Problem with adding switch to sFlow Trend

[Plamen Ivanov]

Hello all,

We planning to buy sFlow Trend Pro but I wants to test it first. So, I
install free version for test. I add several switches. But after
adding I see that before all switches red dot appear with message:
"Enable. Not receiving sFlow. Already in use." I looked for
explanation in support documentation. In Edit section of table with
switch agents I found that as Other owners is written IP address of
server on which I installed sFlow. On the same server is installed HP
ProCurve manager. Is it possible these two programs to interfere and
to cause such kind of problem? If it is, is there a way to solve it?

Thank you very much in advance.

[sgjohnston]

Plamen,

Some ProCurve switches (eg 5300, 3400 and 2800 series) only support
one sFlow collector, so if you are using these switches, then ProCurve
Manager will likely conflict with sFlowTrend. There are two ways round
this:

- You might be able to configure ProCurve Manager to stop sFlow
monitoring of the switch. I think that this is set up automatically,
and you then have to manually disable sFlow monitoring of that switch
in PCM to stop it. Sorry, I'm not sure of how you actually disable
this.

- There is a hidden setting in sFlowTrend that can also be used. This
basically forces sFlowTrend to overwrite the previous configuration in
the switch, and so overrides the PCM sFlow setting in the switch. To
try this, see the online help section
http://www.inmon.com/products/sFlowTrend/help/html/advanced.html#advanced.configuration.server.
Note that you need to create the config.prp file, as outlined at the
beginning of the page, then you need to add the setting

sFlowTrend.useForce = true

(see near the end of the help page). You will need to restart
sFlowTrend for this to take effect.

Another issue that can arise when using sFlowTrend and PCM on the same
system is a conflict over the sFlow UDP port. By default this is 6343,
and will be used by both products. To change it in sFlowTrend, use
Tools>Options>Advanced sFlow (see
http://www.inmon.com/products/sFlowTrend/help/html/configuration.options.html#configuration.options.advancedSFlow).

I hope this helps. Note that you can try the fully-featured sFlowTrend-
Pro at no cost for a month, if you register at www.myinmon.com, and
request an evaluation.

regards,
Stuart