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Heath Brown edited this page Apr 30, 2024 · 1 revision

IP Commands

IP Queries

ip addr

┌──(kali㉿kali)-[~]
└─$ ip addr
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: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 08:00:27:f2:48:4e brd ff:ff:ff:ff:ff:ff
    inet 10.0.2.15/24 brd 10.0.2.255 scope global dynamic noprefixroute eth0
       valid_lft 86382sec preferred_lft 86382sec
    inet6 fe80::dd54:acdb:d36c:66b7/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 08:00:27:81:83:81 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::543a:70d2:26da:d9f3/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever

ip addr show dev eth1

┌──(kali㉿kali)-[~]
└─$ ip addr show dev eth1
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 08:00:27:81:83:81 brd ff:ff:ff:ff:ff:ff

ip link

┌──(kali㉿kali)-[~]
└─$ ip link              
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 08:00:27:f2:48:4e brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 08:00:27:81:83:81 brd ff:ff:ff:ff:ff:ff

ip link show dev eth1

┌──(kali㉿kali)-[~]
└─$ ip link show dev eth1
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 08:00:27:81:83:81 brd ff:ff:ff:ff:ff:ff

ip -s link

┌──(kali㉿kali)-[~]
└─$ ip -s link           
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    RX:  bytes packets errors dropped  missed   mcast           
           480       8      0       0       0       0 
    TX:  bytes packets errors dropped carrier collsns           
           480       8      0       0       0       0 
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 08:00:27:f2:48:4e brd ff:ff:ff:ff:ff:ff
    RX:  bytes packets errors dropped  missed   mcast           
           590       1      0       0       0       0 
    TX:  bytes packets errors dropped carrier collsns           
          3220      25      0       0       0       0 
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 08:00:27:81:83:81 brd ff:ff:ff:ff:ff:ff
    RX:  bytes packets errors dropped  missed   mcast           
             0       0      0       0       0       0 
    TX:  bytes packets errors dropped carrier collsns           
         19451     116      0       0       0       0

ip -s link show dev eth1

┌──(kali㉿kali)-[~]
└─$ ip -s link show dev eth1
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 08:00:27:81:83:81 brd ff:ff:ff:ff:ff:ff
    RX:  bytes packets errors dropped  missed   mcast           
             0       0      0       0       0       0 
    TX:  bytes packets errors dropped carrier collsns           
         19451     116      0       0       0       0

ip route

┌──(kali㉿kali)-[~]
└─$ ip route                
default via 10.0.2.2 dev eth0 proto dhcp src 10.0.2.15 metric 100 
10.0.2.0/24 dev eth0 proto kernel scope link src 10.0.2.15 metric 100

ip maddr

┌──(kali㉿kali)-[~]
└─$ ip maddr
1:      lo
        inet  224.0.0.1
        inet6 ff02::1
        inet6 ff01::1
2:      eth0
        link  01:00:5e:00:00:01
        link  33:33:00:00:00:01
        link  33:33:ff:6c:66:b7
        inet  224.0.0.1
        inet6 ff02::1:ff6c:66b7
        inet6 ff02::1
        inet6 ff01::1
3:      eth1
        link  01:00:5e:00:00:01
        link  33:33:00:00:00:01
        link  33:33:ff:da:d9:f3
        inet  224.0.0.1
        inet6 ff02::1:ffda:d9f3
        inet6 ff02::1
        inet6 ff01::1

ip maddr show dev eth1

┌──(kali㉿kali)-[~]
└─$ ip maddr show dev eth1
3:      eth1
        link  01:00:5e:00:00:01
        link  33:33:00:00:00:01
        link  33:33:ff:da:d9:f3
        inet  224.0.0.1
        inet6 ff02::1:ffda:d9f3
        inet6 ff02::1
        inet6 ff01::1

ip neigh



ip neigh show dev eth1




ip help


ip addr help


ip link help


ip neigh help


Modifying Address and Link Properties


ip addr add 192.168.1.1/24 dev eth1


ip addr del 192.168.1.1/24 dev eth1


ip link set eth1 up


ip link set eth1 down


ip link set eth1 mtu 9000


ip link set eth1 promisc on


Adjusting and viewing routes


ip route add default via 192.168.1.1 dev eth1


ip route add 192.168.1.0/24 via 192.168.1.1


ip route add 192.168.1.0/24 dev eth1


ip route delete 192.168.1.0/24 via 192.168.1.1


ip route replace 192.168.1.0/24 dev eth1


ip route get 192.168.1.5


┌──(kali㉿kali)-[~]
└─$ ip route get 192.168.1.5
192.168.1.5 via 10.0.2.2 dev eth0 src 10.0.2.15 uid 1000 
    cache 


Managing the arp table


ip neigh add 192.168.1.1 lladdr 1:2:3:4:5:6 dev eth1


ip neigh del 192.168.1.1 dev eth1


ip neigh replace 192.168.1.1 lladdr 1:2:3:4:5:6 dev eth1


Useful Networking commands not from ip route


arpping -I eth0 192.168.1.1


arping -D -I eth0 192.168.1.1


ethtool -g eth0


ethtool -i eth0


ethtool -p eth0


ethtool -S eth0


ss -a


ss -e


ss -o


ss -n


ss -p


              


          



  
          

            


            
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