Open Source Flow Monitoring and Visualization

[fancy_header3 textColor=”#25b6eb”]Open Source Flow Monitoring and Visualization[/fancy_header3] At the heart of any reasonably sized network, should be a solid strategy around flow collection, querying and visualization. Proper use of flow logs are crucial to SecOps/NetOps from triaging attacks to capacity planning and traffic trending. I remember some 20 years ago, the first time I saw… Continue reading Open Source Flow Monitoring and Visualization

Brent’s Technology Bookmarks from June

[fancy_header3 variation=”orange”]Brent’s Technology Bookmarks from June[/fancy_header3] Lots going on in the past couple of months. While current projects have me pretty busy I wanted to share some good reads and interesting developments in the industry. In no particular order: [fancy_list style=”circle_arrow” variation=”red”] Queueing in the Linux Network StackĀ – This is a fantastic breakdown of buffer… Continue reading Brent’s Technology Bookmarks from June

Getting Started With OVSDB

[fancy_header3 variation=”orange”]Getting Started With OVSDB[/fancy_header3] OVSDB (Open vSwtich Database) is a management protocol used to manipulate the configuration of Open vSwitches and more recently vendors have begun implementing OVSDB in their Ethernet switches firmware. Some of those vendor data plane implementations are already running OVS under the hood so the implementation should be relatively painless.… Continue reading Getting Started With OVSDB

Compiling Wireshark to Install the OpenFlow Dissector on a MAC

[fancy_header3 variation=”orange”]Compiling Wireshark to Install the OpenFlow Dissector on a MAC[/fancy_header3] [image_frame style=”framed_shadow” align=”center” alt=”OpenFlow from Package PPA” width=”520″]http://networkstatic.net/wp-content/uploads/2013/10/Wireshark-OpenFlow.jpeg[/image_frame] [note_box] Update: the OpenFlow dissector appears natively included in the nightly Ubuntu dev builds and even better, native in Fedora 19: ### Fedora 19 Wireshark Installation ### 1) sudo yum install wireshark 2) Nothing! Its that… Continue reading Compiling Wireshark to Install the OpenFlow Dissector on a MAC

Pre-Built OpenDaylight VM Images

[fancy_header3 variation=”orange”]Pre-Built OpenDaylight VM Images[/fancy_header3] [info_box]Update: We have new images for download now. Please see this post: [fancy_link link=”http://networkstatic.net/opendaylight-openstack-integration-devstack-fedora-20/” variation=”orange” target=”blank”]OpenDaylight OpenStack Integration with DevStack on Fedora[/fancy_link] There are more images on the OpenDaylight web site: [fancy_link link=”http://www.opendaylight.org/software” variation=”orange” target=”blank”] OpenDaylight Downloads Page[/fancy_link] [/info_box] While there is still some uncertainty on the platform details of… Continue reading Pre-Built OpenDaylight VM Images

Open Networking Summit 2013 Is Streaming

[fancy_header3 variation=”orange” ]Open Networking Summit 2013 Is Streaming[/fancy_header3] The Open Networking Summit 2013 is going to be live streaming a good chunk of the content. Thats outstanding since most people don’t get a chance to travel. The ONS is ground zero for SDN and specifically OpenFlow. It is a great mix of vendors, researchers and… Continue reading Open Networking Summit 2013 Is Streaming

Networking Field Day #5 – A Community Event

[fancy_header3 variation=”orange”]Networking Field Day #5 – A Community Event[/fancy_header3] [pullquote2 align=”right” variation=”orange” cite=” Franklin D. Roosevelt “]I’m not the smartest fellow in the world, but I can sure pick smart colleagues.[/pullquote2] Networking Field Day is upon us again. The days of March 6-8 some of the best in the business are going to be together… Continue reading Networking Field Day #5 – A Community Event

Installing Wireshark On Linux for OpenFlow Packet Captures

[fancy_header3 variation=”orange”]Installing Wireshark On Linux for OpenFlow Packet Captures[/fancy_header3] [warning_box]Update March 16, 2014: Fedora 20 has native Wireshark OpenFlow support. e.g: yum install wireshark [/warning_box] [note_box] Update: the OpenFlow dissector appears natively included in the nightly Ubuntu dev builds and even better, native in Fedora 19: ### Fedora 19 Wireshark Installation ### 1) sudo yum… Continue reading Installing Wireshark On Linux for OpenFlow Packet Captures