Tag Archives: network

Linux: Send Networkpackets from a shell

Hi,

the linux kernel has the ability to send simple network packets from a shell.
Continue reading Linux: Send Networkpackets from a shell

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Linux: Disable assignment of new styled names for network interfaces

Hi,

newer Linux distribution do assign network names like enp0s13 or eno1 instead of the old style ethx names.
Continue reading Linux: Disable assignment of new styled names for network interfaces

Windows: Change a LAN Interface Networkprofile to private

Hi

when the network profile of a Windows PC is set to public, there are firewall restrictions enabled which could prevent accessing the Computer from network. For example Windows Remoting.

Unfortunately in some cases the profile cannot be switch by the Network Gui(s) of windows.
Continue reading Windows: Change a LAN Interface Networkprofile to private

ESXi: Capture Network packets on a vSwitch port

Hi,


ESXi offers some extented methods to capture network packets. Here are some examples.

First of all logon to your ESXi host by ssh.

To capture all traffic on a vmkernel interface use tcpdump-uw.
List all vmkernel interfaces


~ # esxcfg-vmknic -l
Interface  
vmk0    .....   
vmk1    .....   

Continue reading ESXi: Capture Network packets on a vSwitch port

VMware: Windows Event ID 27 on e1iexpress NIC Adapter

Hi,

Issue: You have Windows Server 2012, 2012R2, Windows 8 or Windows 8.1 running on ESXi or VMware Workstation and the network connection is interrupted frequently.
Also EventID 27 and 32 with source e1iexpress are often logged to the Windows EventLog.

Continue reading VMware: Windows Event ID 27 on e1iexpress NIC Adapter