网卡聚合模式mode1为什么交换机不用配置

2025-03-15 11:00:18
推荐回答(2个)
回答1:

网卡bond是通过把多张网卡绑定为一个逻辑网卡,实现本地网卡的冗余,带宽扩容和负载均衡。在应用部署中是一种常用的技术,我们公司基本所有的项目相关服务器都做了bond,这里总结整理,以便待查。

bond模式:

Mode=0(balance-rr) 表示负载分担round-robin,和交换机的聚合强制不协商的方式配合。
Mode=1(active-backup) 表示主备模式,只有一块网卡是active,另外一块是备的standby,这时如果交换机配的是捆绑,将不能正常工作,因为交换机往两块网卡发包,有一半包是丢弃的。
Mode=2(balance-xor) 表示XOR Hash负载分担,和交换机的聚合强制不协商方式配合。(需要xmit_hash_policy)
Mode=3(broadcast) 表示所有包从所有interface发出,这个不均衡,只有冗余机制...和交换机的聚合强制不协商方式配合。
Mode=4(802.3ad) 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)
Mode=5(balance-tlb) 是根据每个slave的负载情况选择slave进行发送,接收时使用当前轮到的slave
Mode=6(balance-alb) 在5的tlb基础上增加了rlb。
5和6不需要交换机端的设置,网卡能自动聚合。4需要支持802.3ad。0,2和3理论上需要静态聚合方式
但实测中0可以通过mac地址欺骗的方式在交换机不设置的情况下不太均衡地进行接收。

回答2:

不知道

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