Solutions

How to take a network capture using Wireshark

Wireshark is a free and open source packet analyzer that can be used to look at DDS traffic when debugging an issue. Sometimes RTI’s Support team will ask for a network capture when working to resolve an issue reported by a customer. While we have a more comprehensive Using Wireshark with RTI ...
hainsworth
Wed, 04/24/2024 - 13:33
52 reads — 0 comments

Admin Console fails to load Python configuration

In this article, we’ll tackle all the possible ways that Admin Console could fail while trying to load your Python environment and using Graphical Data Publishing (GDP). We’ll provide clear instructions on why it’s failing in each scenario and possible solutions. Python Executable not found This ...
jcpulido
Thu, 04/04/2024 - 02:13
129 reads — 0 comments

Why is Connext Micro logging [Module: 4, Errcode: 215]?

By default, RTI Connext Micro will let the Network stack select the interface that will be used to receive multicast traffic. This is done by simply using INADDR_ANY (which translates to 0.0.0.0) when setting the socket option to join a multicast group (that is IP_ADD_MEMBERSHIP). While this works ...
aromero
Mon, 04/01/2024 - 01:13
133 reads — 0 comments

High CPU usage after SHMEM resources are removed by a third-party

The shared memory built-in transport in RTI Connext uses IPC segments and semaphores under the hood to perform DDS communication between DomainParticipants. It is important that those IPC resources are not destroyed while RTI Connext applications are using them. Failure to do so may result in ...
scardenete
Wed, 02/14/2024 - 08:41
332 reads — 0 comments

Achieving low-jitter performance with Connext Pro

Achieving low jitter and more deterministic write times and real-time performance requires in-depth tuning at the OS layer and DDS layer. It tends to involve a long list of recommendations to apply e.g. you can see advice online that involves similar checklists. This article summarizes best practices, and we recommend exploring and testing all the recommendations listed here. ...
grayson
Wed, 11/22/2023 - 06:39
1024 reads — 0 comments

Why do I get 'User storage is not valid' error when I create a DDS Entity

The multiple APIs of Connext have an internal concept named User Storage, which is used to store API-specific data required for certain features. This concept is normally part of the DomainParticipant entities and is configured through code as a QoS. While the APIs will configure this concept ...
anunez
Fri, 10/20/2023 - 01:18
7053 reads — 0 comments

Disabling Multicast in Micro

There are three steps to take to configure Connext Micro not to use multicast. Set disable_auto_interface_config to true. Micro will scan the system for available interfaces and use them. Note, however, when this is set to true, Micro relies on just the manually added interfaces. Add an interface ...
AnthonyD
Tue, 06/06/2023 - 16:35
793 reads — 0 comments

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