====== IP command ======
 
Fingers still used to typing ''ifconfig''? Here's what you need to know to get used to the new ''ip'' command. Or you could just read the man page....

===== ifconfig and ip compared =====


^ NetTools ^ ip command ^
| arp -a | ip neigh |
| arp -v | ip -s neigh | 
| arp -i eth0 -d 192.168.10.11 | ip neigh del 192.168.10.11 dev eth0 |
| arp -s 192.168.10.11 11:22:33:44:55:66 | ip neigh add 192.168.10.11 addr 11:22:33:44:55:66 dev eth0 |
| |
| ifconfig -a | ip addr | 
| ifconfig eth0 up | ip link set eth0 up | 
| ifconfig eth0 down | ip link set eth0 down |
| ifconfig eth0 192.168.10.11 | ip addr add 192.168.10.11/24 eth0 |
| ifconfgi eth0 netmash 255.255.255.0 | ip addr add 192.168.10.11/24 eth0 |
| ifconfig eth0:0 192.168.11.11 | ip addr add 192.168.11.11/24 eth0 |
| |
| netstat | ss |
| netstat -neopa | ss -neopa |
| netstat -g | ip maddr |
| |
| route | ip route |
| route add -net 192.168.11.0 netmask 255.255.255.0 dev eth1 | ip route add 192.168.11.0/24 dev eth1 |
| route add default gw 192.168.11.1 | ip route add default voa 192.168.11.1 |

===== Queries =====

^ ip ^ Explaination ^
| ip addr | ip addr sh eth0 - Show ip information for device eth0 |
| ip link | ip link sh dev eth0 - show link status |
| | ip -s link - show stats for interfaces|
| ip route | Show routing table information |
| ip neigh | Show arp table for neighbouring devices |
| ip help | Shows list of commands and their arguments |
| ip maddr | ip multicast info |
===== Modifying address or links status =====

^ ip ^ Explaination ^
| ip addr add | Add an ip address - ip add 192.168.10.11/24 dev eth2 |
| ip addr del | Remove an ip address |
| ip link set | Set the status of an interface, up, down and mtu |

===== ARP =====

^ ip ^ Explaination ^
| ip neigh add | Add ARP entry:- |
| | ip neigh add 192.168.11.1 addr 11:22;33:44:55:66dev eth3 |
| ip neigh del | Del an arp entry |


===== Routing =====

^ ip ^ Explaination ^
| ip route add | Adds a new line to the routing table |
| | ip route add default via 192.168.10.1 dev eth2 |
| | ip route add 192.168.10.0/24 via 192.168.10.1 |
| | ip route add 192.168.10.0/24 via dev eth2 |
| ip route del | Delete a route entry |
| ip route get | Get the path an address will take |
| | ip route get 192.168.1.1 |
| | $ ip route get 1.1.1.1 |
| | 1.1.1.1 via 192.168.1.1 dev enp0s3 src 192.168.1.197 uid 1000 |

===== Multicast =====

^ ip ^ Explaination ^
| ip maddr add | Add a multicast address |
| ip maddr del | Del a multicast address |



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