Well, netmon is not my area, but I just asked the netmon owner whether the
process had changed in 7.1 and she says "No".
The values in ovtopodump don't come out of the sky. They come from the
xnmsnmpconf configuration. Or at least they are supposed to.
It is netmon who put them in the topology database you are reading with
ovtopodump. And it should be netmon who changes them.
What is supposed to happen is this. When you change values using
xnmsnmpconf, an internal trap is generated which causes netmon to do what
is called an SNMP fix up, where in he re-evaluates the settings for every
node and interface in the topology database. Of course, if you have a big
database, this can take awhile, and if we are talking seconds, there may
be a delay here. But if you do a netmon trace then you should be able to
see this fix up going on, though I am not about to try to tell anyone what
options to use on that trace to make it really readable. All I know is
that with netmon -M 31 you get the full trace and you should be able to
find the words "fix up" in it when this process occurs. If not, then
I'd call Support.
And it should not be necessary to delete and rediscover a node just to
force a change in the values either, though that would certainly do it.
You should be able to accomplish the same thing by unmanaging and
re-managing the node, since everything has to be reset for it at that
point. I would certainly try that first.
James Shanks
Level 3 Support for Tivoli NetView for UNIX and NT
Tivoli Software / IBM Software Group
"Barr, Scott" <Scott_Barr@csgsystems.com>
03/19/2002 02:38 PM
To: nv-l@lists.tivoli.com
cc:
Subject: RE: [nv-l] ping timeout in NV
The time out values are used from OVTOPODUMP not from XNMSNMPCONF (just
tested this the other day as Paul can attest)
Delete and rediscover the object after you have updated XNMSNMPCONF and
the
changes to the timeout/retries will be there.
-----Original Message-----
From: James Shanks [mailto:jshanks@us.ibm.com]
Sent: Tuesday, March 19, 2002 1:04 PM
To: nv-l@lists.tivoli.com
Subject: Re: [nv-l] ping timeout in NV
Am I sure? Yes. It has always been so and it is documented as such in
the books we ship.
xnmsnmpconf controls how often netmon status polls, which is by ping, as
well as how it does SNMP requests, for config checks.
We are talking about netmon's pings are we not? What did you change in
xnmsnmpconf?
The only thing I can think of is that is it may take a ping cycle to get
the values re-set. If netmon already has a ping cycle for this object
going, then that will have to expire first.
How are you determining that it is not working?
James Shanks
Level 3 Support for Tivoli NetView for UNIX and NT
Tivoli Software / IBM Software Group
Can Huynh <can_huynh@yahoo.com>
03/19/2002 01:28 PM
To: James Shanks/Raleigh/IBM@IBMUS
cc: nv-l@lists.tivoli.com
Subject: Re: [nv-l] ping timeout in NV
that's what I tried before sending the question. But
it did not have any effect. Are you sure the timeout
we specify in snmpconf is not just for snmp requests
and does not apply to the ping command?
Thanks
--- James Shanks <jshanks@us.ibm.com> a écrit : > This
is basic SNMP configuration. As I recall you
> are on UNIX. Use
> xnmsnmpconf from the command line.
>
> James Shanks
> Level 3 Support for Tivoli NetView for UNIX and NT
> Tivoli Software / IBM Software Group
>
>
>
>
>
>
> "can huynh" <can.huynh@sympatico.ca>
> 03/19/2002 04:07 PM
>
>
> To: <nv-l@lists.tivoli.com>
> cc:
> Subject: [nv-l] ping timeout in NV
>
>
>
> Hello,
> I am wondering if there is a way to set the timout
> for the ping command
> used by netmon to check the status of network
> equipments.
>
> We have the following problem.
> Our network is relatively slow these days and reply
> to ping can take
> several seconds.
>
> Netmon sometimes interpret that as an interface
> down. I just want to
> increase ping timout to say 5 seconds to prevent
> that.
>
> Is there a way?
>
>
>
>
>
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