Deploying Suse Linux Enterprise Server
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Configuring DNS and DHCP
- DNS Server
- Stepping Through the Wizard
- Configuring the DNS Server
- Adding Records to Zones
- Configuring a Secondary DNS Server
- DHCP Server
- Dynamic DNS
- DNS & DHCP Reference
Manually Assigning DHCP Addresses
Once you restart the DHCP Yast Module after you complete the wizard, most of the screens will be exactly the same as the ones with the Wizard (the only real difference is that the "Start-Up" tab allows you to enter Startup Arguments to the DHCP command). You also get 2 additional "tabs", Host Management and Expert Settings.
The Expert Settings tab, when enabled and saved will change the entire interface of the Yast DHCP Module. These changes will be covered in the next section.
The Host Management Screen allows you to manually assign the IP Address a specific computer or device gets "leased". This gives you the option of controlling IP Addresses on your network without having to manually enter them on every computer or device in your network.
DHCP Server: Host Management
A common practice for this is to manually assign IP Addresses to printers through DHCP, this ensures that the same IP Address is assigned to each printer without having to enter the IP Addresses using a proprietary, or hard to use tool provided by the manufacturer.
NOTE: When manually assigning IP Addresses, ensure that the IP Addresses you are assigning are not within the pool of addresses you are leasing out through the Dynamic DHCP screen. If they are, the IP may already be leased to another device and you will have network problems if 2 devices have the same IP Address.
To manually assign a IP Address, you must first get a list of the MAC Addresses (Ethernet based networks) for all of your Network cards or devices you want to configure. There are quite a few tools available to do this for you. These include:
Once you acquire all of the MAC Addresses, simply enter them into the Host Management screen, along with the computer name and relevant IP Address you want to set and click add. Once you complete this, the next time the computer obtains an IP Address from the DHCP Server, it will be leased the one you specified.
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