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This article is about how to set up double network card binding Bond in CentOS6. The editor thinks it is very practical, so I share it with you. I hope you can get something after reading this article. Let's take a look at it.

1. Run the network connection program

"System"-"Preferences"-"Network Connections"

Locate the available network cards eth0 and eth2 and write down the MAC address. The network card with small MAC address is the first network card.

Set 2 network cards to connect automatically.

2. Enable Bond

Follow the prompts to modify parameters

Modify / etc/sysconfig/network file

NM_BOND_BRIDGE_VLAN_ENABLED=yes

Restart network services

-- # Service NetworkManager restart

3. Add bond

Enter and run the network connection program

[Add]-- [bond]-- [Create]

Remove the space in the middle of the name, and the name is: BondConnection0

Add a connection to bond0 [Add]-- [Wired]-- [Create]

Change the name to remove the space bond0slave1, select [Connect automatically], copy the MAC address of eth0 to this device MAC, [Apply]

In the same way, use the MAC address of the second network card to generate bond0slave2

Modify parameters

Mode: Active backup

Primary: bond0slave1

Monitoring frequency: 100ms

[Apply]

Configure IPv4

-- # service NetworkManager restart

4. Check whether the network card is connected

Add IP,ping check

Reply from 192.168.8.42: bytes=32 time

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