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juniper jflow

Posted on 2014-11-08
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I have an ex4200 juniper switch and from my understanding it supports jflow and sflow. What is the advantage to configure jflow over sflow? Should I configure jflow rather than sflow? Thanks
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Question by:leblanc
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dpk_wal earned 1200 total points
ID: 40432181
EX4200 supports sflow, please have a look at links below to enable/configure sflow:
http://kb.juniper.net/KB14855
http://www.juniper.net/techpubs/en_US/junos14.2/topics/example/sflow-configuring-ex-series.html

Difference between Jflow and sflow:
http://blog.sflow.com/2009/05/sflow-and-netflow.html

Thank you.
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LVL 32

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by:harbor235
harbor235 earned 800 total points
ID: 40432679
SFLOW is a standard while JFLOW is a proprietary format, but I agree with dpk_wal the ex4200 only supports
sflow. Make sure you obtain collector tools that work with SFLOW.


harbor235 ;}
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by:leblanc
ID: 40432806
Collector tools? I am using Scrutinizer from Plixer and Paesler as my 2 collectors.  Also, can sflow has several collectors? The reason I ask is because I see the existing sflow configuration already has a collector. Thx
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by:harbor235
harbor235 earned 800 total points
ID: 40433056
Looks they both support SFLOW, yes you can specify more than one collector. Remember, depending on your sampling rate and device capabilities you need to watch out how many collectors you specify. If you only have two you should be fine, watch your CPU utilization. I am not sure how robust the EX4200 system CPU etc .. is .


harbor235 ;}
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