The document describes setting up a virtual machine environment using QEMU and DPDK to test the Lagopus software switch. Key details include: - Configuring a Supermicro server with Intel Xeon CPU and networking hardware for use as the host system. - Installing Ubuntu Server in a QEMU virtual machine and using DPDK and Pktgen tools for packet processing and testing. - Configuring two additional virtual machines to test the Ryu controller and Lagopus switch using bridged networking between VMs and the host system. - Providing configuration details for QEMU, virtual machine images and networking, CPU and memory settings to optimize for DPDK and packet processing

1. Lagopus Day #1 Tokyo
䛾㝮䛳䛣䛷䜔䛳䛶䛯䛣䛸
Aug 31, 2014
m-oki@stratosphere.co.jp

2. 䝬䝄䞊䝪䞊䝗䛸㟁※➼ᣢ䛱㎸䜏
● SUPERMICRO X9SKV-1105
○ Xeon E3-1105C v2 䜸䞁䝪䞊䝗(䝣䜯䞁䝺䝇)
○ GbE x6 (i350 4ᮏ䚸i210 2ᮏ) 䜸䞁䝪䞊䝗
○ ౛䛻䜘䛳䛶䝟䝋䝁䞁䝝䜴䝇ᮾᫎ䛥䜣䛷㈙䛔䜎䛧䛯
● 16GB䝯䝰䝸䚸320GB HDD
● PCIe x1䛾䝡䝕䜸䜹䞊䝗
● 9䜲䞁䝏䝰䝙䝍䚸䜻䞊䝪䞊䝗
● 䜿䞊䝇䛿䛺䛧

3. ఍ሙ䛷䜔䛳䛯䛣䛸
● QEMU䜢౑䛔௬᝿䝬䝅䞁䜢㉳ື
● ௬᝿䝬䝅䞁ୖ䛷Ubuntu server䜲䞁䝇䝖䞊䝹
● 䛭䛾Ubuntuୖ䛷dpdk䜢ྲྀᚓ䚸䝁䞁䝟䜲䝹
● 䛥䜙䛻lagopus, Pktgen-DPDK䜢䜲䞁䝇䝖䞊䝹
● Ryu䜒䜲䞁䝇䝖䞊䝹
● VM䜲䝯䞊䝆䜢」〇䛧2䛴䛾VM䜢㉳ື
● VMୖ䛷Pktgen-DPDK䛸lagopus䛾㏻ಙ䜢ᐇ⾜

4. 320GB HDD䛾୰㌟
● Ubuntu 14.04LTS server
● ᙜ᪥༗๓୰䛻⮬Ꮿ䛷䜲䞁䝇䝖䞊䝹䛧䛯
● QEMU⏝䛾HDD䜲䝯䞊䝆䜢స䛳䛶䛚䛔䛯
○ 4GB䛒䜜䜀Ubuntu server䛜ධ䜛
qemu-img -f qcow2 create ubuntu-vm1.img 4G

5. 䜔䛳䛯䛣䛸䜢⤮䛻䛩䜛䛸䛣䛖
● VM䛿䛭䜜䛮䜜3ᮏ㊊
● 1ᮏ䛿䝩䝇䝖䝤䝸䝑䝆䚸2ᮏ䛿஫䛔䛻᥋⥆
Lagopus Pktgen-DPDK
QEMU
ubuntu-vm
QEMU
Ryu ubuntu-vm2
alice: Ubuntu server on X9SKV-1105
eth4
10.75.30.10
→会場ネットワーク
eth0
10.75.30.28
eth0
10.75.30.31

6. 䝩䝇䝖䝤䝸䝑䝆䛾䛯䜑䛾‽ഛ
/etc/network/interfaces䛾auto eth4䜢ኚ᭦
auto br0
interface br0 inet dhcp
bridge_ports eth4
bridge_stp off
bridge_maxwait 0
bridge_fd 0
QEMU䛾-net bridge䛿ᣦᐃ䛜䛺䛡䜜䜀br0䛻䛴䛺䛜䜛䚹

7. QEMU䛾㉳ື䝟䝷䝯䞊䝍
● -machine pc,accel=kvm
○ ᣦᐃ䛧䛺䛔䛸KVM䛺䛧䛷ື䛟(㐜䛔)
● -display vnc=10.75.30.10:0 (䜒䛧䛟䛿:1)
○ 䝜䞊䝖PC䛾VNC Viewer䛷䛴䛺䛔䛷VM䛾䝁䞁䝋䞊䝹䜢᧯స
○ Viewerഃ䛷䛿port 5900 (䜒䛧䛟䛿5901)䜢ᣦᐃ
● -m 1024
○ 1GBᣦᐃ䚹↓ᣦᐃ䛰䛸128MB䛸䛺䜛(Ubuntu䜲䞁䝇䝖䞊䝷䛜ື䛛䛺䛔)
● -cpu host -smp cores=4
○ 䝩䝇䝖䛸ྠ䛨௬᝿䝥䝻䝉䝑䝃䜢4䝁䜰䛷
○ ↓ᣦᐃ䛰䛸QEMU Virtual CPU䛸䛺䜚䚸DPDK䛜䝁䞁䝟䜲䝹䛷䛝䛺䛔
○ Haswell䛺䛹䜒ᣦᐃ䛷䛝䜛䛜䚸䜶䝭䝳䝺䞊䝅䝵䞁䛜䛛䛛䜛䛸㐜䛟䛺䜛

8. QEMU䝛䝑䝖䝽䞊䜽㛵㐃
● -net䜢」ᩘᣦᐃ䛩䜛䚹
○ 䜂䛸䛴䛿௬᝿䝬䝅䞁ഃ䛾NICタᐃ䚸䜂䛸䛴䛿䝩䝇䝖ഃ䛷䛹䛖ᢅ䛖䛛䛾タᐃ
○ ௬᝿䝛䝑䝖䝽䞊䜽␒ྕ䛷༊ู䛩䜛 (vlan=N䛷䚸䝕䝣䜷䝹䝖1)
○ bridge᥋⥆䛩䜛䛻䛿⟶⌮⪅ᶒ㝈䛜ᚲせ䚹qemu䜢sudo௜䛷㉳ື䛩䜛䚹
○ tapᣦᐃ䛩䜛䛸ྠ୍vlan␒ྕ䛾VMྠኈ䛜䛴䛺䛜䜛
● -net nic -net bridge,macaddr=xx:xx:xx:xx:xx:xx
● -net nic,vlan=2 -net tap,vlan=2
● -net nic,vlan=3 -net tap,vlan=3
○ eth0: 䝩䝇䝖䝤䝸䝑䝆䚹MACᣦᐃ䛜䛺䛔䛸ྠ୍䛻䛺䜚䚸」ᩘVM䛷ᅔ䜛
○ eth1: VM㛫᥋⥆
○ eth2: VM㛫᥋⥆

9. QEMU䝇䝖䝺䞊䝆㛵㐃
● -hda ubuntu-vm.img (䜒䛧䛟䛿ubuntu-vm2.img)
● -cdrom ubuntu-server-14.04.1-amd64.iso
● Ubuntu䜲䞁䝇䝖䞊䝹ᚋ䚸img䝣䜯䜲䝹䜢䝁䝢䞊䛧䛯䚹
● ISO䛿Ubuntu䜲䞁䝇䝖䞊䝹᫬䛰䛡ᣦᐃ䚹

10. QEMU㉳ື
ୗグ䜢1⾜䛷䚹ኴᏐ䛿2䛴┠䛾VM䛾䛸䛝ኚ᭦䛩䜛䚹
sudo qemu-system-x86_64 -machine pc,
accel=kvm -display vnc=10.75.30.10:0 -m 1024
-cpu host,cores=4 -net nic -net bridge,
macaddr=56:78:90:12:34:56 -net nic,vlan=2 -
net tap,vlan=2 -net nic,vlan=3 -net tap,
vlan=3 -hda ubuntu-vm1.img

11. 䜲䞁䝇䝖䞊䝹䛸䛛
DPDK, lagopus䛾䜲䞁䝇䝖䞊䝹䛿䝝䞁䝈䜸䞁䛾䜎䜎䛻䛴䛝␎䚹
Pktgen-DPDK䛿ୗグ䛾䜘䛖䛺ឤ䛨䛷䚹
cd src/Pktgen-DPDK
RTE_SDK=`pwd`
RTE_TARGET=x86_64-pktgen-linuxapp-gcc
make config T=$RTE_TARGET
make install
cd example/pktgen
make

12. 䛭䜜䛮䜜䛾VM䛷䜰䝥䝸㉳ື
● ryu-manager simple_switch_13.py
● sudo lagopus -d -cf -n2 -- -p3
○ -cf: 4䝁䜰 (DPDKඹ㏻䝟䝷䝯䞊䝍)
○ -n2: 䝯䝰䝸䝏䝱䝛䝹ᣦᐃ (ྠୖ)
○ -p3: Port0, Port1䜢฼⏝
● sudo app/pktgen -cf -n2 -- -m 1.0,2.1
○ -m 1.0,2.1: 䝁䜰1䛷Port0䛾㏦ཷಙ䚸䝁䜰2䛷Port1

13. ື䛔䛯?
● ື䛔䛯!
● ື䛝䛯䛶䜋䜔䜋䜔䜢䝝䞁䝈䜸䞁䛷䛚ぢ䛫䛧䛯
● ὶ䛧䛶䛔䜛䝟䜿䝑䝖䛿64byte䛾IPv4/TCP
● 䝇䝹䞊䝥䝑䝖䛿䛛䛺䜚ప䛛䛳䛯Ẽ䛜䚹
● タᐃ䜢ワ䜑䛯䜚䛷䛝䜛䛸㏿䛟䛺䜛䛛䜒?