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networking-vpp/README_taas.txt

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Port mirroring support
======================
Networking vpp supports remote port mirroring. This functionality
is intended to be used for debugging and troubleshooting.
For this purpose, networking-vpp implements a driver for the extension
neutron/tap-as-a-service
(https://git.openstack.org/cgit/openstack/tap-as-a-service/).
1. Installation
- Install the neutron extension: openstack/tap-as-a-service
- Update the ml2 plugin configuration files
Add the following lines to the ML2 configuration
(likely /etc/neutron/plugins/ml2/ml2_conf.ini) on any hosts running
VPP and its agent (e.g. compute hosts):
[ml2_vpp]
driver_extensions = taas_driver
vpp_agent_extensions = taas_agent
- Update the taas configuration
Add the following lines to the ML2 configuration on the Neutron server:
[service_providers]
service_provider = TAAS:TAAS:networking_vpp.taas_vpp.TaasEtcdDriver:default
2. Usage
See the documentation of Tap as a service
(https://git.openstack.org/cgit/openstack/tap-as-a-service/). This
implements the standard service API.
3. Known Limitations
- Live migration is not supported by this version.
- vxlan support is currently preliminary.