Category: Network

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

  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 frame values and edit them.The maximum value of a Jumbo frame on an Ethernet adapter…

  jbernec

  October 16, 2014

  Jumbo Frames, Network, Powershell 4.0

  Cmdlets, Jumbo Frames, Network Adapter, PowerShell 4.0

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

  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 for Etherchannel. In the example below, an already configured SwitchIndependent NIC team is converted to…

  jbernec

  August 11, 2014

  Cisco, Hyper-v 2012 R2, Network, Network Load Balancing, NIC Teaming, Powershell 4.0, Windows Server 2012 R2

• Resolving EventID: 4292 IPSec driver Block mode Error !!

  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 IP Address by DHCP, but there was no network access . I could not ping…

  jbernec

  May 30, 2014

  Hyper-v Manager, Microsoft Hyper-v, Network, Windows Server 2012 R2

  Hyper-v Manager, IPSec, Network Adapter, Virtual Machine