In line.
""Priscilla Oppenheimer"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> It's just a pod. There's no other word for it!? ;-)
Aren't they also called TAP's? (Used with Netscout/Cisco switch probes for
monitoring purposes) Or are they only for Serial lines? I must admit I've
only used the Serial line versions and not seen the ethernet version.
Perhaps they need a span port?
. It's a box about the
> size of a small notebook computer that inserts in-line on a UTP or fiber
> full-duplex link between switches, or between a switch and a server, so
you
> can capture both channels at once. Without a pod, to sniff on a
full-duplex
> link, you have to first set the ports to half-duplex and insert a hub and
> attach the analyzer to the hub. This affects performance and requires
> downtime while reconfiguring.
>
> You can leave these pods in place (if you have enough of them, and they
are
> expensive, so that's an issue.) Or you can quickly break a link and insert
> the pod before doing analysis.
>
> There are caveats, such as the ability to quickly overflow the analyzer's
> buffer. Frames can get out of order also. How well does the analyzer
> provide high-level info on sessions if clients are sending to the server
at
> essentially the same time the server is responding? What is the time
> resolution on the analyzer? Can it correctly time stamp client/server
> traffic that is happening essentially simultaneously?
>
> Priscilla
>
> At 12:56 PM 6/27/01, Jack Nalbandian wrote:
>
> >Wait, what device is the "thingie/podmaker"?
> >
> > Priscilla wrote:
> >
> > I just finished writing some information on pods in the protocol
> > analysis
> > world. In that case, a pod is an extra little thingie (technical
> > term) that
> > helps the analyzer get on the network. With full-duplex links,
> > for example,
> > if you don't want to break the link and put in a shared hub for
> > attaching
> > the analyzer, you can get a so-called pod that leaves the link
at
> > full-duplex traffic and buffers traffic before sending it to the
> > analyzer.
> > These pods are costly.
>
>
> ________________________
>
> Priscilla Oppenheimer
> http://www.priscilla.com
Message Posted at:
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