[[PageOutline]]

= 環境 =
 * 網卡：Intel 82599EB 10 Gigabit
   * module：
     * ixgbe
     * ixgbevf

= 測試指令 =
 * 載入網卡 module：
   * 僅載入網卡
     {{{
     modprob ixgbevf
     modprob ixgbe
     }}}
   * 載入網卡及 8 個 VF
     {{{
     modprob ixgbe max_vfs=8
     }}}
   * module 設定：
     {{{
     vim /etc/modprobe.d/ixgbe.conf
     }}}
   * 網卡設定：
     {{{
     vim /etc/udev/rules.d/70-persistent-net.rules
     }}}
 * 列出 ixgbe 網卡 module：
   {{{
   lsmod | grep ixgbe
   }}}
 * 列出 82599 網卡及 VF：
   {{{
   lspci | grep 82599
   lspci | grep Virtual
   }}}
 * 卸載網卡 module：
   * 卸載網卡前，要先檢查 VM 是否已經全部關閉：
   {{{
   virsh list --all
   }}}
   * 卸載網卡：
   {{{
   modprob -r ixgbe
   }}}

= 實驗 =
 * node 04、05
   * 實體 eth
     * eth2：右邊
     * eht4：左邊
= 1 實體機器 vs 1 實體機器 =
 * 設定
   * node04
     * eth2：192.168.100.42
     * eth4
   * node05
     * eth2：192.168.100.52
     * eth4
   * server:
     {{{
     iperf -s server-ip
     }}}
   * client:
     {{{
      iperf -c server-ip -t 30 -i 1
     }}}
 * node04,eth02,server → node05,eth02,client
   * 透過 switch、橙色網路線：
     * server
       {{{
       iperf: ignoring extra argument -- 192.168.100.42
       ------------------------------------------------------------
       Server listening on TCP port 5001
       TCP window size: 85.3 KByte (default)
       ------------------------------------------------------------
       [  4] local 192.168.100.42 port 5001 connected with 192.168.100.52 port 44429
       [ ID] Interval       Transfer     Bandwidth
       [  4]  0.0-30.0 sec  11.8 GBytes  3.39 Gbits/sec
       [  5] local 192.168.100.42 port 5001 connected with 192.168.100.52 port 44430
       [  5]  0.0-30.0 sec  10.5 GBytes  3.01 Gbits/sec
       [  4] local 192.168.100.42 port 5001 connected with 192.168.100.52 port 47920
       [  4]  0.0-30.0 sec  12.0 GBytes  3.43 Gbits/sec
       }}}
     * client：
       {{{
       ex-01、ex-02、ex-03
       }}}


 * node04,eth02,server → node05,eth02,client
   * 網路卡對接、橙色網路線：
     * server
       {{{
       iperf: ignoring extra argument -- 192.168.100.42
       ------------------------------------------------------------
       Server listening on TCP port 5001
       TCP window size: 85.3 KByte (default)
       ------------------------------------------------------------
       [  4] local 192.168.100.42 port 5001 connected with 192.168.100.52 port 51644
       [ ID] Interval       Transfer     Bandwidth
       [  4]  0.0-30.0 sec  12.3 GBytes  3.53 Gbits/sec
       [  5] local 192.168.100.42 port 5001 connected with 192.168.100.52 port 51645
       [  5]  0.0-30.0 sec  11.4 GBytes  3.25 Gbits/sec
       [  4] local 192.168.100.42 port 5001 connected with 192.168.100.52 port 51646
       [  4]  0.0-30.0 sec  12.6 GBytes  3.61 Gbits/sec
       }}}
     * client：
       {{{
       ex-04、ex-05、ex-06
       }}}


 * node04,eth02,server → node05,eth02,client
   * 透過 switch：
     * server
       {{{
       iperf: ignoring extra argument -- 192.168.100.42
       ------------------------------------------------------------
       Server listening on TCP port 5001
       TCP window size: 85.3 KByte (default)
       ------------------------------------------------------------
       [  4]  0.0-100.0 sec  53.7 GBytes  4.61 Gbits/sec
       [  5] local 192.168.100.42 port 5001 connected with 192.168.100.52 port 55568
       [  5]  0.0-100.0 sec  54.0 GBytes  4.64 Gbits/sec
       [  4] local 192.168.100.42 port 5001 connected with 192.168.100.52 port 41919
       [  4]  0.0-100.0 sec  54.4 GBytes  4.67 Gbits/sec
       }}}
     * client：
       {{{
       ex-07、ex-08、ex-09
       }}}


 * node04,eth03(VF),server → node05,eth02,client
   * 透過 switch：
     * server
       {{{
       iperf: ignoring extra argument -- 192.168.100.43
       ------------------------------------------------------------
       Server listening on TCP port 5001
       TCP window size: 85.3 KByte (default)
       ------------------------------------------------------------
       [  4] local 192.168.100.43 port 5001 connected with 192.168.100.52 port 59617
       [ ID] Interval       Transfer     Bandwidth
       [  4]  0.0-30.0 sec  11.5 GBytes  3.31 Gbits/sec
       [  5] local 192.168.100.43 port 5001 connected with 192.168.100.52 port 59618
       [  5]  0.0-30.0 sec  11.5 GBytes  3.28 Gbits/sec
       [  4] local 192.168.100.43 port 5001 connected with 192.168.100.52 port 37373
       [  4]  0.0-30.0 sec  11.6 GBytes  3.32 Gbits/sec
       }}}
     * client：
       {{{
       ex-10、ex-11、ex-12
       }}}


= Reference =
 * http://www.youtube.com/watch?v=hRHsk8Nycdg
 * http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization/chap-Para-virtualized_Windows_Drivers_Guide-SR_IOV.html
 * http://www.principledtechnologies.com/clients/reports/Red%20Hat/RHEL6_SR-IOV_DB0111.pdf