
Recently I was setting up environment with WAN emulation on ESX VMs. The basic setup contained Windows XP/7 VM connected to Windows server VM with WAN emulator in the middle (Ubuntu VM). Traffic sent from XP machine utilized the bandwidth set by the WAN emulator; however, traffic sent from Windows 7/2008 was really struggling to rise above 15KB/sec. After looking at sniffer’s traces I discovered that while XP client was continuously sending packets of 1514 bytes length: VMs with more [ Read More ]
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