High jitters on Windows Server Hyper-V guest in Dell Server

Submitted by pang on Tue, 03/05/2019 - 22:34

Symptoms

Low jitter on host IP, but high jitter on guest IP.

Causes

Broadcom nic enabled VMQ by default. But, not configured properly.

Solutions

  1.  On Host, open regedit and go to
    BelowTenGigVmqEnabled
    DWORD
    1

    For 10Gbps

    TenGigVmqEnabled
    DWORD
    1

     

  2. For every VPS instance, disable and then enable VMQ.