CoreMP135 Network Management

# View all network interfaces ifconfig -a # View enabled networks ifconfig # Open the eth0 network interface ifconfig eth0 up # Close the eth0 network card ifconfig eth0 down # Configure network card information ifconfig eth0 192.168.2.10 netmask 255.255.255.0 broadcast 192.168.2.255 # Modify the network card eth0 MAC address ifconfig eth0 hw ether AA:AA:BB:CC:dd:EE 

# Display network interface information ip link show # Enable network card ip link set eth0 up # Turn off the network card ip link set eth0 down # Enable the mixed mode of the network card ip link set eth0 promisc on # Turn off the mixed mode of the network card ip link set eth0 promisc offi #Set the network card queue length ip link set eth0 txqueuelen 1200 #Set the maximum transmission unit of the network card ip link set eth0 mtu 1400 # Display network card IP information ip addr show #Set the eth0 network card IP address 192.168.0.1 ip addr add 192.168.0.1/24 dev eth0 # Delete the eth0 network card IP address ip addr del 192.168.0.1/24 dev eth0 # Display system routes ip route show #Set the system default route ip route add default via 192.168.1.254 # View routing information ip route list # Set the gateway of the 192.168.4.0 network segment to 192.168.0.254, and the data goes through the eth0 interface ip route add 192.168.4.0/24 via 192.168.0.254 dev eth0 # Set the default gateway to 192.168.0.254 ip route add default via 192.168.0.254 dev eth0 # Delete the gateway of the 192.168.4.0 network segment ip route del 192.168.4.0/24 # Delete default route ip route del default # Delete route ip route delete 192.168.1.0/24 dev eth0

# If the network interface is not enabled ifconfig eth0 up # Set the static IP of the eth0 network port ifconfig eth0 192.168.1.100

# If the network interface is not enabled ifconfig eth0 up # Get dynamic ip dhclient eth0