CentOS 7 NIC Bond configuration

P1P1 p1p2 Two card to do bond step1) before doing, please backup the configuration of each NIC

1 log in to the server using the root account

2 cp p1p1 P1P2 Initial configuration of the NIC to the TMP directory for backup.

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[Email protected] ~]# cd/etc/sysconfig/network-scripts/

[email protected] network-scripts]# CP ifcfg-p1p1/tmp

[email protected] network-scripts]# CP ifcfg-p1p2/tmp

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2) Configure bond with the NMCLI command

Build Bond Configuration

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Nmcli con Add type Bond ifname bond0 mode 1

Nmcli con Add type bond-slave ifname p1p1 Master bond0

Nmcli con Add type bond-slave ifname p1p2 Master bond0

Note: P1p1 p1p2 is the name of the physical NIC

Bond's mode is as follows:

BALANCE-RR (0)-Polling mode (bond default mode)

Active-backup (1)--main standby mode (common)

Balance-xor (2)

Broadcast (3)

802.3AD (4)--Aggregation mode

Balance-tlb (5)

Balance-alb (6)

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3) Modify the bond0 NIC configuration

Modify the red content in the table below

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Cd/etc/sysconfig/network-scripts

[Email protected] network-scripts]# vim ifcfg-bond-bond0

Device=bond0

Bonding_opts=mode=active-backup

Type=bond

Bonding_master=yes

Bootproto=static---Change the original DHCP to static

Defroute=yes

Peerdns=yes

Peerroutes=yes

Ipv4_failure_fatal=no

Name=bond-bond0

uuid=f4146d29-d694-4f13-ae59-56f940c7d120

Onboot=yes

ipaddr=192.168.80.7---Configure the IP address assigned to the server

PREFIX=24--Configuring the subnet mask

gateway=192.168.80.1---Configuring the Gateway

Save and exit

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4) Restart the network

Systemctl Restart network– Restart Network Service

CAT/PROC/NET/BONDING/BOND0---View information about the Bond0 interface

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[Email protected] network-scripts]# cat/proc/net/bonding/bond0

Ethernet Channel Bonding driver:v3.7.1 (April 27, 2011)

Bonding mode:fault-tolerance (Active-backup)

Primary Slave:none

Currently Active SLAVE:P1P2

MII Status:up

MII Polling Interval (ms): 100

Up Delay (ms): 0

Down Delay (ms): 0

Slave INTERFACE:P1P1

MII Status:up

speed:10000 Mbps

Duplex:full

Link Failure Count:2

Permanent HW addr:f4:e9:d4:9a:f1:a0

Slave Queue id:0

Slave INTERFACE:P1P2

MII Status:up

speed:10000 Mbps

Duplex:full

Link Failure Count:2

Permanent HW ADDR:F4:E9:D4:9A:F1:A2

Slave Queue id:0

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---to complete the bond configuration---

This article is from the "Goodlife" blog, make sure to keep this source http://g00dlife.blog.51cto.com/12052420/1851628

CentOS 7 NIC Bond configuration