SNMPv3 Timeout

[danlogu]

Hello,

For the past few weeks, I have been trying to monitor Cisco Stealthwatch using Zabbix and SNMPv3. However, every time I add any node to Zabbix (Data Node, SMC, FC, FS), I get a timeout:

Here's what I have tried so far:

• Tested SNMP configuration using snmpwalk for all four nodes. They all worked correctly.
• Tested specific general SNMP OIDs on all nodes using snmpwalk and I have gotten information back, like OS and model.
• Tested different templates and parameters inside the GUI, but they were all unsuccessful.
• Used the command "zabbix_proxy -R snmp_cache_reload" to see if it was a problem with the engine ID.
• Both the proxy and the stealthwatch are inside the same subnet, they are able to correctly communicate with each other.
• Tried using SNMPv2 to create the host in Zabbix GUI and it works without any issue. However, I have to use SNMPv3 to enhace our network's security.

Any ideas? Thanks in advance!

Some images:

[markfree]

Is your host's SNMPv3 interface configured with a context name?
If you fill the context for a host that does not use it, Zabbix may fail to retrieve the data.
Often this context is not needed and may be empty. Check that out.

[Blevar]

You could try running:

snmpwalk -v3 -l authPriv -u <username> -a SHA -A "<auth_password>" -x AES -X "<priv_password>" 10.10.10.191 1.3.6.1.2.1.1.1.0

on zabbix server to check if everything is ok with connection.

[danlogu]

Hello, Bievar,

The connection is ok. We use the proxy to collect the information on that network and it is connected via VPN S2S to the server. The only one we are having troubles with is SNMPv3 of this host, as version 2 works fine.

[markfree]

Is your host's SNMPv3 interface configured with a context name?
If you fill the context for a host that does not use it, Zabbix may fail to retrieve the data.
Often this context is not needed and may be empty. Check that out.

[danlogu]

i hadn't thought of that before, but that solved the issue. Thank you so much for your help!