CentOS Linux 7.4 网卡绑定mode4

Posted 2023-03-31

参考技术A mode=4(802.3ad)(IEEE 802.3ad 动态链接聚合)

表示支持802.3ad协议，和交换机的聚合LACP方式配合（需要xmit_hash_policy）.标准要求所有设备在聚合操作时，要在同样的速率和双工模式，而且，和除了balance-rr模式外的其它bonding负载均衡模式一样，任何连接都不能使用多于一个接口的带宽。

[root@01 ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp175s0f1

TYPE=Ethernet

BOOTPROTO=none

NAME=enp175s0f1

DEVICE=enp175s0f1

ONBOOT=yes

MASTER=bond4

SLAVE=yes

[root@01 ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp176s0f1

TYPE=Ethernet

BOOTPROTO=none

NAME=enp176s0f1

DEVICE=enp176s0f1

ONBOOT=yes

MASTER=bond4

SLAVE=yes

[root@01 ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond4

DEVICE=bond4

NAME=bond4

TYPE=bond

BONDING_MASTER=yes

IPADDR=192.168.1.100

PREFIX=24

GATEWAY=192.168.1.1

PEERDNS=yes

ONBOOT=yes

BOOTPROTO=static

BONDING_OPTS="mode=802.3ad miimon=100 lacp_rate=fast"

[root@01 ~]# ethtool bond4

Settings for bond4:

Supported ports: [ ]

Supported link modes:  Not reported

Supported pause frame use: No

Supports auto-negotiation: No

Advertised link modes:  Not reported

Advertised pause frame use: No

Advertised auto-negotiation: No

Speed: 20000Mb/s

Duplex: Full

Port: Other

PHYAD: 0

Transceiver: internal

Auto-negotiation: off

Link detected: yes

[root@01 ~]# cat /etc/redhat-release

CentOS Linux release 7.4.1708 (Core)