### iproute2 ###


IP-Adressen
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ip addr show
ip addr add 192.168.122.2/24 dev eth0
ip addr change?/replace? 192.168.122.4/24 dev eth0
ip addr show eth0
    inet 192.168.122.2/24 scope global eth0
    inet 192.168.122.4/24 scope global secondary eth0
ip addr del 192.168.122.2/24 dev eth0



Ethernet Layer
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ip link show
ip link show dev eth0
ip link set dev eth0 down
ip link set dev eth0 up
ip link set dev eth0 mtu 1500
ip link set dev eth1 name INSIDE



VLAN
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ip link add link eth0 name eth0.1100 type vlan id 1100
ip link set dev eth0.1100 up
ip link add eth0.1100 192.168.1.182/24 broadcast 192.168.1.255 dev eth0.1100

ip link set eth0.1100 down
ip addr del 192.168.1.182/24 dev eth0.1100
ip link delete eth0.1100



Virtual Interface
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ip link add type veth peer name veth2 addr 00:01:02:aa:bb:cc



Routing
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ip route add default via xxx.xxx.xxx.xxx
ip route add 192.168.1.0/24 via 192.168.70.1



MTU
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ip link set dev enp0s25 mtu 1500