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66 lines
2.8 KiB
Markdown
66 lines
2.8 KiB
Markdown
**WARNING** Be on server as root. nmtui for graphical. RECOMMENDED using nmtui
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virsh net-list --all
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virsh net-edit default
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ip link show type bridge
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ip link show master br0
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sudo ip link add br0 type bridge
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sudo ip link set enp4so up
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sudo ip link set enp4s0 master br0
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sudo ip address add dev br0 192.168.1.121/24
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______________________________________________________________________________
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# Be on server as root. nmtui for graphical. RECOMMENDED using nmtui - see kvm-bridge-nmtui.pdf
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sudo vi /etc/libvirt/qemu/networks/host-bridge.xml
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#Add the following lines:
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<network>
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<name>host-bridge</name>
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<forward mode="bridge"/>
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<bridge name="br0"/>
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</network>
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#Run the following commands to start the newly created bridge and make it as default bridge for VMs:
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sudo virsh net-define /etc/libvirt/qemu/networks/host-bridge.xml
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sudo virsh net-autostart host-bridge
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# virsh net-destroy default
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# virsh net-undefine default
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# create file if not created
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sudo vi /etc/sysctl.d/bridge.conf
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# add the following lines
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net.bridge.bridge-nf-call-ip6tables=0
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net.bridge.bridge-nf-call-iptables=0
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net.bridge.bridge-nf-call-arptables=0
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# create file if not created
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sudo vi /etc/udev/rules.d/99-bridge.rules
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# add the following lines
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ACTION=="add", SUBSYSTEM=="module", KERNEL=="br_netfilter", RUN+="/sbin/sysctl -p /etc/sysctl.d/bridge.conf"
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# REBOOT SYSTEM
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# sudo virsh net-start host-bridge
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# sudo virsh net-autostart host-bridge
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sudo modprobe vhost_net
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sudo vi /etc/modules
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# Add vhost_net
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______________________________________________________________________________
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https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html-single/configuring_and_managing_networking/index#proc_configuring-a-network-bridge-by-using-nmtui_configuring-a-network-bridge
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https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html-single/configuring_and_managing_networking/index#configuring-a-network-bridge-by-using-nm-connection-editor_configuring-a-network-bridge
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https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html-single/configuring_and_managing_networking/index#proc_configuring-a-network-bridge-by-using-nmstatectl_configuring-a-network-bridge
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su - root
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nmcli con show
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ip link
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virsh net-list --all
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nmcli con del "Wired connection 1" # or delete UUID
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nmcli con add type bridge autoconnect yes con-name br0 ifname br0 stp no
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nmcli con add type bridge-slave autoconnect yes con-name eno1 ifname eno1 master br0
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nmcli con mod br0 ipv4.addresses 192.168.1.222/24 ipv4.method manual
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nmcli con mod br0 ipv4.gateway 192.168.1.131
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nmcli con mod br0 ipv4.dns "192.168.1.140 192.168.1.141 192.168.1.143 192.168.1.144"
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nmcli con mod br0 bridge.stp
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# nmcli con mod $connectionName ipv4.ignore-auto-dns yes
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nmcli con mod br0 bridge.stp no
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service NetworkManager restart
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nmcli device show
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nmcli -f bridge con show br0
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