DHCP configuration

DHCP server

The DHCP-Server role, including management tools, was installed on DC. The DHCP security groups were then created and the service was checked.

Install-WindowsFeature -Name DHCP -IncludeManagementTools
netsh dhcp add securitygroups
Restart-Service DHCPServer
Get-Service -Name DHCPServer

Address scopes

The Bereich 1 scope was created for 192.168.1.0/24:

• Address range: 192.168.1.50 to 192.168.1.120
• Exclusion range: 192.168.1.80 to 192.168.1.90
• Lease duration: 7 days

Bereich 2 for 192.168.2.0/24 and the active multicast scope 224.1.1.1 to 224.1.1.9 were also created.

Scope options

Router, DNS server and DNS domain options were configured for Bereich 1.

Set-DhcpServerv4OptionValue `
-ScopeId 192.168.1.0 `
-Router 192.168.1.1 `
-DnsServer 192.168.1.3 `
-DnsDomain "gfnlab.test" `
-Force

Get-DhcpServerv4OptionValue -ScopeId 192.168.1.0 |
Where-Object OptionId -in 3,6,15 |
Select-Object OptionId, Name, Value

Reservation for W11

A reservation for the Windows 11 client was created using MAC address 00-15-5D-22-77-17 and IP address 192.168.1.70.

Add-DhcpServerv4Reservation `
-ScopeId 192.168.1.0 `
-IPAddress 192.168.1.70 `
-ClientId "00-15-5D-22-77-17" `
-Name "W11"

After renewing its DHCP configuration, the client received the reserved address together with the configured default gateway, DNS server and DNS suffix.

ipconfig /release
ipconfig /renew
ipconfig /all