To: | Tivoli NetView Discussions <nv-l@lists.ca.ibm.com> |
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Subject: | Re: [NV-L] NetView Discovery Issues |
From: | Leslie Clark <lclark@us.ibm.com> |
Date: | Thu, 4 Jan 2007 12:22:19 -0500 |
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I wonder if that trace means that the mask on that ip address is 0.0.0.0? That would be a hard one to make. What does the result of rnetstat -Ix show for that device? Cordially, Leslie A. Clark Detroit
Leslie, My seed file includes routers and switches. I ran ovobjprint and ovtopodump to search for the first 3 octects of the IP addresses. I turned netmon trace on with a -1 trace mask value. I've tried forcing NetView to discover these devices by doing an extended ping from the command line. Here's some output from netmon.trace: 14:49:27 : ./nl_pinger.c[1519] : revc_icmp: deleteMatchIp returns null! 14:49:23 : ./nl_hint.c[295] : Addhint(172.18.117.130,0.0.0.0) Best guess network is <null> 14:49:23 : ./nl_hint.c[306] : Addhint(172.18.117.130,0.0.0.0) rejected (no network for IP addr) 14:49:23 : ./nl_pinger.c[1559] : -> received unexpected ping, ident=8909 seq=33, from 172.18.117.130 I ran "ovtopofix -a" and have the rw map. I've done everything possible to get these devices discovered. What are your thoughts? Stephanie Leslie Clark <lclark@us.ibm.com> wrote: You don't even need SNMP access to get them discovered. So something more basic is wrong. Is this a Unix or a Windows server? Check these things: 1) If you are using a seedfile, does it exclude the range of addresses that you are trying to discover? 2) Have you tried putting the router and switch addresses in the seedfile? 3) Is the map you are looking for them in a r/w map up? 4) Are you sure they are not in there already, maybe on some other node than you expect? For that last one, try nvUtil e '("SNMP ipAddress" = "xx.xx.xx.xx")' 5) Remember that a range in the seedfile only allows discovery, it does not force discovery. If they are found in the arp cache of an existing device, and they are allowed by the seedfile, they should be discovered. 6) Be sure you are not discovering by a virtual address. Try using the loopback address of the device. To tell if you are using a virtual, try rnetstat -Ix xx.xx.xx.xx and check the output to see if that address is in the list of addresses on the device. If it is missing, Netview will discard the node. 7) If you have more than one map, and the things were previously discovered in one of them, they must be deleted from all maps before they can be rediscovered. 8) Do these commands to reorg things that might have gotten out of wack: ovstop netmon ovtopofix -a ovmapcount -a ovstart netmon close and open the map Cordially, Leslie A. Clark IT Services Specialist, Network Mgmt Information Technology Services Americas IBM Global Services (248) 552-4968 Voicemail, Fax, Pager
All, I have 2 routers and 2 switches on the same subnet which NetView 7.1.4 won't discover. Each device is reachable via Ping and each one responds to SNMP polls. Can someone let me know which MIB objects NetView reads and uses in order to add new subnets and /or devices? Thanks In Advance, Stephanie __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com _______________________________________________ NV-L mailing list NV-L@lists.ca.ibm.com Unsubscribe:NV-L-leave@lists.ca.ibm.com http://lists.ca.ibm.com/mailman/listinfo/nv-l (Browser access limited to internal IBM'ers only) _______________________________________________ NV-L mailing list NV-L@lists.ca.ibm.com Unsubscribe:NV-L-leave@lists.ca.ibm.com http://lists.ca.ibm.com/mailman/listinfo/nv-l (Browser access limited to internal IBM'ers only) __________________________________________________ _______________________________________________ NV-L mailing list NV-L@lists.ca.ibm.com Unsubscribe:NV-L-leave@lists.ca.ibm.com http://lists.ca.ibm.com/mailman/listinfo/nv-l (Browser access limited to internal IBM'ers only) |
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