flannel2

cni环境和文件

https://help.aliyun.com/zh/ack/ack-managed-and-ack-dedicated/user-guide/faq-about-container-networks

https://medium.com/@anilkreddyr/kubernetes-with-flannel-understanding-the-networking-part-2-78b53e5364c7

https://github.com/flannel-io/cni-plugin

https://juejin.cn/post/7103422615062052895

 

安装

https://www.yxingxing.net/archives/kubernetes-20200307-flannel-cni

https://github.com/lefeck/document/blob/master/kubernets文档.md

 

cni权限

https://note.qidong.name/2023/02/k8s-cap-net-admin/

securityContext: capabilities: add: ["NET_ADMIN"]

 

cni排查

https://kubernetes.io/docs/tasks/administer-cluster/migrating-from-dockershim/troubleshooting-cni-plugin-related-errors/

https://kubernetes.io/zh-cn/docs/tasks/administer-cluster/migrating-from-dockershim/troubleshooting-cni-plugin-related-errors/

https://github.com/flannel-io/flannel/blob/master/Documentation/troubleshooting.md

 

安装条件

https://kubernetes.io/zh-cn/docs/setup/production-environment/tools/kubeadm/install-kubeadm/

• 你可以使用命令 ip link 或 ifconfig -a 来获取网络接口的 MAC 地址
• 可以使用 sudo cat /sys/class/dmi/id/product_uuid 命令对 product_uuid 校验

https://stackoverflow.com/questions/72506495/install-k8s-on-ubuntu-product-uuid-or-machine-id

 

 

 

/usr/sbin/ethtool -K flannel.1 tx-checksum-ip-generic off

https://github.com/flannel-io/flannel/blob/master/Documentation/troubleshooting.md

 

ipam

https://www.alibabacloud.com/help/en/vpc/user-guide/ip-address-management-ipam/

https://www.cni.dev/docs/

https://www.cni.dev/plugins/v0.9/meta/flannel/

https://docs.kics.io/1.7.7/queries/kubernetes-queries/03aabc8c-35d6-481e-9c85-20139cf72d23/

https://www.zhaowenyu.com/flannel-doc/principle/cni.html

https://docs.openshift.com/container-platform/4.12/networking/multiple_networks/configuring-additional-network.html

 

https://github.com/flannel-io/flannel/tree/master/dist