Netsight issue with access to the devices

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  • Updated 4 years ago
When I right-click a device in a device tree no context menu appears. I also get ERROR in a Current Link column whenever I try to poll interface summary flexview. In the inventory tab below there is a message saying that the user has no access to these devices, although SNMP contact is established to all of the devices. What could be the issue?
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Merdan

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Posted 4 years ago

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Yacobucci, Ryan, Multi-Tier Technical Support Engineer

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Hello,

It sounds like this may be an SNMP configuration issue on the switch itself. Can you show the output of a "show config snmp" and check to see if the user has the correct MIB view set for the access role of the SNMP group? 

For example: 

set snmp access ro security-model v1 exact read All notify All nonvolatile
set snmp view viewname All subtree 1

There may also be an SNMP viewname for subtree 0. 

The "All" strings in the snmp access line need to be an exact match (case sensitive) to the viewname that has been configured.

Thanks
-Ryan
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Merdan

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Hi Ryan,

First of all thank you for your reply. Below is the snmp config for the switches. As you can see the snmp access parameters are as in default snmp config. I had no problems managing these devices with this snmp config in Netsight before, but after a while I got the issue described above (None of the configurations were changed on both Netsight and switches). I even tried to connect the defaulted Enterasys switch to the network and access it via the default public access accounts and I still get that problem - the SNMP contact is established but I cannot poll any data, except device serial and system info. All strings in snmp access parameters match the viewname parameters. I tried to snmpwalk one of the switches from the Netsight server command line using the same snmp access credentials and I get the full MIB tree, so I believe that the access credentials are fine.

set snmp access ro security-model v1 exact read All notify All nonvolatile
set snmp access ro security-model v2c exact read All notify All nonvolatile
set snmp access public security-model v1 exact read All write All notify All nonvolatile
set snmp access public security-model v2c exact read All write All notify All nonvolatile
set snmp access public security-model usm exact read All write All notify All nonvolatile
set snmp community :3fb03022e4966512343b511c263dcf1240739359ec6cad7d8c6277007e7e0657521e0641967b150156:
set snmp group ro user ro security-model v1
set snmp group public user public security-model v1
set snmp group ro user ro security-model v2c
set snmp group public user public security-model v2c
set snmp group public user public security-model usm
set snmp notify TVInformTag tag TVInformTag inform
set snmp notify TVTrapTag tag TVTrapTag
set snmp targetaddr TVa720fcTV1public 10.114.0.252 param TV1public mask 0.0.0.0 taglist TVTrapTag nonVolatile
set snmp targetparams TV1public user public security-model v2c message-processing v2c noauthentication
set snmp user public authentication md5 :3e24b6180d8890caafe365b5ab0f1954: encryption des privacy :3e24b6180d8890caafe365b5ab0f1954:
set snmp view viewname All subtree 1

Thank you for your help.
Merdan
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Merdan

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And by the way, all the traps and syslogs work fine. They appear in Netsight.
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Yacobucci, Ryan, Multi-Tier Technical Support Engineer

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That all looks good. Can you right click the device and use MIB tools to try and pool a few OIDs? 

Are they successful?

Thanks
-Ryan
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Merdan

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Well, as I mentioned before when I right-click the device no menu appears and I cannot poll any info from the device. However, whenever I try to build a topology map, everything works fine, and all of the overlays work fine too, which means it does get data like STP and VLAN info from the device to build those maps. Any ideas?
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Yacobucci, Ryan, Multi-Tier Technical Support Engineer

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Hello,

If you go into tools --> Options --> Client Connections and enable SNMP redirection through the NetSight Server does it resolve the issue?

Thanks
-Ryan
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Merdan

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Dear Ryan,

I've tried that already - it didn't help. As far as I remember I first noticed the problem when I loaded netsight through ubuntu via IcedTea Java Launcher, but I don't see how it could mess everything up. And thank you again for your efforts.

Regards
Merdan
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Yacobucci, Ryan, Multi-Tier Technical Support Engineer

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Hello Merdan,

Would you be able to access console using a windows platform and the oracle Java platform? It should like there may be issues loading using the iced tea. Particularly because you can't right cick devices.

Thanks
-Ryan
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Merdan

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Hi Ryan,

I could access the console from windows platform before I tried IcedTea Java (Ubuntu) and everything worked fine. When I accessed console via IcedTead Java for the first time I've encountered this issue. Then I switched back to the windows platform client but the problem remained. Answering to your question - I can access the Netsight from Windows, but I cannot poll the devices in any way, except when using topology manager. Topology Manager works fine.

Regards,
Merdan
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Andrzej Jujka

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Hello
I had the same problem on MAC OS , when i downgrade to Java SE 6 everything worked fine.
Regards, Andrzej