route

Establece ruta con otras redes en linux

ip route show

sudo route add -net 172.16.0.0/12 gw 192.168.1.1 dev eth0

sudo route add -net 10.0.0.0/8 gw 192.168.1.1 dev eth0

ip route list

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Comandos:

Ver los dispositivos e IP

ifconfig

ip addr show

ip link show

Establecer IP a un interface

ip addr add 10.1.1.2/16 dev eth1

ip addr list

ip link set eth1 up

Activar un interface de red

ifconfig eth0 up

ip link set eth0 up

Desactivar un interface de red:

ifconfig eth0 down

ip link set eth0 down

Setting IP address

La version simple:

ifconfig eth0 192.168.0.77

ip address add 192.168.0.77 dev eth0

La versión completa:

ifconfig eth0 192.168.0.77 netmask 255.255.255.0 broadcast 192.168.0.255

ip addr add 192.168.0.77/24 broadcast 192.168.0.255 dev eth0

Borrar una IP:

ip addr del 192.168.0.77/24 dev eth0

Incluir alias interface

ifconfig eth0:1 10.0.0.1/8

ip addr add 10.0.0.1/8 dev eth0 label eth0:1

Incluir una entrada en al tabla de rutas

arp -i eth0 -s 192.168.0.1 00:11:22:33:44:55

ip neigh add 192.168.0.1 lladdr 00:11:22:33:44:55 nud permanent dev eth0

Establecer resolución ARP a un dispositivo

ifconfig -arp eth0

ip link set dev eth0 arp off

Ver la table de rutas

route

ip route show

With ip you can query on which interface a packet to a given IP address would be routed to:

ip route get 192.168.88.77

Cambiando la tabla de rutas:

route add -net 192.168.3.0/24 dev eth3

ip route add 192.168.3.0/24 dev eth3

Borrar entradas de la tabla de rutas:

route del -net 192.168.3.0/24 dev eth3

ip route del 192.168.3.0/24 dev eth3

Establecer ruta:

route add -net 192.168.4.0/24 gw 192.168.4.1

ip route add 192.168.4.0/24 via 192.168.4.1

Ver la tabla ARP Cache

ip neighbor show

ip neighbor show dev eth0

Explorar activos por ARP

netdiscover