August 2018
Beginner
462 pages
12h 36m
English
Content preview from Learning OpenStack Networking - Third Edition
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Tunnel bridge
The tunnel bridge is a virtual switch, similar to the integration and provider bridges, and is used to connect GRE and VXLAN tunnel endpoints. Flow rules exist on this bridge that are responsible for properly encapsulating and decapsulating tenant traffic as it traverses the bridge.
The tunnel_bridge configuration option specifies the name of the tunnel bridge. The default value is br-tun and should not be modified. It is not necessary to create this bridge manually since Neutron does this automatically.
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