Category Archives: DHCP

Configuring Windows Server 2012 R2 DHCP Failover with PowerShell and Resolving Custom Options Error 20010.

Posted on January 29, 2015 by jbernec

For the first time, WS 2012 R2 offers a true DHCP failover and load balance solution that works. After recently migrating to Windows Server 2012 R2 DHCP, I went a step further to configure failover to a partner server with … Continue reading →

Posted in DHCP, DHCP Failover, DHCP High Availability, PowerShell, Powershell 4.0, Windows Server 2012, Windows Server 2012 R2 | Tagged , , , , , , , | Leave a comment

Migrating DHCP from Windows Server 2003 SP2 to WS 2012 R2 Platform .

Posted on January 21, 2015 by jbernec

Migrating DHCP from WS2003 to WS2012 R2 with PowerShell on the source server throws a dhcp version conflict error. The recommendation is to use NetShell for the initial export and import . 1) Login to the current WS2003 DHCP Server … Continue reading →

Posted in DHCP, Migration, Windows Server 2012 R2 | Tagged , , , , , | 4 Comments

Setting Up a WS2012 R2 Windows Deployment Server (WDS) for Pre-Boot Execution Environment (PXE).

Posted on February 11, 2014 by jbernec

In this post I want to quickly go through my experience setting up a Windows Deployment Server for PXE Boot(Pre-Boot Execution Environment) for my lab servers. Platform is Windows Server 2012 R2 .I outline the steps as follows: 1) Open … Continue reading →

Posted in Active Directory, Active Directory Domain Services, DHCP, PowerShell, PowerShell 3.0, Powershell 4.0, Pre-Boot Execution Environment, PXE, Virtual Machines, WDS, Windows Deployment Server, Windows Server 2012, Windows Server 2012 R2 | Tagged , , , , | 1 Comment

Configuring InterVLAN Routing on a Layer 3 Switch and providing DHCP to multiple subnets Part 2

Posted on October 16, 2013 by jbernec

In part 2 of this topic, I will show how to configure the Switch Virtual Interfaces and IP Helper addresses on the Cisco 3750G EMI: L3Switch(config)#interface vlan 20 L3Switch(config-if)# ip address 10.0.2.1 255.255.255.0 (Configure IP Address on the vlan 20 … Continue reading →

Posted in Cisco, DHCP, IOS, Router, svi, Switch, Switch Virtual Interface, vlan | Tagged , , | 13 Comments

Configuring InterVLAN Routing on a Layer 3 Switch and providing DHCP to multiple subnets Part 1

Posted on September 26, 2013 by jbernec

In this series, I would like to post my practical experience in setting up multiple VLANs/subnets and using a Layer 3 switch to route traffic across them. The post will also include my configuration steps enabling the use of a … Continue reading →

Posted in Cisco, DHCP, Helper Address, IP, Router, svi, Switch, Switch Virtual Interface, vlan | Tagged , , , , | 3 Comments