Thanks, Iwase. It worked perfectly.
I think that BGP support is a strategy to facilitate a communication
between SDN networks and non-SDN networks. I mean, there's no reason to a
controller to implement a standard routing protocol like BGP in a
SDN-enabled environment. Am I right?
Helcio.
2016-07-19 2:49 GMT-03:00 Iwase Yusuke <iwase.yusu...@gmail.com>:
> Hi,
>
> On 2016年07月15日 00:41, helcio wagner wrote:
>
>> Hi, people.
>>
>> I've found a code about BGP in Ryu at this URL:
>>
>> https://ryu.readthedocs.io/en/latest/library_bgp_speaker.html
>>
>> I suppose it is not an application that can be used on execution of
>> 'ryu-manager', so I think it should to be executed as an ordinary Python
>> module. Am I right?
>>
>
> To execute BGPSpeaker in your RyuApp in a simple way, please instantiate
> BGPSpeaker in your RyuApp initialization process.
>
> http://ryu.readthedocs.io/en/latest/library_bgp_speaker_ref.html#ryu.services.protocols.bgp.bgpspeaker.BGPSpeaker
>
> Simultaneously, please note to register your
> handlers(best_path_change_handler,
> peer_down_handler, peer_up_handler) in order to get events from BGPSpeaker.
>
> e.g.)
> $ git diff
> diff --git a/ryu/app/simple_switch_13.py b/ryu/app/simple_switch_13.py
> index 3e7c598..9a31296 100644
> --- a/ryu/app/simple_switch_13.py
> +++ b/ryu/app/simple_switch_13.py
> @@ -21,6 +21,7 @@ from ryu.ofproto import ofproto_v1_3
> from ryu.lib.packet import packet
> from ryu.lib.packet import ethernet
> from ryu.lib.packet import ether_types
> +from ryu.services.protocols.bgp.bgpspeaker import BGPSpeaker
> class SimpleSwitch13(app_manager.RyuApp):
> @@ -29,6 +30,15 @@ class SimpleSwitch13(app_manager.RyuApp):
> def __init__(self, *args, **kwargs):
> super(SimpleSwitch13, self).__init__(*args, **kwargs)
> self.mac_to_port = {}
> + self.bgpspeaker = BGPSpeaker(
> + as_number=65000, router_id='10.0.0.1',
> + best_path_change_handler=self._best_path_change_handler)
> +
> + @staticmethod
> + def _best_path_change_handler(ev):
> + print('Best path changed: remote_as=%s prefix=%s '
> + 'next_hop=%s iis_withdraw=%s' %
> + (ev.remote_as, ev.prefix, ev.nexthop, ev.is_withdraw))
> @set_ev_cls(ofp_event.EventOFPSwitchFeatures, CONFIG_DISPATCHER)
> def switch_features_handler(self, ev):
>
>
> Thanks,
> Iwase
>
>
>> On the other hand, there is such an application in
>> '/ryu/ryu/services/protocols/bgp' directory. Its name is 'application.py'.
>> My point is: Does the controller become a BGP node when running that
>> application?
>>
>> Thanks in advance.
>>
>> Helcio.
>>
>>
>>
>> ------------------------------------------------------------------------------
>> What NetFlow Analyzer can do for you? Monitors network bandwidth and
>> traffic
>> patterns at an interface-level. Reveals which users, apps, and protocols
>> are
>> consuming the most bandwidth. Provides multi-vendor support for NetFlow,
>> J-Flow, sFlow and other flows. Make informed decisions using capacity
>> planning
>> reports.http://sdm.link/zohodev2dev
>>
>>
>>
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>>
------------------------------------------------------------------------------
What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
patterns at an interface-level. Reveals which users, apps, and protocols are
consuming the most bandwidth. Provides multi-vendor support for NetFlow,
J-Flow, sFlow and other flows. Make informed decisions using capacity planning
reports.http://sdm.link/zohodev2dev
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