From: Chris Lewis (chrlewiscsco@gmail.com)
Date: Fri Mar 31 2006 - 16:51:14 GMT-3
For a lab exam, it all comes down to wording, if it gives a file extension,
use URL, if it asks about anything embedded or of a specific type within a
file, use MIME. In the real world you should know what you want to match o.
Chris
On 3/31/06, Schulz, Dave <DSchulz@dpsciences.com> wrote:
>
>  Wouldn't that be only if the file is defined in the URL, right?  How
> would we then know if the question is referencing a MIME?
>
> Dave Schulz
> *** Sent from my Blackberry ***
>
>
> -----Original Message-----
> From: Chris Lewis <chrlewiscsco@gmail.com>
> To: Schulz, Dave <DSchulz@dpsciences.com>
> CC: Quetta Walla <quetta_1@lycos.com>; Mike Baily <mikebaily480@yahoo.com>;
> ccielab@groupstudy.com <ccielab@groupstudy.com>
> Sent: Fri Mar 31 09:04:58 2006
> Subject: Re: NBAR with URLs and MIME
>
> If a specific file is defined, you classify on that file and therefore use
> match protocol http URL.
>
> Chris
>
>
> On 3/30/06, Schulz, Dave <DSchulz@dpsciences.com> wrote:
>
>         Yes, this is always an elusive subject in the understanding...when
> the questions can ask many different things.  For example, limit the
> download of a specific file to a certain amount of bandwidth.  Is this a
> file type or a MIME.  So, when does a file type apply, or, a MIME?
>
>         Dave
>
>         ________________________________
>
>         From: nobody@groupstudy.com on behalf of Chris Lewis
>         Sent: Thu 3/30/2006 12:39 PM
>         To: Quetta Walla
>         Cc: Mike Baily; ccielab@groupstudy.com
>         Subject: Re: NBAR with URLs and MIME
>
>
>
>         Quetta,
>
>         This has been discused a few times on this list in the past. The
> bottom line
>         is that gif or jpeg can be either a mime type or a file extension.
> If the
>         classification includes a period, it infers a file extension is
> being
>         referenced, if a file type is referred to, it means a MIME type.
>
>         Hope this is clear.
>
>         Chris
>
>
>         On 3/30/06, Quetta Walla < quetta_1@lycos.com> wrote:
>         >
>         > Hey,
>         > Here is a site:
>         >
>
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121newft/121t
<
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121newft/121t
> >
>
>         /121t5/dtnbar.htm#xtocid259533
>         >
>         > Router(config)# class-map match-any web_images
>         > Router(config-cmap)# match protocol http url "*.gif"
>         > Router(config-cmap)# match protocol http url "*.jpg|*.jpeg"
>         >
>         > As you can see Cisco uses match pro http url for gif, gpg, and
> jpeg.
>         > I though jpeg and gif should come under mime type as they are
> mentioned on
>         > the iana site is mime types. And jpg is correctly match pro http
> url.
>         >
>         > Could some one please shed some light on why is Cisco not
> writing them as
>         > mime types. Or is it already on their errata page? :)
>         >
>         >
>         > > ----- Original Message -----
>         > > From: "Mike Baily" < mikebaily480@yahoo.com>
>         > > To: ccielab@groupstudy.com
>         > > Subject: NBAR with URLs and MIME
>         > > Date: Thu, 30 Mar 2006 08:31:01 -0800 (PST)
>         > >
>         > >
>         > > Does anyone have a good link to a page on how to configure
> NBAR
>         > > with URLs and MIME?  Or better yet, does anyone know where to
> find
>         > > it on cisco.com/univercd <http://cisco.com/univercd> ?  I
> searched for about 45 minutes and
>         > > couldn't find anything good.  Thanks
>         > >
>         > >
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