DHCP

DHCP configuration items

• Address Pool (192.168.1.100-192.168.1.250/24)
• Reservation (IP address 192.168.1.105 <-> MAC address 005056C00008)
• Scope Options
  • 003 Router
  • 006 DNS Servers
  • 066 Boot Server Host Name
  • 067 Bootfile Name
• Server Options

Install DHCP

• Install-WindowsFeature -Name DHCP -IncludeManagementTools

Post-deployment Configuration

• Complete DHCP configuration
• Specify the credentials to be used to authorize this DHCP server in AD DS
• Commit

DHCP Failover (HA)

• Relationship Name: DHCPserver01<->DHCPserver02
• Maximum Client Lead Time: 1 hour (default)
• Mode: Load balance (default) 50% / 50%
• State Switchover Internal: 60 minutes (optional)
• Enable Message Authenication
  • Shared Secret: **********

DHCP Split-Scope (HA)

• Percentage of IP V4 Addresses: Host DHCP server 80% / Added DHCP server 20% (default)
• Delay in DHCP Offer (milli seconds): Host DHCP server 0 / Added DHCP server 0 (default)

DHCP in multiple VLANs

• DHCP servers (HA) are in server VLAN, and can provide DHCP service to multiple VLANs
• Network team may need to configure ip helper-address on switches