10 posts categorized "TAPs" Feed

LMTV LIVE | How to Improve Network Troubleshooting (with Keith Bromley and Bill Coon)

With Paul Offord of Advance7 hosting, Keith Bromley from Keysight Technologies (formerly Ixia) and Bill Coon from Riverbed will be talking about how to use network visibility to improve troubleshooting.

According to an Enterprise Management Associates report (Network Management Megatrends 2016), IT teams already spend around 36% of their daily efforts on reactive troubleshooting efforts. In addition, pressure can increase exponentially on IT personnel as problem resolution time increases, since it directly correlates to network and application slowness and downtime. There is a new LMTV event happening on February 21, 2018. Keith Bromley from Keysight Technologies (formerly Ixia) and Bill Coon from Riverbed will be talking about how to use network visibility to improve troubleshooting. According to an Enterprise Management Associates report (Network Management Megatrends 2016), IT teams already spend around 36% of their daily efforts on reactive troubleshooting efforts. In addition, pressure can increase exponentially on IT personnel as problem resolution time increases, since it directly correlates to network and application slowness and downtime. 

Continue reading "LMTV LIVE | How to Improve Network Troubleshooting (with Keith Bromley and Bill Coon)" »


[Analysis] Full Duplex Capture in SCADA and Industrial Control Networks (by Thomas Tannhäuser and Alexander Pirogov)

Why SPAN Ports Should Not be Used in Security Solutions

Image-header

The convergence of IT and OT (Operational  Networks) in the context of Industry 4.0 has led to a crowded market of security solutions targeting the shop floor on different levels. While the security of the legacy IT systems was part of the initial planning of those systems, the industry now faces the challenge to integrate security solutions in legacy OT systems.

Continue reading "[Analysis] Full Duplex Capture in SCADA and Industrial Control Networks (by Thomas Tannhäuser and Alexander Pirogov)" »


LMTV LIVE | How to Create Scalable Visibility in your Data Center (with Chris Bihary of Garland Technology)



YouTube LIVE event start time: Wednesday, July 19, 2017, 9:30 AM PST


Garland170x200How do you scale your network infrastructure to support multiple monitoring tools - while ensuring 100% packet capture?

This is the problem we have been hearing in the last few years. Data centers (D1 & D2) and enterprise networks have many challenges and two of the big ones are providing the IT department anytime access to full-duplex traffic, while guaranteeing full packet capture. Now layer on top of that a stack of 1G legacy monitoring tools in addition to the migration to 10G/40G and 100G speeds.

Join us for to learn about the latest visibility solution from Garland Technology’s as they introduce and demonstrate their Passive Fiber Modular Chassis System, a flexible, scalable and affordable high density solution for managing up to 24 links in a 1U box at network speeds of 1G/10G/40G/100G.


Click to read other LMTV posts by contributors of LoveMyTool »


Are My Packets Lying? – Four Things To Look For In Packet Traces (by Chris Greer)

Blog-Are my Packets Lying

Packets don’t lie – well, most of the time.

Packets will tell you the truth unless they have been captured incorrectly. In those cases, packets can tell bold-faced lies.

When digging through trace files, we can come upon symptoms in the packets that may raise an eyebrow. These are events that look strange on the surface and may even divert our troubleshooting focus for a time. In fact, some of these issues have misdirected engineers for hours, if not days, causing them to chase down issues and events that simply did not exist on the wire.

Most of these examples can be avoided simply by capturing the packets from a tap rather than on the machine generating the traffic. Come on, you know you have needed a tap for a while! Just spring for one and capture correctly next time. By the way, when you do make that decision, check out our buddies at Garland Technology. They make great stuff and they are nice people too!

  1. Very large packets

Continue reading "Are My Packets Lying? – Four Things To Look For In Packet Traces (by Chris Greer)" »


Give me PACKETS!! (by Mike Canney)

Give me Packets!

I have been troubleshooting “network” problems for over two decades.  From mom and pop small businesses to Fortune 10.  Literally thousands of companies.  As far as tools go, I’ve used just about all of them.  From the Network General Sniffer, Novell LanAlyzer, Optimal’s Application Expert/Vantage, Compuware Ecoscope, Cinco NetXray to Wireshark and back.  

You would be hard pressed to find something that is somewhat mainstream that analyzes packets that I haven't used to find and solve network and application issues. Flower issueI’ve have also used the majority of the popular APM/NPM tools on the market for monitoring Network and Application Performance (I won’t list them).  The one thing in common is that they’ve all been useful in their own right.  Understanding at a high level of what traffic is on the network and an inclining of ‘potential’ application performance issues. 

 

Continue reading "Give me PACKETS!! (by Mike Canney)" »