kube-proxy修改成ipvs模式

#（1）开启内核node节点内核参数

#vi /etc/sysctl.conf
net.ipv4.ip_forward = 1
net.bridge.bridge-nf-call-iptables = 1
net.bridge.bridge-nf-call-ip6tables = 1
# sysctl -p

#（2）安装ipvs相关软件包

yum -y install ipvsadm ipset

#（3）修改kube-proxy启动脚本文件

#/usr/lib/systemd/system/kube-proxy.service
[Unit]
Description=Kubernetes Kube-Proxy Server
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
After=network.target

[Service]
WorkingDirectory=/var/lib/kube-proxy
ExecStart=/usr/local/sbin/kube-proxy     --bind-address=0.0.0.0     --hostname-override=     --cluster-cidr=172.30.0.0/16     --kubeconfig=/opt/kubernetes/cfg/kube-proxy.kubeconfig     --masquerade-all     --feature-gates=SupportIPVSProxyMode=true     --proxy-mode=ipvs     --ipvs-min-sync-period=5s     --ipvs-sync-period=5s     --ipvs-scheduler=rr     --logtostderr=true     --v=2
Restart=on-failure
RestartSec=5
LimitNOFILE=65536

[Install]
WantedBy=multi-user.target

#（4）重启服务及验证

 systemctl daemon-reload
 systemctl restart kube-proxy
 systemctl status kube-proxy
 ipvsadm -L -n

原文地址：https://blog.51cto.com/1000682/2362853