...
1. Decide on the new subnet topology, including considerations for routers and locations of hosts on the subnets.	"Adding Routers", "What Is Subnetting?", and "Network Classes".
2. Assign all subnet and host addresses.	"Setting Up an IP Addressing Scheme" and "Parts of the IPv4 Address".
3. Modify the `/etc/inet/netmasks` file, if you are manually configuring TCP/IP, or supply the netmask to the Solaris installation program.	"`netmasks` Database" and "Creating the Network Mask for IPv4 Addresses".
4. Modify the `/etc/inet/hosts` and `/etc/inet/ipnodes` files on all hosts to reflect the new host addresses.	"`hosts` Database" and "`ipnodes` Database".
5. Reboot all machines.