Category Archives: Network

Enabling Jumbo Frames on Windows Server 2012 R2 using PowerShell and on Cisco 3560G using IOS commands.

Posted on October 16, 2014 by jbernec

Jumbo frames are Ethernet frames with a payload greater than the standard mtu of 1500. Increasing the mtu size on a 1 GB network usually improves network performance and efficiency.The following PowerShell cmdlets will help display and check current jumbo … Continue reading →

Posted in Jumbo Frames, Network, Powershell 4.0 | Tagged , , , | 2 Comments

Configuring Windows Server 2012 R2 NIC Teaming with EtherChannel on Cisco 3750G Switch.

Posted on August 11, 2014 by jbernec

Windows Server 2012 R2 built in NIC Teaming code enables link aggregation of multiple network adapters with same speeds for outbound traffic from the host. To take advantage of inbound traffic aggregation, the switch ports will have to be configured … Continue reading →

Posted in Cisco, Hyper-v 2012 R2, Network, Network Load Balancing, NIC Teaming, Powershell 4.0, Windows Server 2012 R2 | 1 Comment

Resolving EventID: 4292 IPSec driver Block mode Error !!

Posted on May 30, 2014 by jbernec

I recently encountered a situation with a Virtual Machine running Guest OS Windows Server 2003 SP2. The parent partition (Host) is running Hyper-v 2012 R2. I could login to the VM console using Hyper-v Manager, the Guest OS had an … Continue reading →

Posted in Hyper-v Manager, Microsoft Hyper-v, Network, Windows Server 2012 R2 | Tagged , , , | Leave a comment