By default, KVM Guest will able to use host connection to connect to lan and internet, but not vice versa.
To make host, guest and lan accessible each other, on network configuration we can use is bridging.
Install bridge-util
# apt-get install bridge-utils
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following NEW packages will be installed:
bridge-utils
...
Configuring bridge
create bridge interface
# brctl addbr br0
show existing infterface
# ip addre show
1: lo: ...
2: enp2s0: ... -> this is lan
3: wlo1: ...-> this is wifi and not supported
4: br0: ...
add interface to bridge
# brctl addif br0 enp2s0
make it persistence, edit /etc/network/interface
...
# The loopback network interface
auto lo
iface lo inet loopback
# set interface manually, avoid conflict with network manager
iface enp2s0 inet manual
iface wlo1 inet manual
# bridge setup
# dhcp
auto br0
iface br0 inet dhcp
bridge_ports enp2s0
# for manual ipv4
# iface bro inet static
# bridge_ports enp2s0
# address 1192.168.1.2
# broadcast 192.168.1.255
# netmask 255.255.255.0
# gateway 192.169.1.1
restart networking service
# systemctl restart networking
Reference:
wiki.debian.org/BridgeNetworkConnections
