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66 lines
2.1 KiB
Plaintext
66 lines
2.1 KiB
Plaintext
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### Connect a qemu guest to real network.
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* Guest: Debian GNU/Linux - eth0
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* Host: Debian GNU/Linux - eth0.201
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guest host host host
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eth0 <---> tap0 <---> bridge0 <---> eth0.201 <---> real network
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* One time:
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apt-get install bridge-utils
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apt-get install uml-utilities
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apt-get install vlan
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* Bridge connection with vlan
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As root:
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vconfig add eth0 201
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tunctl -t tap0 -u username
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brctl addbr bridge0
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brctl stp bridge0 off
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brctl addif bridge0 eth0.201
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brctl addif bridge0 tap0
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ifconfig eth0.201 up
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ifconfig tap0 up
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ifconfig bridge0 up
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* Bridge connection to physical interface
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As root:
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tunctl -t tap0 -u username
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ifconfig eth0 0.0.0.0
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brctl addbr bridge0
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brctl stp bridge0 off
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brctl addif bridge0 eth0
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brctl addif bridge0 tap0
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ifconfig eth0 up
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ifconfig tap0 up
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ifconfig bridge0 192.168.45.X netmask 255.255.255.0 up
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route add default gw 192.168.45.Z
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* NAT connection
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As root:
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tunctl -t tap0 -u username
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ifconfig tap0 192.168.45.1 netmask 255.255.255.0 up
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echo 1 > /proc/sys/net/ipv4/ip_forward
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iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
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* As normal user, run the qemu guest:
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qemu-system-x86_64 \
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-name DEVICE1 \
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-m 512 \
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-smp cpus=1 \
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-enable-kvm \
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-hda device1.qcow2 \
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-serial telnet::2000,server,nowait \
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-monitor tcp:127.0.0.1:4000,server,nowait \
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-display none \
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-daemonize \
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-net none \
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-net nic,model=e1000,vlan=1,macaddr=00:01:00:ff:01:01 \
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-net nic,model=e1000,vlan=2,macaddr=00:01:00:ff:01:02 \
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-net nic,model=e1000,vlan=3,macaddr=00:01:00:ff:01:03 \
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-net nic,model=e1000,vlan=4,macaddr=00:01:00:ff:01:04 \
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-net tap,vlan=1,ifname=tap0,script=no,downscript=no \
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-net socket,vlan=2,udp=127.0.0.1:9012,localaddr=:9002 \
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-net socket,vlan=3,udp=127.0.0.1:9013,localaddr=:9003 \
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-net socket,vlan=4,udp=127.0.0.1:9014,localaddr=:9004
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