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Categories:- Unix Commands

Command To check Network Bonding / NIC Teaming in Centos/RHEL

Network Bonding / NIC Teaming  is creation of a single bonded interface by combining 2 or more Ethernet interfaces. This helps in high availability and performance improvement.

 

Step:1 Check the  bond interface using ifconfig Command as shown below :

 

[root@localhost ~]# ifconfig | grep -i bond

 

 

 

 

Step:2  Bond interface files

 

[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond0

 

BONDING_OPTS="mode=1 primary=eth0 miimon=100"
ONBOOT=yes
DEVICE=bond0
BOOTPROTO=none
BRIDGE=br0
TYPE=BOND

 

Step:3 Status of Bond interfaces

 

[root@localhost ~]# cat /proc/net/bonding/bond0

 

 

According the Output , Active Passive Bonding is configured , where eth0 and eth4 are bonded together and form the bond interface(i.e bond0) . Lan cards eth0 & eth4 both are up and  eth0 is active .

 

 

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