Pod MTU 值大于主机 flannel.1MTU 值

1. Canal 网络驱动下，Pod MTU 值大于主机 flannel.1MTU 值

1. 编辑配置映射文件

   kubectl --kubeconfig=kube_configxxx.yml edit configmaps -n kube-system canal-config

2. 在"type": "calico"下面添加"mtu": 1450

   

3. 删除 Canal Pod 让它重建

   kubectl --kubeconfig=kube_configxxx.yml get pod -n kube-system |grep canal | \

   awk '{print $1}' | \

   xargs kubectl --kubeconfig=kube_configxxx.yml delete -n kube-system pod