netflow

Welcome to the 'netflow' tag page at Technorati. This page features content from the farthest reaches of the Blogosphere that authors have "tagged" with 'netflow'.

Latest blogosphere posts tagged “netflow”

• IPv6 Interest Growing

  
  Systrax — Authority: 124
  As much as I would like to see more companies switch over to IPv6 it isn’t going to happen overnight.  Like anything involving an expensive migration process, you should ask yourself some questions. When do businesses need to move to the new system and what are the advantages of switching over to IPv6 ? Why make ...
  2 days ago

• NetFlow: Who are the Bandwidth Hogs?

  
  Systrax — Authority: 124
  Many NetFlow Reporting applications claim to tell you who the top 10 bandwidth hogs are by displaying the top 10 or so hosts for a time period based on total amount of traffic sent or received.  Yes, this is helpful but it can paint a distorted picture when it comes to network traffic analysis.  What about Flow ...
  5 days ago

• MySQL database repairs itself in Scrutinizer v7

  
  Systrax — Authority: 124
  A common occurrence and cause for data loss in Scrutinizer prior to version 7 has been crashed database tables.  It has also been the subject of many calls to our technical support group. Due to the large amount of NetFlow data received by NetFlow collectors, corrupted database tables can cause a large amount of ...
  6 days ago

• Cisco Nexus Series 7000 NX-OS and NetFlow

  
  Systrax — Authority: 124
  I took a call the other day from a customer who asked, “ How do I set up my router to send NetFlow to Scrutinizer ?” This is a question that I get on a pretty regular basis, so I strapped on my router config hat and got ready to throw out the typical IP FLOW commands to get the flows going. But then I asked for ...
  1 week ago

• Scrutinizer Gadget Hax! – The ethical kind that is…

  
  Systrax — Authority: 124
  With today’s blog, I want to do two things for my customers : the first being to remind you that any custom report filters you create can be imported into MyView . Secondly, once you import that report into MyView, how to hack the bejeezus out of it to get what display you’d like. Let me explain… If you ...
  1 week ago

• Watch the Cisco ASA and NBAR NetFlow Reporting Webinar Recording

  
  Systrax — Authority: 124
  If you missed the NetFlow training webinars Plixer offered over the last three days, then feel free to watch the recording we made of Thursday’s presentation. The webinar, which covered Cisco ASA and NBAR NetFlow reporting, was presented by Scrutinizer NetFlow & sFlow Analyzer Product Manager, Michael ...
  1 week ago

• Cisco ASA and NBAR NetFlow reporting webinars

  
  Systrax — Authority: 124
  Join one of our upcoming webinars on Cisco ASA and NBAR NetFlow Reporting. Agenda - Cisco NetFlow: Intro and how to report on it. - Cisco ASA NetFlow exports and how to interpret the data. - Cisco NBAR reporting for layer 7 application reports (e.g. who is using: Skype, kazaa2, RTP, etc.). Register for one of the ...
  1 week ago

• NetFlow and holidays

  
  Systrax — Authority: 124
  Since Scrutinizer v7 and the data migration from v6 has been released, we have been just out straight with support, including sending upgrading instructions, assisting with upgrades, helping customers get acclimated to the totally new interface, and troubleshooting the inevitable issues that arise with a new release ...
  1 week ago

• Scrutinizer v7.3 – Flow Analytics – Top Flows

  
  Systrax — Authority: 124
  A couple of weeks ago I began a series of blogs that introduced you to the new Flow Analytic tools that are available with  Plixer International’s latest  NetFlow and sFlow analysis tool , Scrutinizer v7.3. Today I will be introducing you to the fourth of the new analytic tools now available ...
  2 weeks ago

• Best Practices in NetFlow QoS Reporting

  
  Systrax — Authority: 124
  Reporting on QoS using NetFlow is a fairly rudimentary report for even the most basic NetFlow reporting tools.  Although the name of this report differs from vendor to vendor, we are all talking about the same 8 bit ToS field of an IP datagram.  Sometimes mistakenly referred to as DSCP, this 1 byte value is used in ...
  2 weeks ago

• Best of the Best – NetFlow Blogs

  
  Systrax — Authority: 124
  Since the launch of our Systrax community website, we have written over three hundred blogs and generated two unique cases of Carpal Tunnel to bring you informative and sometimes quasi entertaining content . I think its time though to lasso in some of the highlights over the year into one summary blog for quick ...
  2 weeks ago

• What is VRF: Virtual Routing and Forwarding

  
  Systrax — Authority: 124
  Virtual routing and forwarding (VRF) is a technology included in IP (Internet Protocol) network routers that allows multiple instances of a routing table to exist in a router and work simultaneously. This increases functionality by allowing network paths to be segmented without using multiple devices. Because traffic ...
  2 weeks ago

• Cisco Catalyst 6509 Rap – Mix Master Mitch strikes again!

  
  Systrax — Authority: 124
  The holiday’s are nearly upon us, and in the spirit of giving, Mix Master Mitch has graced us with his latest rap video. This time around, Mitch decided to focus on setting up NetFlow on a Cisco Catalyst 6509 switch . Take a look. Read the lyrics Mix Master Mitch was also kind enough to give Systrax an ...
  2 weeks ago

• NetFlow issues: Catalyst 6513 TCAM Tables

  
  Systrax — Authority: 124
  I was working with a customer at a University in the Northeast.  He was having some TCAM overflow issues with his Cisco Catalyst 6513 and was looking at the NetFlow exports to see if it could help him get a better understanding of the issue.   I’m not sure NetFlow can be used to trouble shoot the issue he ...
  2 weeks ago

• Top Ten NM Requirements (Take Two)

  
  Daily Network Monitor — Authority: 412
  About a month ago we posted a blog with a link to a white paper on the top ten requirements for a network and systems management solution. Not long after it was posted a WhatsUp Gold user commented and told us he was disappointed with our list. It didn’t provide him with the broader information of the ...
  3 weeks ago

• Scrutinizer v7.3 – Flow Analytics – Breach Attempt Violation

  
  Systrax — Authority: 124
  Well it looks like our run of nice weather has ended here in Southern Maine. Saturday we had our first snow of the year. It was kind of a nice touch to be at a holiday party and have the snow falling outside. And then to wake up Sunday morning to find that the view outside your window is like that of a Currier and ...
  3 weeks ago

• Best Practices In Network Behavior Analysis: Part 2 of 2

  
  Systrax — Authority: 124
  Here is part 1 of this blog . Detecting DDoS Attacks A DDos attack is a tricky monster because it can look like legitimate traffic. We have come up with an agorithm for detecting DDoS attacks that from our tests seems to be accurate.  We say this because it largely reduces the risk of false positives. It involves ...
  3 weeks ago

• NetFlow Configuration Cheat – Interface configs killing you? Let us help!

  
  Systrax — Authority: 124
  Happy Friday everyone! The other day I was working with a new customer getting NetFlow export enabled on his Cisco 3800 routers. When I was explaining the concept of using the ip flow ingress command in enabling NetFlow per interface, he said: “I have to do that on all my interfaces?!? I have like ten ...
  3 weeks ago

• Best Practices in Network Behavior Analysis: Part 1 of 2

  
  Systrax — Authority: 124
  Many companies are primarily concerned with Internet security threats.  I feel that majority of security threats are derived internally. According to Forrester Research, the majority of security breaches involve internal employees, with some estimates as high as 85 percent . What I want to point out today is that ...
  3 weeks ago

• Packet Loss via Netflow: MFSN

  
  Systrax — Authority: 124
  I saw this post on the caida.org site regarding “Is there enough information available to determine packet loss?” and I think often times what the consumer is looking for is packet loss on the network and not NetFlow packets that are lost. The reply was: Each router maintains a flow sequence number that is ...
  3 weeks ago

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