Cheat Sheet

Iproute2 , est une petite révolution dans l'univers Linux et les outils réseaux 

Ifconfig ,  est remplacé par ip adrr show (peut etre ip a sh  plus court)

guilbert@Linux1:~$ ip -o a sh

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN \    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

1: lo    inet 127.0.0.1/8 scope host lo

1: lo    inet6 ::1/128 scope host \       valid_lft forever preferred_lft forever

2: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000\    link/ether 00:1b:2f:2e:d1:ed brd ff:ff:ff:ff:ff:ff

2: eth3    inet 172.22.1.1/16 brd 172.22.255.255 scope global eth3

2: eth3    inet6 fe80::21b:2fff:fe2e:d1ed/64 scope link \       valid_lft forever preferred_lft forever

3: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000\    link/ether 00:50:04:6a:a6:ed brd ff:ff:ff:ff:ff:ff

3: eth2    inet 10.175.102.180/16 brd 10.175.255.255 scope global eth2

3: eth2    inet6 fe80::250:4ff:fe6a:a6ed/64 scope link \       valid_lft forever preferred_lft forever

guilbert@Linux1:~$ 

Pour l'ip V4 ou l'ip V6

ip -4 a sh ou ip -6 ash

guilbert@Linux1:~$ ip -4 -o a sh

1: lo    inet 127.0.0.1/8 scope host lo

2: eth3    inet 172.22.1.1/16 brd 172.22.255.255 scope global eth3

3: eth2    inet 10.175.102.180/16 brd 10.175.255.255 scope global eth2

guilbert@Linux1:~$ ip -6 -o a sh

1: lo    inet6 ::1/128 scope host \       valid_lft forever preferred_lft forever

2: eth3    inet6 fe80::21b:2fff:fe2e:d1ed/64 scope link \       valid_lft forever preferred_lft forever

3: eth2    inet6 fe80::250:4ff:fe6a:a6ed/64 scope link \       valid_lft forever preferred_lft forever

Nouvelles nominations des interfaces   ethX  contre enpXsY

postes1415@postes1415-System-Product-Name:~$ ip a

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

    inet 127.0.0.1/8 scope host lo

       valid_lft forever preferred_lft forever

    inet6 ::1/128 scope host 

       valid_lft forever preferred_lft forever

2: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000

    link/ether 00:17:31:bc:7e:d7 brd ff:ff:ff:ff:ff:ff

    inet 172.22.18.219/16 brd 172.22.255.255 scope global dynamic enp3s0

       valid_lft 41758sec preferred_lft 41758sec

    inet6 fe80::5da8:4c1b:d2ba:ea48/64 scope link 

       valid_lft forever preferred_lft forever

3: enp1s2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000

    link/ether 00:05:5d:02:a2:1f brd ff:ff:ff:ff:ff:ff

4: enp1s1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000

    link/ether 00:1b:2f:bf:15:e0 brd ff:ff:ff:ff:ff:ff

PCI :  Peripheral Component Interconnect 

Bus permettant d'ajouter des périphériques

postes1415@postes1415-System-Product-Name:~$ lspci | grep Ether

01:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8169 PCI Gigabit Ethernet Controller (rev 10)

01:02.0 Ethernet controller: VIA Technologies, Inc. VT6102/VT6103 [Rhine-II] (rev 43)

03:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8053 PCI-E Gigabit Ethernet Controller (rev 19)

interface (carte mère)

enp3s0 

03:00.0

Bus : Slot

interface PCI

enp1s2

01:02.0

interface PCI

enp1s1

01:01.0

ip a flush dev enp1s1 

pour vider toutes les adresses ip qui ont été attribuées à l'interface enp1s1 pat exemple

arp

avec iproute2 on va utiliser la  commande suivante pour arp

ip neigh

pour vider la table  (arp -d)

ip -s -s neigh flush all

postes1415@postes1415-System-Product-Name:~$ ip neigh 

172.22.1.6 dev enp3s0 lladdr 00:21:5a:80:08:62 STALE

172.22.7.1 dev enp3s0 lladdr 60:36:dd:e7:62:01 REACHABLE

172.22.1.13 dev enp3s0  FAILED

172.22.1.1 dev enp3s0 lladdr 00:1b:2f:2e:d1:ed STALE

stale :  vicié

reachable :  accessible

ifup et ifdown  deviennent

sudo ip link set enp0s25 down

ou 

sudo ip link set enp0s25 up

Routage

ip route del all

efface toute la table de routage

Mettre une "gateway"

ip route add default via 192.168.0.254 dev enp0s8 onlink

ip route

default via 192.168.0.254 dev enp0s8 onlink

iproute2 / net-tools