fedoraKVMbridge桥接设置备忘

环境:

Fedora 9 x86_64 @ AMD Athlon X2 5000+

单网卡 (eth0), runlevel 3

角色: Linux NAT、DHCP Server、KVM Host

内容:

开机自动桥接 eth0

让 DHCP Server 由 eth0 改用 br0

使用 cbq.init 限制 LAN User 的下载带宽

KVM on Fedora 9 操作备忘 (Bridge Mode)

开机自动桥接 eth0

yum install bridge-utils

vi /etc/sysconfig/network-scripts/ifcfg-br0

DEVICE=br0

TYPE=Bridge

BOOTPROTO=static

OnBOOT=yes

IPADDR=192.168.1.1

NETMASK=255.255.255.0

GATEWAY=192.168.1.254

vi /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0

HWADDR=xx:xx:xx:xx:xx:xx

OnBOOT=yes

BRIDGE=br0

让 DHCP Server 由 eth0 改用 br0

vi /etc/sysconfig/dhcpd

DHCPDARGS=br0

使用 cbq.init 限制 LAN User 的下载带宽

iptables -t mangle -A FORWARD -o br0 -d 192.168.1.100 -j MARK --set-mark=10

vi /etc/sysconfig/cbq/cbq-0002.test

DEVICE=eth0,100Mbit,10Mbit

RATE=500Kbit

WEIGHT=50Kbit

PRIO=5

MARK=10

KVM on Fedora 9 操作备忘 (Bridge Mode)

yum install kvm qemu

modprobe kvm_amd

ln -s /usr/bin/qemu-kvm /usr/bin/kvm

vi /etc/qemu-ifup

#!/bin/sh

sudo /sbin/ifconfig $1 0.0.0.0 promisc up

sudo /usr/sbin/brctl addif br0 $1

vi /etc/qemu-ifdown

#!/bin/sh

echo Bye.

chmod +x /etc/qemu-if*

qemu-img create -f qcow2 f10.qcow2 10G

kvm -hda f10.qcow2 -cdrom /path/to/Fedora-10-i386-DVD.iso -boot d -m 256 -localtime -net nic -net tap,ifname=tap0 -vnc :1