Difference between revisions of "DHCP"

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(DHCP in multiple VLANs)
 
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== DHCP configuration items ==
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* Address Pool (192.168.1.100-192.168.1.250/24)
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* Reservation (IP address 192.168.1.105 <-> MAC address 005056C00008)
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* Scope Options
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** 003 Router
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** 006 DNS Servers
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** 066 Boot Server Host Name
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** 067 Bootfile Name
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* Server Options
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== Install DHCP ==
 
== Install DHCP ==
 
* Install-WindowsFeature -Name DHCP -IncludeManagementTools
 
* Install-WindowsFeature -Name DHCP -IncludeManagementTools
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* Commit
 
* Commit
  
== DHCP Failover (two servers) ===
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== DHCP Failover (HA) ==
* Relationship Name:
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* Relationship Name: DHCPserver01<->DHCPserver02
 
* Maximum Client Lead Time: 1 hour (default)
 
* Maximum Client Lead Time: 1 hour (default)
* Mode: Load balance (default) 50%-50%
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* Mode: Load balance (default) 50% / 50%
 
* State Switchover Internal: 60 minutes (optional)
 
* State Switchover Internal: 60 minutes (optional)
 
* Enable Message Authenication
 
* Enable Message Authenication
** Shared Secret:
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** Shared Secret: **********
  
== DHCP Split-Scope (two servers) ==
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== DHCP Split-Scope (HA) ==
 
* Percentage of IP V4 Addresses: Host DHCP server 80% / Added DHCP server 20% (default)
 
* 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 20% (default)
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* Delay in DHCP Offer (milli seconds): Host DHCP server 0 / Added DHCP server 0 (default)
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== DHCP in multiple VLANs ==
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* DHCP servers (HA) are in server VLAN, and can provide DHCP service to multiple VLANs
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* Network team may need to configure ip helper-address on switches

Latest revision as of 13:43, 20 July 2017

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