Hi,
we have also this problem with those Cisco boxes. Pitty enough NetView
does not have a '-R' switch for netmon (as HP OpenView does) which tells it
not to look into routers' routing tables at all.
Bernard Baudoux
bernard.baudoux@fortisbank.com
> -----Original Message-----
> From: Mark H. Lewis [SMTP:MHLewis@DSTSYSTEMS.COM]
> Sent: maandag 10 januari 2000 14:41
> To: NV-L@UCSBVM.ucsb.edu
> Subject: Re: polling for default routing entries
>
> The Default is set to 800. we had to set this varible to 100 and we
> noticed
> a big difference.
> Mark Lewis
> Sr. Network Admin.
> DSTSYSTEMS INC.
> mhlewis@dstsystems.com
>
>
>
>
>
> Jeff Fitzwater <jfitz@PRINCETON.EDU> on 01/07/2000 02:08:23 PM
>
> Please respond to Discussion of IBM NetView and POLYCENTER Manager on
> NetView <NV-L@UCSBVM.UCSB.EDU>
>
> To: NV-L@UCSBVM.UCSB.EDU
> cc: (bcc: Mark H. Lewis/Winchester/DST/US)
>
> Subject: Re: polling for default routing entries
>
>
>
> See if the SNMP config has the same entry for number of routes to
> retrieve.
>
> Look at the bottom of the SNMP config GUI and you will see an entry
> point for how many routes to retrieve.
>
> I don't know what the default is but if you don't need all the route
> info limit it to around 200.
>
>
> Jeff Fitzwater
> CIT Systems & Networking
> Princeton University
>
>
> Sean Davidson wrote:
> >
> > I had a similar problem with NetView 5.1.1 pulling a 340000 entry ARP
> table
> > off one of my routers. CPU would spike at 100% with IP SNMP on the
> router
> > getting nearly all the CPU during that time frame. It would take NetView
> > over 45 min, using SNMP v1 to pull the ARP table entries off of that
> router.
> > Ended up doing an SNMP View command on the router to tell the router
> > not to allow anyone to pull his ARP table via SNMP.
> >
> > First thing I would check on the NetView systems is the entry for that
> > device in xnmsmpconf and see if they match.
> >
> > Don't know why two different NetView systems would get different results
> > when polling the router. You can try using iptrace to get a trace of
> both
> > systems demand polling the router and comparing the MIB variables that
> are
> > being polled.
> >
> > __________________________
> > Thanks,
> > Sean Davidson
> >
> > Sr. Network Systems Engineer
> > Publix Super Markets, Inc.
> > P.O. Box 32015
> > Lakeland, Fl. 33802-2015
> > Email - sean.davidson@publix.com
> > Voice - (863) 686-8754 x6889
> > Fax - (863)616-5895
> >
> > -----Original Message-----
> > From: Owens, Blaine C [mailto:bowens@EASTMAN.COM]
> > Sent: Friday, January 07, 2000 1:49 PM
> > To: NV-L@UCSBVM.ucsb.edu
> > Subject: Re: polling for default routing entries
> >
> > Gib, I'm afraid I was in a hurry and didn't read your original post
> close
> > enough. I was thinking of the difference between a production ROUTER
> with
> > large tables and a test ROUTER with small tables. I see now that you are
> > looking at the same router (same tables) with two different NetViews.
> >
> > Anybody with a clear head have any suggestions?
> >
> > Blaine Owens
> > Eastman Chemical Company
> > Phone - (423)-229-3579
> > Fax - (423)-229-1188
> > bowens@eastman.com
> >
> > > -----Original Message-----
> > > From: Fendrick, Gib (CC-MIS) [SMTP:Gib.Fendrick@CONAGRA.COM]
> > > Sent: Friday, January 07, 2000 1:30 PM
> > > To: NV-L@UCSBVM.ucsb.edu
> > > Subject: Re: polling for default routing entries
> > >
> > > Blaine,
> > > Any idea tho why the demand poll and load it puts on the router could
> > > be so different between the two NetView systems?
> > >
> > > Thanks,
> > > Gib Fendrick
> > > ConAgra, Inc.
> > >
> > > -----Original Message-----
> > > From: Owens, Blaine C [mailto:bowens@EASTMAN.COM]
> > > Sent: Friday, January 07, 2000 12:25 PM
> > > To: NV-L@UCSBVM.UCSB.EDU
> > > Subject: Re: polling for default routing entries
> > >
> > >
> > > You are innocent - I have found this behavior to be normal for our
> Cisco
> > > routers ( the larger the tables the greater the impact).
> > >
> > > Blaine Owens
> > > Eastman Chemical Company
> > > Phone - (423)-229-3579
> > > Fax - (423)-229-1188
> > > bowens@eastman.com
> > >
> > > > -----Original Message-----
> > > > From: Fendrick, Gib (CC-MIS) [SMTP:Gib.Fendrick@CONAGRA.COM]
> > > > Sent: Friday, January 07, 2000 1:13 PM
> > > > To: NV-L@UCSBVM.ucsb.edu
> > > > Subject: polling for default routing entries
> > > >
> > > > Hi all.
> > > >
> > > > I have two Netview/AIX 5.1.1 systems running (production and
> > > development).
> > > > When we do a Demand Poll on the prod system, it will take about 4
> > > minutes.
> > > > And the CPU on the router will shoot up to approx 60% during this
> time.
> > > > The Demand poll display spends most of this time on 'get default
> routing
> > > > entry'.
> > > >
> > > > When we do a Demand Poll on the development system, it takes about
> 15
> > > > seconds.
> > > > NO spike in CPU on the router. No waiting for 'get default routing
> > > > entry'.
> > > > (Actually spends most
> > > > of this time waiting to time out on an interface that's down).
> > > >
> > > > It seems to have something to do with the routing table, which on
> the
> > > > router
> > > > in question is about
> > > > 1500 route entries. Is there something we might have done that is
> > > > influencing how NetView retrieves
> > > > this table? I've check the SNMP Configuration with the GUI on both
> > > > systems, they are the same.
> > > >
> > > > Anyone have any suggestions?
> > > >
> > > > Thanks,
> > > > Gib Fendrick
> > > > ConAgra, Inc.
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