Open vSwitch 튜토리얼 - 기본 네트워크 구성

# tail -1 /etc/lsb-release 
DISTRIB_DESCRIPTION="Ubuntu 14.10"

# uname -ri
3.16.0-34-generic x86_64

# kvm --version
QEMU emulator version 2.1.0 (Debian 2.1+dfsg-4ubuntu6.4)

# apt-get install openvswitch-switch

# ovs-vsctl show
41683821-59d5-4443-8cc5-c95dae7deaae
    ovs_version: "2.3.1"
yundream@yundream:~$ ps -ea | grep ovs 
 1096 ?        00:00:00 ovsdb-server
 1218 ?        00:00:00 ovs-vswitchd

# ovs-vsctl add-br br-int 
# ovs-vsctl list-br 
br-int

# ifconfig eth0 0.0.0.0
# ifconfig eth0 
eth0      Link encap:Ethernet  HWaddr e0:3f:49:45:49:ec  
          inet6 addr: fe80::e23f:49ff:fe45:49ec/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:297594 errors:0 dropped:0 overruns:0 frame:0
          TX packets:212790 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:380124109 (380.1 MB)  TX bytes:20937802 (20.9 MB)

# ovs-vsctl add-port br-int eth0
# ovs-vsctl list-ports br-int 
eth0

# cat /etc/network/interfaces 
iface br-int inet dhcp
# ifup br-int 
Internet Systems Consortium DHCP Client 4.3.1
Copyright 2004-2014 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

Listening on LPF/br-int/e0:3f:49:45:49:ec
Sending on   LPF/br-int/e0:3f:49:45:49:ec
Sending on   Socket/fallback
DHCPDISCOVER on br-int to 255.255.255.255 port 67 interval 3 (xid=0x4fe98d6c)
DHCPREQUEST of 192.168.219.176 on br-int to 255.255.255.255 port 67 (xid=0x4fe98
d6c)
DHCPOFFER of 192.168.219.176 from 192.168.219.1
DHCPACK of 192.168.219.176 from 192.168.219.1
bound to 192.168.219.176 -- renewal in 38277 seconds.

# ifconfig br-int 
br-int    Link encap:Ethernet  HWaddr e0:3f:49:45:49:ec  
          inet addr:192.168.219.176  Bcast:192.168.219.255  Mask:255.255.255.0
          inet6 addr: fe80::e23f:49ff:fe45:49ec/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:25516 errors:0 dropped:0 overruns:0 frame:0
          TX packets:17174 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:34891466 (34.8 MB)  TX bytes:1351063 (1.3 MB)

# route -n 
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         192.168.219.1   0.0.0.0         UG    0      0        0 br-int
0.0.0.0         192.168.219.1   0.0.0.0         UG    1024   0        0 eth0
169.254.0.0     0.0.0.0         255.255.0.0     U     1000   0        0 br-int
172.17.0.0      0.0.0.0         255.255.0.0     U     0      0        0 docker0
192.168.219.0   0.0.0.0         255.255.255.0   U     0      0        0 br-int
192.168.219.1   0.0.0.0         255.255.255.255 UH    1024   0        0 eth0

# apt-get install floodlight  
# /etc/init.d/floodlight start

# tail -f /var/log/floodlight/floodlight.log
INFO [net.floodlightcontroller.core.internal.Controller:main] Controller role set to null
INFO [net.floodlightcontroller.core.internal.Controller:main] Listening for switch connections on 0.0.0.0/0.0.0.0:6633

# ovs-vsctl set-controller br-int tcp:127.0.0.1:6633 

INFO [net.floodlightcontroller.core.internal.Controller:New I/O server worker #1-1] New switch connection from /127.0.0.1:57686

# ovs-vsctl show 
41683821-59d5-4443-8cc5-c95dae7deaae
    Bridge br-int
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        Port br-int
            Interface br-int
                type: internal
        Port "eth0"
            Interface "eth0"
    ovs_version: "2.3.1"

# cat /etc/ovs-ifup
#!/bin/sh
switch='br-int'
/sbin/ifconfig $1 0.0.0.0 up
ovs-vsctl add-port ${switch} $1

# cat /etc/ovs-ifdown
#!/bin/sh
switch='br-int'
/sbin/ifconfig $1 0.0.0.0 down
ovs-vsctl del-port ${switch} $1

# ovs-vsctl show 
41683821-59d5-4443-8cc5-c95dae7deaae
    Bridge br-int
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        Port "tap1"
            Interface "tap1"
        Port br-int
            Interface br-int
                type: internal
        Port "eth0"
            Interface "eth0"
        Port "tap0"
            Interface "tap0"
    ovs_version: "2.3.1"