ITQC/containernetworking-plugins
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Added vlan tag to the bridge cni plugin.

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With the VLAN filter, the Linux bridge acts more like a real switch, Allow to tag and untag
vlan id's on every interface connected to the bridge.

This PR also creates a veth interface for the bridge vlan interface on L3 configuration.

Related to https://developers.redhat.com/blog/2017/09/14/vlan-filter-support-on-bridge/ post.

Note: This feature was introduced in Linux kernel 3.8 and was added to RHEL in version 7.0.
This commit is contained in:
Sebastian Sch
2018-11-19 14:54:55 +02:00
parent dc536993e2
commit b69a2dd3d7
3 changed files with 251 additions and 26 deletions
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5
plugins/main/bridge/README.md
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@ -52,3 +52,8 @@ If the bridge is missing, the plugin will create one on first use and, if gatewa
* `hairpinMode` (boolean, optional): set hairpin mode for interfaces on the bridge. Defaults to false.
* `ipam` (dictionary, required): IPAM configuration to be used for this network. For L2-only network, create empty dictionary.
* `promiscMode` (boolean, optional): set promiscuous mode on the bridge. Defaults to false.
* `vlan` (int, optional): assign VLAN tag. Defaults to none.
*Note:* The VLAN parameter configures the VLAN tag on the host end of the veth and also enables the vlan_filtering feature on the bridge interface.
*Note:* To configure uplink for L2 network you need to allow the vlan on the uplink interface by using the following command ``` bridge vlan add vid VLAN_ID dev DEV```.