On Wed, 20 Mar 2019 07:35:02 +0900,
willian C wrote:
> I am new to Ryu and studying about how to perform topology discovery for
> multidomain controllers. It would be helpful if anyone could provide a
> hint/solution.
Have you checked this?
https://ryu.readthedocs.io/en/latest/gui.html
I canno
Hello everyone, I am new to Ryu and studying about how to perform topology discovery for multidomain controllers. It would be helpful if anyone could provide a hint/solution. Thanks,Willian
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Hi,
Thanks for sharing your app.
@set_ev_cls(event.EventSwitchEnter)
def get_topology_data(self, ev):
global switches
switch_list = get_switch(self.topology_api_app, None)
switches=[switch.dp.id for switch in switch_list]
self.datapath_list=[switch.dp
I wrote the following simple code to see how RYU works. Based on the code,
I can see the list of switches. However, the links between switches
(wireless) are empty.
from ryu.base import app_manager
from ryu.controller import ofp_event
from ryu.controller.handler import CONFIG_DISPATCHER, MAIN_
Hi,
When (or in which handler) do you call "get_link()" API?
Early point of starting up? For example, in your app's "__init__()" or
"switch_features_handler()", topology service could not yet discover links.
To discover all links, it will take some seconds and you need to wait for it.
For anothe
Thank you for your reply.
I added the same code. However, I only can see the list of switches and the
list of links is empty (Links between switches are wireless.)
I used the following lines to see links.
links_list = get_link(self.topology_api_app, None)
print links_list
Do you
Hi,
You can enables the LLDP topology discovery feature, provided by "ryu.topology"
module, to discover switches (and hosts) on your topology.
https://github.com/osrg/ryu/blob/master/ryu/topology/api.py
https://github.com/osrg/ryu/blob/master/ryu/topology/event.py
=
...(snip)...
Hello,
I am new to Ryu controller. I have a wireless network with two
openvswitch(running on wireless nodes) both of them connected to Ryu.
Could you guide me how to enable topology discovery for this
wireless network in Ryu?
Using other SDN controllers, after connecting Openvswitches to the
con
Hi,
As far as I know, Ryu's topology discovery service handles only LLDP.
Sorry I don't know the details about topology discovery of wireless networks,
it requires some
modification on Ryu if wireless networks need the specific protocol handling.
Thanks,
Iwase
On 2017年11月02日 07:01, Sgh snhz w
Hello,
I want to use Ryu to control a mobile adhoc network. I am new to Ryu and I
don't know if this controller has any topology discovery service for
wireless networks. Since the links are different from links discovered in
wired networks so the way of topology discovery should be different.
Is
Thanks for the prompt reply Satoshi.
I was aware that OVS 2.5 for example did not support all OpenFlow 1.5
features but thought maybe OVS 2.7 had added support for the remaining ones.
— Khubaib
On Wed, Apr 19, 2017 at 5:08 AM, Fujimoto Satoshi <
satoshi.fujimo...@gmail.com> wrote:
> Hi, Khubaib
Hi, Khubaib
Unfortunately, there is no switch which fully supports OpenFlow1.5,
so currently the topology api probably not be able to work successfully
with OpenFlow1.5...
Thanks,
Fujimoto
On 2017年04月18日 16:18, Khubaib wrote:
The topology api doesn't work with OpenFlow1.5 because that versio
The topology api doesn't work with OpenFlow1.5 because that version isn't
included in the supported versions is switches.py for example. Including
that and making some tweaks allows me to see the switches but not the links
between them.
Is there a way to do that?
— Khubaib
---
Hi Iwase,
Thanks for reply.
-Yi
2017-04-02 19:27 GMT-07:00 Iwase Yusuke :
> Hi Yi,
>
>
> On 2017年04月01日 05:26, Yi Tseng wrote:
> > Hi,
> >
> > Please don't drop mailing list.
> >
> > It looks like the host discovery handler didn't handle the packet in
> message
> >
> > The reason I guess is tha
Hi Yi,
On 2017年04月01日 05:26, Yi Tseng wrote:
> Hi,
>
> Please don't drop mailing list.
>
> It looks like the host discovery handler didn't handle the packet in message
>
> The reason I guess is that the packet in message was dropped by host
> discovery handler.
>
> The handler only drop LLDP
Hi,
Please don't drop mailing list.
It looks like the host discovery handler didn't handle the packet in message
The reason I guess is that the packet in message was dropped by host
discovery handler.
The handler only drop LLDP and CFM message.
I guess there is no correct packet in message sen
I think currently there is no "--observe-hosts" option for Ryu now.
If your OpenFlow version is 1.3, you should install packet lost flow in
switch first.
Ryu use packet-in message to discover hosts
Yi
2017-03-17 12:35 GMT-07:00 Edison Albuquerque :
> OK.
> I'll do it this weekend.
> Openflow
Hi
Please don't drop mailing list.
1. Can you paste your debug information here? (with "--verbose"), to make
sure anything works fine.
2. What version OpenFlow you are use?
3. Can you show flows in the switch?
Thanks
Yi
2017-03-17 4:21 GMT-07:00 Edison Albuquerque :
> Thanks.
> In Mininet
Hi,
Host should be discovered when a host sent a packet (ip, arp...)
Yi
2017-03-16 7:49 GMT-07:00 Edison Albuquerque :
> Using the code that is inside Ryu Manual, I was able to see the switches
> of the network I created with Mininet, as well as see the links between
> them.
> I changed the cod
Using the code that is inside Ryu Manual, I was able to see the switches of
the network I created with Mininet, as well as see the links between them.
I changed the code a little bit to include get_host() but could not see the
hosts. All I see is an empty list.
Is it possible to discovery the topol
Hi,experts!
I am new for ryu development and need ur nice help. I have a problem on
the Topology Discovery and Flow Entry. I only find some def. from
/ryu/topology/switches.py like get_link, get_switch. But I wonder if there
exist some module in RYU that can transfer topology i
Try to run dumper only.
$ ryu-manager --verbose --observe-links ryu/topology/dumper.py
After the following commit, switches.py is loaded automatically by dumper.py.
https://github.com/osrg/ryu/commit/e64bb2b43fe3e3e308ce9501ddf81cb5ed59d408
(2013/04/24 10:42), Nikhil wrote:
> sudo ryu-manager --
sudo ryu-manager --verbose --observe-links ryu/topology/switches.py
ryu/topology/dumper.py
[sudo] password for sdn:
loading app ryu/topology/switches.py
loading app ryu/topology/dumper.py
loading app ryu.controller.ofp_handler
creating context switches
instantiating app ryu/topology/dumper.py
insta
Hi Nikhil,
(2013/04/23 15:23), Nikhil wrote:
> Hi,
>
>
>
> When i ran ryu topology application with mininet tree topology
>
>
>
> ./bin/ryu-manager --verbose --observe-links ryu/topology/switches.py
> ryu/topology/dumper.py
>
>
> I am getting below error (exception)
>
> assert not app.name in SERV
Hi,
(2013/04/04 10:20), Karthik Sharma wrote:
> Hi,
>
> I'm new to openVswitch and Ryu. There is a description about using Ryu Network
> Operating System with OpenStack as Openflow controller in Ryu 1.2
> documentation.
> However, this instruction is a little bit complicated for anewbie like me,
>
Hi,
I'm new to openVswitch and Ryu. There is a description about using Ryu Network
Operating System with OpenStack as Openflow controller in Ryu 1.2
documentation.
However, this instruction is a little bit complicated for anewbie like me,
so I'm thinking about using openVswitch directly with Ryu w
Hi,
I was going through ryu code I came across the file ryu/topology/switches.py
>From the commit comments I understood that it exposes a REST api interface
for topology discovery probably using Link Layer Discovery or similar.I
want to use that feature.Currently I am using ryu-manager version 1
The latest patches are at
http://thread.gmane.org/gmane.network.ryu.devel/467
On Mon, Oct 15, 2012 at 03:13:20PM -0300, Ramon Marques wrote:
> Hi,
>
> Is there any application in Ryu to discover the topology?
>
> Best regards
> --
> Ramon Marques Ramos
>
> Engenheiro de Computa??o
> Mestrando e
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