| 场景 | 存储/NAS 接入、突发流量防丢包 |
|---|---|
| 适用 | 以太网电口/部分光口 |
| 命令族 | flow-control / flowcontrol / flow-control |
华为 VRP
华为 VRP
[Huawei-GigabitEthernet0/0/1] flow-control receive ! 只对接收方向流控生效
! 也可：flow-control（双向）、flow-control send
<Huawei> display interface GigabitEthernet 0/0/1 | include flow思科 IOS
思科 IOS
SW-CORE-01(config-if)# flowcontrol receive on
SW-CORE-01(config-if)# flowcontrol send on
# 查看：show interfaces Gi1/0/1 flowcontrolH3C Comware
H3C Comware
[H3C-GigabitEthernet1/0/1] flow-control receive
! 也可：flow-control（双向）、flow-control send
<H3C> display interface GigabitEthernet 1/0/1 | include flow三厂默认均关闭。推荐只在需要方向开启：接收方拒收用 receive，发送方暂停对方用 send；双向全开在部分平台会互相影响。服务器端网卡也要同步开流控才真正有效。