NBAR Based on File Name

Unanswered Question
Jun 12th, 2008

What cmd would I use to priortize data based on filename? For example, I have one file called HIGH.txt (30mb) and a second file called LOW.txt (30mb). Using NBAR, prority should be given to HIGH.txt before LOW.txt. Below is my command:

rotuer(config-cmap)#match protocol ?


I have this problem too.
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n.nandrekar Thu, 06/12/2008 - 08:41


This would depend on what protocol you are using to share the data files. If you are using any of the peer-to-peer applications then you can match based on that protocol and include the regular expression to match the file name. the following link gives more details for such configuration :

So Nbar would help if you are using one of the applications like, Some of the applications that use Gnutella include:














to share the files. But if you are just using plane ftp / tftp then I dont think nbar can look into the filenames and classify.




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