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In order to announce the public prefixes to other networks, we should also configure the BGP speaker in local SDN network with all the public prefixes.
ONOS Configuration
Usually a network is assigned with several public IP prefixes. Besides those public IP prefixes, the network administrator may also want to use some private IP prefixes locally. For all those IP prefixes, we configure them in configuration file “network-cfg.json” which is located at onos/tools/package/config/network-cfg.json.
Scenario 1:
Even if you only want run reactive routing for local traffic, which means case 2 above. You still need to run SDN-IP APP. But in this case, you do not need to configure the BGP speaker as described in section "BGP Speaker Configuration" above.
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