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Questions tagged [onos]

ONOS (Open Network Operating System) is an open source SDN controller platform.

61 questions
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java.lang.NoSuchFieldError: DEF_CONTENT_CHARSET

I am trying to run a java program and I am getting the following run time error.The error is shown below. Exception in thread "main" java.lang.NoSuchFieldError: DEF_CONTENT_CHARSET at…
liv2hak
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ONOS Service Start FrameworkEvent Error and GUI not ready yet

I have installed ONOS 2.3.0 on an Ubuntu Server 18.04.4 virtual machine running on Hyper-V following this steps (taken from here and here): Firstly, I have installed Java 11 (openjdk-11-jdk and openjdk-11-jre), maven and curl; then I have…
hwktmp
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Catch events on ONOS REST API Applications

I'm using ONOS as my SDN Controller, REST in NB and Netconf in SB. I can send data over these layers, catch response and analyse them. Now, the question is how to receive events in REST API APPs. I mean there be no need for the APPs to send request…
Majid Roustaei
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How to import Apache Kafka in OSGi / Karaf

I am trying to import and use Apache Kafka producer within an application of a much bigger project (onosproject.org) developed with Karaf. My application is referencing four services of which only one is satisfied, resulting in unsatisfied…
Kyr
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PYTHON script using OS commands to start ONOS controller, RYU Controller and add ISP router flows? (GNS3)

Within a UBUNTU VM, using GNS3 I created code that is an attempt to perform 3 different outcomes, since these programs can't run mutally in the same terminal however I'm not sure how to seperate them into seperate terminals and add delays inbetween…
Brodie Anderson
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It is possible to connect 1 host to 2 different switches with SDN-ONOS controller?

I want to create a simple topology with 2 hosts (h1,h2) and 2 switches (s1,s2), but i want to connect h1 to s1 and s2 at the same time but i will activate only 1 connection as needed. Like this(where green link is an activate and the red one is…
Duarte Pereira
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ONOS rest api configuration to handle cors error

I am using reactjs to show ONOS data. But I am getting CORS error when fetching onos rest api url. How to configure rest api to overcome this problem. I did not find any documentation. Please helo me. Thanks in advance.
Agniswar Chakraborty
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Unable to load bundle in Karaf

I’m following this tutorial https://wiki.onosproject.org/display/ONOS/Template+Application+Tutorial for creating a CLI command that allows me to block an OF switch’s interface throught intent. I built ONOS using Bazel as suggested here…
Ondescone
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Although I can reach ONOS CLI, I cannot reach http://localhost:8181/onos/ui

I have been worked with ONOS controller for a time. Today, I started onos with "bazel run onos-local --clean debug" command. Onos started to work, I can reach CLI of controller. However I cannot reach to http://localhost:8181/onos/ui GUI as I used…
ugurtosun
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ONOS vs Opendaylight what are the factors need to be considered

What all factors need to be considered when I have to choose between ONOS and Opendaylight ? ONOS focuses on performance and scalability ,whereas ODL focuses on bringing Legacy and NGN together This is what I found on internet. All the references…
Jerry
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java.lang.OutOfMemoryError when running bazel build

I have been trying to install the ONOS controller on my Ubuntu VM on my MAC computer following the steps in this link: Download ONOS code & Build ONOS. However, the building process is not successful after executing the following command: ~/onos$…
Mo Mo
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1 answer

Change Open vSwitch's flow table size

I have a question. I have now configured the topology using mininet. Here I want to limit the flow table size of the switch. Is there a way to limit the flow table size of the switch??? Or can OpenVSwitch limit it? Thank you.
장예훈
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Catch NETCONF Notification on ONOS

I'm working on SDNs and trying so send data from SB to ONOS and I've used NETCONF as its protocol. is ONOS able to get the message when my NETCONF agent sends notofication? if yes, where does it save the messages and how can I access them?
Majid Roustaei
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ONOS Rest API Configuration

I am working on ONOS Virtual Box instance version 3.0.3. I am unable to configure the Swagger auto generated API documentation using the standard uri http://>/v1/docs. I have been able to install POSTER extension and can do GET / HEADER method call…
Raju
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How to get the traffic flow statistics of each switch/device using ONOS controller?

I am new to building ONOS SDN controller apps. How do we get the traffic flow statistics for all switches/devices ? Any help with the guidelines/documentation would be of great help.
Arjun Chandrasekhara
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