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Re: [nv-l] Interface down not receiving!

To: nv-l@lists.us.ibm.com
Subject: Re: [nv-l] Interface down not receiving!
From: Larry Fagan <larrytechie@yahoo.com>
Date: Thu, 10 Mar 2005 11:45:31 -0800 (PST)
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I'm sorry guys if i'm confusing you all.. But james it
is true.. 
I have a switch which is turned off and i have it as
green in map. But the ping/SNMP connectvity fails.
When i do demand poll from command line.. Out put is
below:
nmdemandpoll NETVC3111.uscom

14:35:53 ***** Starting demand poll of node
NETC3111.us.com *****
14:35:53     Interface 10.10.10.20(sc0) (currently up)
14:36:08   Interface 10.10.10.20(sc0) is in
UNREACHABLE region
14:36:08   Current polling parameters
14:36:08     scheduled configuration check at 03/12/05
10:30:51
14:36:08     scheduled new node poll at 03/10/05
14:48:42
14:36:08       auto-adjusted polling interval is 1620
seconds
14:36:08   Verify node name
14:36:08     node name verified to be NETVC3111.us.com
14:36:08 ***** End of demand poll for node
NETVC3111.us.com
..
What does this means by interface currently up..?
Switch is down... i can't ping from netview server as
well..
I did netmon -a 12 and then netmon -M 10 but first -a
option said in 20 sec but later -M 10 did not show up
in the netmon.trace at all..
Also i did delete this switch from Map and re
-discovered today but still the problem exists.. What
can i do now..?
Many Many Thanks,
Larry
--- James Shanks <jshanks@us.ibm.com> wrote:
> 
> 
> 
> 
> Larry,
> 
> I'm sure that I speak for others when I say that
> most of us are as confused
> as we can be about your description here.
> As I understand it, you have switch which is down
> but still it shows as
> green on the map.
> 
> OK, what happens when you select it on the map, pull
> down Test --> Demand
> Poll?  A little window should open to show you the
> results of that demand
> poll.  If the thing is really down, netmon should
> send the down trap, and
> ipmap should turn it red.    You can also do demand
> poll from the command
> line, if you want to capture the output.  The
> command is
>             /usr/OV/bin/nmdemandpoll   <fully
> qualified node name>
> Just re-direct the output to a file,
>             /usr/OV/bin/nmdemandpoll   <fully
> qualified node name>     >
> nmdemandpoll.out
> 
> On your second question, about "netmon -a 12", I'm
> confused as well.  How
> do you know that netmon is not polling this thing on
> the stated interval?
> Are you running a full netmon trace?   That's the
> only way to tell.    To
> do that you would issue
>             /usr/OV/bin/netmon -M <trace_mask>
> where the trace mask is a numeric value (you can see
> the possible values in
> the man page for netmon, "man netmon").
> But presumably, this switch is being polled by ICMP
> (ping), so you could
> just issue
>             /usr/OV/bin/netmon -M 2
> to see those pings and their replies.  If the thing
> is pooled only by SNMP,
> '-M 8' would show you those, and "netmon -M 10"
> would show both ICMP and
> SNMP requests and replies.  All this gets written to
> the netmon trace.   To
> stop the tracing, issue "netmon -M 0".  To run a
> full trace of absolutely
> everything netmon is doing, issue "netmon -M -1".  I
> don't recommend you
> trace it forever -- lots of overhead there - but if
> you want to do that you
> can set an option on the start up of the daemon
> using serversetup.
> 
> 
> The idea is that if "netmon -a 12" shows your switch
> scheduled for a poll
> in 88 seconds, then you'd issue one of those "netmon
> -M" commands, and
> after 88 seconds, go look at the netmon.trace file
> to see what happened.
> If you cannot interpret what you see, then a call to
> Support is in order so
> that a Level 2 specialist can help you figure it
> out.
> 
> James Shanks
> Level 3 Support  for Tivoli NetView for UNIX and
> Windows
> Tivoli Software / IBM Software Group
> 
> 

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