Due to a ransomware attack, the wiki was reverted to a July 2022 version. . We apologize for the lack of a more recent valid backup.
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Introduction
In a datacenter environment, network administrators may want to lock down the topology of their network and not allow traffic to flow over links that they are not expecting. Also, cabling errors are common, and can lead to a topology being configured that was not intended. The network config link provider allows specifying the link topology via the netcfg mechanism, and disallows any links that are not in the defined configuration.
How to Use
Enable Network Config Link Provider
The openflow meta application contains openflow-base, hostprovider and lldpprovider.
You can set the following into ONOS_APPS environment variable to replace lldpprovider with netcfglinksprovider.
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export ONOS_APPS=drivers,openflow-base,hostprovider,netcfglinksprovider |
Alternatively, since Network Config Link Provider is an application, it can also be enabled/disabled dynamically through ONOS CLI
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app deactivate org.onosproject.openflow
app activate org.onosproject.openflow-base org.onosproject.hostprovider org.onosproject.netcfglinksprovider |
Provide Link Information in Network Config
You can upload hosts network config by POSTing a JSON file to:
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http://<ip>:8181/onos/v1/network/configuration/ |
Here is an example of a configuration that defines a set of links in a topology:
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