20210308 Iperf

課堂資料

3MB

20210308.pptx

Open

How to Install Python on Ubuntu Linux - Geek RewindGeek Rewind

669B

cisco.tar.gz

Open

Iperf使用說明－Martin Chang的部落格｜痞客邦Martin Chang的部落格

Iperf command and usageLinux Hint

GitHub - p4lang/behavioral-model: The reference P4 software switchGitHub

課堂練習

安裝 pip

安裝 ppa

add-apt-repository ppa:deadsnakes/ppa

Update packeges

apt-get update

apt-get upgrade

升級 python 2.x 到 python 3.x

apt-get install python3.6

apt-get install python3.6-gdbm

apt-get install python3.7

apt-get install python3.7-gdbm

apt install ansible

python -V

python3 -V

安裝 pip

apt-get install python3-pip

pip3 install --upgrade pip

設定優先順序

update-alternatives --install / usr / bin / python3 python3 /usr/bin/python3.6 1

update-alternatives --install / usr / bin / python3 python3 /usr/bin/python3.7 2

到 pip document 官方網站建議的載點下載 pip 安裝檔

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py

啟動剛剛下載好的 get-pip.py 檔案

python3 get-pip.py

查看 pip 目前版本

python3 -m pip -V

額外補充

R1

Part 01.

en

conf t

ho R1

do writ

int e0/2

ip add dhcp

no shut

do sh ip int brief

Part 03.

exit

username cisco privile 15 password cisco

ip domain-name test.com

crypto key generate rsa

ip ssh ver 2

line vty 0 4

login local

transport input ssh

ubuntu

Part 02.

ping 192.168.8.140

Part 04.

ssh cisco@192.168.8.140

conf t

int e0/0

ip add 192.168.1.254 255.255.255.0

no shut

int e0/1

ip add 192.168.2.254 255.255.255.0

no shut

do sh ip int bri

exit

exit

exit

python3 -m  pip install paramiko

python3 -m  pip install --upgrade pip

python3

import paramiko

exit

mkdir cisco

cd cisco

gedit hosts config_cisco.yml

hosts

[cisco]
192.168.8.140 ansible_connection=local

config_cisco.yml

- hosts: 192.168.8.140
  gather_facts: yes
  vars:
    - cisco_host_ip: 192.168.8.140
      ssh_username: cisco
      ssh_password: cisco
      enable_open: yes
      enable_password: cisco
  roles:
     - config_cisco

mkdir config_cisco

cd config_cisco

mkdir tasks

cd tasks

gedit main.yml

main.yml

- name: cisco_description_ssh_certification
  set_fact:
    cisco_verification:
      host: "{{cisco_host_ip}}"
      username: "{{ssh_username}}"
      password: "{{ssh_password}}"
      authorize: "{{enable_open}}"
      auth_pass: "{{enable_password}}"

- name: config e0/0
  ios_config:
      provider: "{{cisco_verification}}"
      parents:  interface Ethernet 0/0     
      lines:
        - ip addr 192.168.1.254 255.255.255.0
        - no shut

- name: config e0/1
  ios_config:
      provider: "{{cisco_verification}}"
      parents:  interface Ethernet 0/1     
      lines:
        - ip addr 192.168.2.254 255.255.255.0
        - no shut

- name: show ip interface
  ios_command:
      provider: "{{cisco_verification}}"
      commands: show ip interface brief
  register: show_ip_log

- name: show_ip_log
  debug:
    var: show_ip_log.stdout_lines
  with_items: show_ip_log.results

cd ..

cd ..

apt install tree

tree

ansible-playbook config_cisco.yml -i hosts

ansible-playbook plyabook.yml -i hosts

cd ..

cd mininet

Iperf

mn

net

xterm h1 h2

pingall

h2 - 1

iperf -s -i 1

iperf -s -i 1 -u

iperf -s -i 1 -u -p 6666

• -p：port

h1 - 1

iperf -c 10.0.0.2 -t 20

• -c：Client

• -t：Time

iperf -c 10.0.0.2 -t 10 -u -b 100M

iperf -c 10.0.0.2 -t 10 -u -b 100M -p 6666

xterm h1 h2 s1

h2 - 2

iperf -s -i 1 -u -p 5555

h1 - 2

iperf -c 10.0.0.2 -t 10 -u -b 100M -p 5555

exit

xterm h1 h2

h2 - 3

iperf -s -i 1 -u -p 5555 > udp5555

^C

cat udp5555

cat udp5555 | grep sec

cat udp5555 | grep sec | grep -y 0.0-15  

cat udp5555 | grep sec | head -n 14 > result.txt

h1 - 3

iperf -c 10.0.0.2 -t 15 -u -b 100M -p 5555

Mininet 指令

cd mininet

mn

xterm h1 h2

xterm s1

h1 ifconfig

h1 ping 10.0.0.2 -c 3

h2

ping 10.0.0.2

python -m SimpleHTTPServer 80

h1

su - user

firefox

ping 10.0.0.1

firefox

10.0.0.2:80

sh ls /tmp

pingall

Gnuplot

apt install gnuplot

exit

gnuplot

plot "result.txt"

set yrange [0:110]

set ytics 0,10,110

replot

set xrange [0:15]

set xtics 0,5,15

plot "result.txt" with linespoints

set xtics 0,1,15

replot

set xlabel "tine (sec)"

set ylabel "throughput (Mbis/sec)"

replot

set title "udp throughput"

replot

set terminal "gif"

type set to 'gif'

set output "result.gif"

replot

exit