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List: opennms-discuss
Subject: Re: [opennms-discuss] "XOR" monitoring
From: Robert Drake <rdrake () direcpath ! com>
Date: 2016-01-27 2:32:03
Message-ID: 56A82C23.4090406 () direcpath ! com
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You can setup a transition threshold to watch for this. This is an
example I have for cisco supervisor switching. You might be able to set
both interfaces to not monitor but still collect values from them (if
you want to monitor utilization on them. The alternative to that is
monitoring the downstream interface). Then you might setup your
absoluteChange on the OID for the default gateway route. When that
changes from one IP to another you know the interface has changed.
<threshold type="absoluteChange" ds-type="node" value="1.0"
rearm="0.0" trigger="1" ds-label="Primary Supervisor"
triggeredUEI="uei.direcpath.com/threshold/node/cisco/redundancy/switchover"
filterOperator="or" ds-name="cRFStatusPUnitId"/>
<threshold type="absoluteChange" ds-type="node" value="-1.0"
rearm="0.0" trigger="1" ds-label="Primary Supervisor"
triggeredUEI="uei.direcpath.com/threshold/node/cisco/redundancy/switchover"
filterOperator="or" ds-name="cRFStatusPUnitId"/>
The OID for the default gateway should be ".1.3.6.1.2.1.4.21.1.7.0.0.0.0".
On 12/4/2015 2:48 AM, Mario Van den Brande wrote:
> Hi John,
>
> Thanks for the hint.
> Unfortunately in this case it is not possible.
> I talked to our network responsible and the device where I have to do
> this monitoring on, is a Sophos router where it seems it is not
> possible to have a loopback ip.
> In fact it is even more complicated as I understand now. On the router
> there is an MPLS link and a VPN link. Only 1 of 2 is active.
> If the MPLS link goes down the VPN link will become active. But while
> the MPLS link is not available the interface itself wil still be
> available. (And vica virsa)
>
> Anyway he will give me a script I can use to monitor this.
>
> Thanks,
> Mario
>
>
>
>
> >>> "John Blake" <jblake@us.ibm.com> 03/12/15 5:45 PM >>>
>
> Can you use a loopback interface on it?
> That way, if you couldnt reach that interface, then both interfaces
> are down or your routes are messed up.
>
>
>
> John
>
> -----"Mario Van den Brande" <mvandenbrande@vangenechten.com
> <mailto:mvandenbrande@vangenechten.com>> wrote: -----
> To: <opennms-discuss@lists.sourceforge.net
> <mailto:opennms-discuss@lists.sourceforge.net>>
> From: "Mario Van den Brande" <mvandenbrande@vangenechten.com
> <mailto:mvandenbrande@vangenechten.com>>
> Date: 12/03/2015 10:38AM
> Subject: [opennms-discuss] "XOR" monitoring
>
> Hi guys,
>
> I'm running OpenNMS 1.12.3 (should upgrade, I know...) on CentOS 6.5
>
> This is my problem:
>
> Lets say I want to monitor a device with 2 interfaces and only 1
> interface will be active.
> Lets say interface A is normally active and reachable and interface B
> is normally unreachable.
> If interface A gets unreachable, interface B will take over
> automatically. (by the way, they can't be active both at the same time)
>
> I only need an event if both interfaces are unreachable at the same
> time. If one of both is up, the device should be considered up.
>
> I use provisioning so I can add the device with both interfaces, but
> in this example the interface B will show as "not monitored".
>
> Is it possible to configure this in OpenNMS?
>
> rgds,
> Mario
>
>
>
>
>
>
>
>
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> ------------------------------------------------------------------------------
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> Give your users amazing mobile app experiences with Intel(R) XDK.
> Use one codebase in this all-in-one HTML5 development environment.
> Design, debug & build mobile apps & 2D/3D high-impact games for multiple OSs.
> http://pubads.g.doubleclick.net/gampad/clk?id=254741911&iu=/4140
>
>
> _______________________________________________
> Please read the OpenNMS Mailing List FAQ:
> http://www.opennms.org/index.php/Mailing_List_FAQ
>
> opennms-discuss mailing list
>
> To *unsubscribe* or change your subscription options, see the bottom of this page:
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</head>
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You can setup a transition threshold to watch for this. This is an
example I have for cisco supervisor switching. You might be able to
set both interfaces to not monitor but still collect values from
them (if you want to monitor utilization on them. The alternative
to that is monitoring the downstream interface). Then you might
setup your absoluteChange on the OID for the default gateway route.
When that changes from one IP to another you know the interface has
changed.<br>
<br>
<threshold type="absoluteChange" ds-type="node"
value="1.0"<br>
rearm="0.0" trigger="1" ds-label="Primary Supervisor"<br>
triggeredUEI="uei.direcpath.com/threshold/node/cisco/redundancy/switchover"<br>
filterOperator="or" ds-name="cRFStatusPUnitId"/><br>
<threshold type="absoluteChange" ds-type="node"
value="-1.0"<br>
rearm="0.0" trigger="1" ds-label="Primary Supervisor"<br>
triggeredUEI="uei.direcpath.com/threshold/node/cisco/redundancy/switchover"<br>
filterOperator="or" ds-name="cRFStatusPUnitId"/><br>
<br>
<br>
The OID for the default gateway should be
".1.3.6.1.2.1.4.21.1.7.0.0.0.0".<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 12/4/2015 2:48 AM, Mario Van den
Brande wrote:<br>
</div>
<blockquote
cite="mid:5661536B0200000C000B7588@gwia0301.priv.vangenechten.com"
type="cite">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
<meta name="Author" content="Novell GroupWise WebAccess">
<style type="text/css">
body p
{
margin: 0px;
}
</style>Hi John,<br>
<br>
Thanks for the hint.<br>
Unfortunately in this case it is not possible. <br>
I talked to our network responsible and the device where I have to
do this monitoring on, is a Sophos router where it seems it is not
possible to have a loopback ip.<br>
In fact it is even more complicated as I understand now. On the
router there is an MPLS link and a VPN link. Only 1 of 2 is
active.<br>
If the MPLS link goes down the VPN link will become active. But
while the MPLS link is not available the interface itself wil
still be available. (And vica virsa)<br>
<br>
Anyway he will give me a script I can use to monitor this.<br>
<br>
Thanks,<br>
Mario<br>
<br>
<div
id="GroupWiseSection_1449213738000_mvandenbrande@vangenechten.com_AAD807C018E200008F1F30C3AEF656D5_"
class="GroupWiseMessageBody">
<div><br>
</div>
<span> </span><span class="GroupwiseReplyHeader"><br>
<br>
>>> "John Blake" <a class="moz-txt-link-rfc2396E" \
href="mailto:jblake@us.ibm.com"><jblake@us.ibm.com></a> 03/12/15 5:45 PM \
>>><br> </span><font size="2" face="Default Sans
Serif,Verdana,Arial,Helvetica,sans-serif"> <br>
Can you use a loopback interface on it?<br>
That way, if you couldnt reach that interface, then both
interfaces are down or your routes are messed up.<br>
<br>
<br>
<br>
John<br>
<br>
<font color="#990099">-----"Mario Van den Brande" <<a
moz-do-not-send="true" target="_blank"
href="mailto:mvandenbrande@vangenechten.com"><a \
class="moz-txt-link-abbreviated" \
href="mailto:mvandenbrande@vangenechten.com">mvandenbrande@vangenechten.com</a></a>>
wrote: -----</font>
<div class="iNotesHistory" style="padding-left:5px;">
<div
style="padding-right:0px;padding-left:5px;border-left:solid
black 2px;">To: <<a moz-do-not-send="true"
target="_blank"
href="mailto:opennms-discuss@lists.sourceforge.net">opennms-discuss@lists.sourceforge.net</a>><br>
From: "Mario Van den Brande" <<a moz-do-not-send="true"
target="_blank"
href="mailto:mvandenbrande@vangenechten.com">mvandenbrande@vangenechten.com</a>><br>
Date: 12/03/2015 10:38AM<br>
Subject: [opennms-discuss] "XOR" monitoring<br>
<br>
<!--Notes ACF <meta http-equiv=Content-Type content="text/html; \
charset=utf8">-->Hi guys,<br>
<br>
I'm running OpenNMS 1.12.3 (should upgrade, I know...) on
CentOS 6.5<br>
<br>
This is my problem:<br>
<br>
Lets say I want to monitor a device with 2 interfaces and
only 1 interface will be active.<br>
Lets say interface A is normally active and reachable and
interface B is normally unreachable.<br>
If interface A gets unreachable, interface B will take
over automatically. (by the way, they can't be active both
at the same time)<br>
<br>
I only need an event if both interfaces are unreachable at
the same time. If one of both is up, the device should be
considered up.<br>
<br>
I use provisioning so I can add the device with both
interfaces, but in this example the interface B will show
as "not monitored".<br>
<br>
Is it possible to configure this in OpenNMS?<br>
<br>
rgds,<br>
Mario<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
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Privileged Confidential Information may be contained in
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notify the sender by reply email.<br>
Please advise immediately if you or your employer does
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<br>
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This message has been scanned for viruses and dangerous
content by <br>
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<div><font size="2" face="Courier \
New,Courier,monospace">------------------------------------------------------------------------------<br>
Go from Idea to Many App Stores Faster with Intel(R)
XDK<br>
Give your users amazing mobile app experiences with
Intel(R) XDK.<br>
Use one codebase in this all-in-one HTML5 development
environment.<br>
Design, debug & build mobile apps & 2D/3D
high-impact games for multiple OSs.<br>
<a moz-do-not-send="true"
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Privileged Confidential Information may be contained in this
message. If you are not the addressee indicated in this message
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Please advise immediately if you or your employer does not
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Opinions, conclusions and other information in this message that
do not relate to the official business of my firm shall be
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<pre wrap="">------------------------------------------------------------------------------
Go from Idea to Many App Stores Faster with Intel(R) XDK
Give your users amazing mobile app experiences with Intel(R) XDK.
Use one codebase in this all-in-one HTML5 development environment.
Design, debug & build mobile apps & 2D/3D high-impact games for multiple OSs.
<a class="moz-txt-link-freetext" \
href="http://pubads.g.doubleclick.net/gampad/clk?id=254741911&iu=/4140">http://pubads.g.doubleclick.net/gampad/clk?id=254741911&iu=/4140</a></pre>
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<pre wrap="">_______________________________________________
Please read the OpenNMS Mailing List FAQ:
<a class="moz-txt-link-freetext" \
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