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Re: [nv-l] PC becomes Router !!

To: nv-l@lists.us.ibm.com
Subject: Re: [nv-l] PC becomes Router !!
From: Paul <pstroud@bellsouth.net>
Date: Tue, 28 Jun 2005 12:43:04 -0400
Delivery-date: Tue, 28 Jun 2005 17:44:12 +0100
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In-reply-to: <42C16178.3020507@alcatel.fr>
References: <OF24FE92A3.5849CCDB-ON8625702E.00497C9E-8525702E.004A3BBE@us.ibm.com> <42C16178.3020507@alcatel.fr>
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In that case, I suggest you open a PMR.

Paul


Gildas.Plouzennec@alcatel.fr wrote:

To make a point on all your recommandations :
- the SNMP agent is enable on the PC windows,
- the ipforwarding is not set, neither via SNMP GET nor in the Windows registry
- snmpwalk <hostname> ,  that  works fine
- the oid type is not tag as a gateway or router in oid_to_type file
- I have restart the PC windows then restart a poll

all i have checked seem correct (SNMP at client side and on netview, network, windows, system, ...)

Gildas PLOUZENNEC



George deSocio wrote:


One more thing would be to run the snmpget I suggested. There can be a difference between what is set in the registry and what the agent sends in response to an snmp query. I have found that after setting the registry value one way or the other, a reboot was required to make the mib reflect the change in the registry. The reboot was my last resort after recycling everything I could think of, but it worked for me.

Regards,
Geo.

George deSocio
IBM Americas Support - Distributed Network Management
Dept 46-E1ZA
IBM B660  CC109
HWY 54 & 600 Park Offices
Research Triangle Park, NC  27709

919-254-2259 (T/L 444)  Fax: 919-543-7936 (T/L 441)

E-Mail:  desocio@us.ibm.com




*Gildas.Plouzennec@alcatel.fr*
Sent by: owner-nv-l@lists.us.ibm.com

06/28/2005 04:34 AM
Please respond to
nv-l


To
    nv-l@lists.us.ibm.com
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Subject
    Re: [nv-l] PC becomes Router !!







The ipForwarding value is "not forawarding" and the Windows Key
"IPEnableRouter"  is 0.

I have another PC with similar configuration but without this issue.
The main difference between both PC is the one with the problem is
hosted on a blade (in IBM blade center) and the other one is a server
hosted in a "standard" box.

Gildas PLOUZENNEC



George deSocio wrote:

>
> I believe if you use regedit and navigate to:
>
> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
>
> look for the value for IPEnableRouter;  1 means IP Forwarding is
> enabled;  if you issue the following, you can also see it:
>
> snmpget <hostname> ip.ipForwarding.0
>
>
>
> I have set this on before on machines with more than one nic card, but
> have not seen it get set by itself.
>
>
>
>
>
> Regards,
> Geo.
>
> George deSocio
> IBM Americas Support - Distributed Network Management
> Dept 46-E1ZA
> IBM B660  CC109
> HWY 54 & 600 Park Offices
> Research Triangle Park, NC  27709
>
> 919-254-2259 (T/L 444)  Fax: 919-543-7936 (T/L 441)
>
> E-Mail:  desocio@us.ibm.com
>
>
>
>
> *Leslie Clark/Southfield/IBM@IBMUS*
> Sent by: owner-nv-l@lists.us.ibm.com
>
> 06/27/2005 11:25 AM
> Please respond to
> nv-l
>
>
>                  > To
>                  nv-l@lists.us.ibm.com
> cc
>                  > Subject
>                  Re: [nv-l] PC becomes Router !!
>
>
>
>                  >
>
>
>
>
>
> Yes, it is normal. It usually means the ipforwarding is enabled
> between the interfaces on the server. If you do not want to see it at
> that level of the map, your best bet is to hide it from that submap.
> It will still show up in the segments on which it has interfaces.
>
> Cordially,
>
> Leslie A. Clark
> IBM Global Services - Systems Mgmt & Networking
> (248) 552-4968 Voicemail, Fax, Pager
>
>
> *Gildas.Plouzennec@alcatel.fr*
> Sent by: owner-nv-l@lists.us.ibm.com
>
> 06/27/2005 11:19 AM
> Please respond to
> nv-l
>
>                  > To
>                  nv-l@lists.us.ibm.com
> cc
>                  > Subject
>                  [nv-l] PC becomes Router !!
>
>
>
>
>                  >
>
>
>
>
>
> Hi all,
>
> my Netview is 7.1.3.
>
> On my network, a PC (W2K SP4) had one network interface in
> 192.168.80.x/24 and all was fine (trap well received, etc ..)
> Then I added on this PC a second network interface in 169.254.x.x/16.
> After a manual polling request, the second interface was discovered, and
> the object was added at the network level (in root submap), linked to
> the 2 IP network  (192.168.80.x/24 and 169.254.x.x/16) and in its
> properties : IPRouter, Node, Computer, Connector, Router, PC, IP.
> Before the add of the interface, the properties was :  Node, Computer,
> Connector, PC, IP.
> Note the icone used to display the PC is still the PC icone.
>
> Is it a normal behavior, I mean when a host have 2 interfaces on 2 IP
> networks, it is considered as a router ?
>
> thanks for your help.
>
> --
>
> Gildas
>
>
>
>
>




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