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тАО01-19-2009 07:00 AM
тАО01-19-2009 07:00 AM
What causes a cloud to appear in 3ND
When we do a network discovery we sometimes get clouds appearing in the map. What causes this and how do we resolve it ?
The Doc
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3 REPLIES 3
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тАО01-20-2009 01:13 PM
тАО01-20-2009 01:13 PM
Re: What causes a cloud to appear in 3ND
Hi PapaDoc,
From my understanding this behavior stems from 3ND not being able to communicate to the device(s) (Usually a switch.) correctly. Not having enough data results in the map not looking the way you might expect. You may be seeing clouds and orphand devices in the upper left corner of the map.
To help resolve this, I would do the following:
1) Make sure 3ND is up to date. 3.0 SP1 is the current version. 3ND requires periodic updates to add functionality for new devices.
2) Make sure SNMP is correctly set up on your device.
Example:
1) Configure SNMP community strings.
snmp-agent community read public
snmp-agent community read private
(Once you verify that this works, you may want to use different community strings.)
2) Configure SNMP version.
snmp-agent sys-info version all
Post a reply if you are still having problems!
Hiyah!
This message was edited by EthernetNinja on 1-20-09 @ 1:15 PM
From my understanding this behavior stems from 3ND not being able to communicate to the device(s) (Usually a switch.) correctly. Not having enough data results in the map not looking the way you might expect. You may be seeing clouds and orphand devices in the upper left corner of the map.
To help resolve this, I would do the following:
1) Make sure 3ND is up to date. 3.0 SP1 is the current version. 3ND requires periodic updates to add functionality for new devices.
2) Make sure SNMP is correctly set up on your device.
Example:
1) Configure SNMP community strings.
snmp-agent community read public
snmp-agent community read private
(Once you verify that this works, you may want to use different community strings.)
2) Configure SNMP version.
snmp-agent sys-info version all
Post a reply if you are still having problems!
Hiyah!
This message was edited by EthernetNinja on 1-20-09 @ 1:15 PM
Hiyah!
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тАО01-28-2009 05:28 AM
тАО01-28-2009 05:28 AM
Re: What causes a cloud to appear in 3ND
Hi Papadoc,
sometimes clouds appear in Network Director if the network topology is unstable. For example, there may be too frequent topology updates in a spanning tree environment.
Check your equipment's manual to find out how to display the list of mac addresses connected to the device. Take a few samples. If the list changes and there are frequent spanning tree topology changes, the network topology is unstable and you may have a device misconfiguration somewhere on your network.
sometimes clouds appear in Network Director if the network topology is unstable. For example, there may be too frequent topology updates in a spanning tree environment.
Check your equipment's manual to find out how to display the list of mac addresses connected to the device. Take a few samples. If the list changes and there are frequent spanning tree topology changes, the network topology is unstable and you may have a device misconfiguration somewhere on your network.
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тАО03-10-2009 09:16 AM
тАО03-10-2009 09:16 AM
Re: What causes a cloud to appear in 3ND
Hello, i have installed the 3ND 3.0 SP1. I have a 7903e chassis on my network. The 3ND find it but i can monitor it, i have the error message: "coulnd'nt find unit information to monitor the system". I can manage my 7903e with device manager. I also have a 7906e with i have no problem.
here is the end of the configuration :
snmp-agent
snmp-agent local-engineid 8000002B0300209C6B9193
snmp-agent community read public
snmp-agent community write privatechperpi
snmp-agent log all
snmp-agent sys-info version all
snmp-agent group v2c groupadmin ( i put that line manually)
snmp-agent target-host trap address udp-domain 10.70.70.70 params securityname monitor ( i put that line manually)
#
user-interface aux 0
authentication-mode password
set authentication password cipher SLX9J`\>C.>Y!U6L"B8W^Q!!
user-interface vty 0 4
user privilege level 3
set authentication password cipher SLX9J`\>C.>Y!U6L"B8W^Q!!
#
I used the debug function, here is the result:
0 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging config file: C:\Program Files\3Com\Network Director\diagnostic\logging_config.properties
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\discodbg.log
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\debug.html
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\NWTimingsDebug.log
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\NWRequestDebug.log
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\NWPDUDebug.log
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\add_device.log
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\mapdbg.log
1625 main ERROR com.coms.wsd.tns.server.trapmgr.TMTrapManager Failed to register for traps
76718 main ERROR com.coms.wsd.tns.server.framework.controller.CRController Error loading component: com.coms.wsd.tns.server.trapmgr.TMTrapManager
76718 main ERROR com.coms.wsd.tns.server.ipchange.ICIPConfigChange Failed to get Trap Manager component
77765 main ERROR com.coms.wsd.tns.server.device.traplogger.DeviceTrapEventLogger Failed to get Trap Manager component
87562 BT - ClientCmdQueue ERROR com.coms.wsd.tns.server.tools.reporter.SimpleTableInfo Could not construct column for table, class com.coms.wsd.tns.baseapipublic.reporter.columns.DeviceType
2677411 BT - ClientCmdQueue ERROR com.coms.wsd.tns.server.trapmgr.TMTrapManager Timed out waiting for trap provider disposal
2677411 Trap Manager Main ERROR com.coms.wsd.tns.server.trapmgr.TMTrapManager Timed out waiting for trap provider disposal
Anyone has an idea???
Thanks
here is the end of the configuration :
snmp-agent
snmp-agent local-engineid 8000002B0300209C6B9193
snmp-agent community read public
snmp-agent community write privatechperpi
snmp-agent log all
snmp-agent sys-info version all
snmp-agent group v2c groupadmin ( i put that line manually)
snmp-agent target-host trap address udp-domain 10.70.70.70 params securityname monitor ( i put that line manually)
#
user-interface aux 0
authentication-mode password
set authentication password cipher SLX9J`\>C.>Y!U6L"B8W^Q!!
user-interface vty 0 4
user privilege level 3
set authentication password cipher SLX9J`\>C.>Y!U6L"B8W^Q!!
#
I used the debug function, here is the result:
0 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging config file: C:\Program Files\3Com\Network Director\diagnostic\logging_config.properties
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\discodbg.log
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\debug.html
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\NWTimingsDebug.log
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\NWRequestDebug.log
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\NWPDUDebug.log
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\add_device.log
15 main INFO com.coms.wsd.tns.shelf.logging.LoggingConfigurator LoggingConfigurator: Logging to file: C:\Program Files\3Com\Network Director\bin\..\diagnostic\mapdbg.log
1625 main ERROR com.coms.wsd.tns.server.trapmgr.TMTrapManager Failed to register for traps
76718 main ERROR com.coms.wsd.tns.server.framework.controller.CRController Error loading component: com.coms.wsd.tns.server.trapmgr.TMTrapManager
76718 main ERROR com.coms.wsd.tns.server.ipchange.ICIPConfigChange Failed to get Trap Manager component
77765 main ERROR com.coms.wsd.tns.server.device.traplogger.DeviceTrapEventLogger Failed to get Trap Manager component
87562 BT - ClientCmdQueue ERROR com.coms.wsd.tns.server.tools.reporter.SimpleTableInfo Could not construct column for table, class com.coms.wsd.tns.baseapipublic.reporter.columns.DeviceType
2677411 BT - ClientCmdQueue ERROR com.coms.wsd.tns.server.trapmgr.TMTrapManager Timed out waiting for trap provider disposal
2677411 Trap Manager Main ERROR com.coms.wsd.tns.server.trapmgr.TMTrapManager Timed out waiting for trap provider disposal
Anyone has an idea???
Thanks
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