k8s版本:v1.10.4
法兰绒版本:v0.10.0
docker版本v1.12.6
当我使用命令时brctl show
在节点上,如下所示:
[root@node03 tmp]# brctl show
bridge name bridge id STP enabled interfaces
cni0 8000.0a580af40501 no veth39711246
veth591ea0bf
veth5b889fed
veth61dfc48a
veth6ef58804
veth75f5ef36
vethc162dc8a
docker0 8000.0242dfd605c0 no
it shows that the vethXXX are binding on network bridge named cni0, but when i use command `ip addr`,it shows :
[root@node03 tmp]# ip addr |grep veth
6: veth61dfc48a@if3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue master cni0 state UP
7: veth591ea0bf@if3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue master cni0 state UP
9: veth6ef58804@if3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue master cni0 state UP
46: vethc162dc8a@if3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue master cni0 state UP
55: veth5b889fed@if3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue master cni0 state UP
61: veth75f5ef36@if3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue master cni0 state UP
78: veth39711246@if3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue master cni0 state UP
these veth are all binding on `if3` ,but `if3` is not cni0.it is `docker0`
3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN
好像是网桥docker0
是没用的,但是ip addr
显示所有 veth 设备都绑定在其上。网桥起什么作用docker0
用 flannel 在 k8s 中玩?谢谢