IP command syntax

OBJECT
The names of all objects may be written in full or abbreviated form, f.e. address is abbreviated as addr or just a.
link network device.
address protocol (IP or IPv6) address on a device.
addrlabel label configuration for protocol address selection.
neighbour ARP or NDISC cache entry.
route routing table entry.
rule rule in routing policy database.
maddress multicast address.
mroute multicast routing cache entry.
tunnel tunnel over IP.
xfrm framework for IPsec protocol.

Example:-

[rajesh@localhost ~]$ ip neighbour
192.168.150.1 dev eth0 lladdr 00:50:56:c0:00:08 DELAY
192.168.150.2 dev eth0 lladdr 00:50:56:fd:c8:aa STALE


[rajesh@localhost ~]$ ip addrlabel list
prefix ::1/128 label 0
prefix ::/96 label 3
prefix ::ffff:0.0.0.0/96 label 4
prefix 2001::/32 label 6
prefix 2001:10::/28 label 7
prefix 2002::/16 label 2
prefix fc00::/7 label 5
prefix ::/0 label 1


[rajesh@localhost ~]$ ip link stat
Command "stat" is unknown, try "ip link help".
[rajesh@localhost ~]$ ip link
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
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:b9:b0:d7 brd ff:ff:ff:ff:ff:ff
3: pan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
    link/ether be:1c:29:41:fb:35 brd ff:ff:ff:ff:ff:ff

 [rajesh@localhost ~]$ ip link show
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
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:b9:b0:d7 brd ff:ff:ff:ff:ff:ff
3: pan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
    link/ether be:1c:29:41:fb:35 brd ff:ff:ff:ff:ff:ff

Description:-
ip link - network device configuration
link is a network device and the corresponding commands display and change the state of devices.

[rajesh@localhost ~]$ ip addr 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
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:b9:b0:d7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.150.4/24 brd 192.168.150.255 scope global eth0
    inet 192.168.150.100/24 brd 192.168.150.255 scope global secondary eth0:0
    inet6 fe80::20c:29ff:feb9:b0d7/64 scope link
       valid_lft forever preferred_lft forever
3: pan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
    link/ether be:1c:29:41:fb:35 brd ff:ff:ff:ff:ff:ff

[rajesh@localhost ~]$ ip route list
192.168.150.0/24 dev eth0  proto kernel  scope link  src 192.168.150.4
169.254.0.0/16 dev eth0  scope link  metric 1002
default via 192.168.150.2 dev eth0  proto static

[rajesh@localhost ~]$ ip monitor
192.168.150.2 dev eth0 lladdr 00:50:56:fd:c8:aa REACHABLE
192.168.150.2 dev eth0 lladdr 00:50:56:fd:c8:aa STALE
192.168.150.2 dev eth0 lladdr 00:50:56:fd:c8:aa REACHABLE
^C

Comments

Post a Comment

Popular posts from this blog

Xmanager RHEL 6 xclock :command not found -- Resolved

Image
1) If your system is entitled to Red Hat support (or if it's a CentOS machine), just yum install xorg-x11-apps. other usefull yum(1) commands: yum provides '*/xclock' yum grouplist yum groupinstall 'X Window System' Ref: http://serverfault.com/questions/206961/xwindows-on-red-hat-linux 2)check /etc/ssh/sshd_config:- #X11Forwarding no X11Forwarding yes                          <---Make sure this is not commented #X11DisplayOffset 10 #X11UseLocalhost yes #PrintMotd yes #PrintLastLog yes #TCPKeepAlive yes #UseLogin no 3)Make Xmanage run in Passive mode 4) Putty Settings :- 5) Here's the output of the screen:
Read more

Racktable on ubuntu installation

Racktable dependency packages :- rajeshp@ubuntu01:~$sudo apt-get install apache2 apache2.2-common libapache2-mod-php5 \ php5-snmp php5-ldap php5 php5-common php5-gd curl php5-mysql \ mysql-client mysql-common mysql-server \ Add user for Racktable:- rajeshp@ubuntu01:~$sudo useradd -u 4000 -g users -s /sbin/nologin -c "RackTables User" -md /home/racktables racktables MYSQL for Racktables :- mysql> create database racktables; mysql> grant all on racktables.* to root; mysql> grant all on racktables.* to root@localhost; mysql> grant all on racktables.* to rackuser; mysql> grant all on racktables.* to rackuser@localhost; mysql> grant all on racktables.* to 'rackuser'@'localhost' identified by 'rackpw'; mysql> exit chown www-data:www-data secret.php; chmod 400 secret.php
Read more

RPM Tit-Bits ;-)

The -U qualifier is used for updating an RPM to the latest version, the -h qualifier gives a list of hash # characters during the installation and the -v qualifier prints verbose status messages while the command is run. Here is an example of a typical RPM installation command to install the MySQL server package: [root@localhost rajesh]# rpm -Uvh mysql-server-5.1.52-1.el6_0.1.x86_64 Preparing...        ####################### [100%]   1:mysql-server   ####################### [100%] Installing Source RPMs :- Compiling and installing source RPMs with Fedora can be done simply with the rpmbuild command [root@localhost rajesh]# rpmbuild --rebuild filename123.src.rpm [root@localhost rajesh]# rpm -qi openssh Name        : openssh                      Relocations: (not relocatable) Version...
Read more