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Questions tagged [snmpv3]

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37 views

Switching APC rack PDU via SNMP

How can I switch the outlets of an APC Rack PDU (AP7920) via SNMP (Linux SNMP command tools like snmpget/snmpset) ? I can't find anything about it. I was able to walk it via: snmpwalk -v3 -a MD5 -A ...
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2answers
731 views

snmpwalk: Decryption error for APC Rack PDU

I have an APC Rack PDU (AP7920) and have configured: [x] Enable SNMPv3 access Username: switch Authentication Passphrase: test Privacy Passphrase: test Authentication Protocol: (o) MD5 Privacy ...
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0answers
69 views

Decrypting SNMP traffic on wireshark when using Net-SNMP as the SNMP manager

I am trying to figure out SNMPv3. How do you decrypt SNMP traps when using Net-SNMP as an SNMP manager? I'm running both Net-SNMP and Wireshark on Windows 10. I first tried to decrypt by entering ...
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0answers
79 views

How to monitor external port 161 on my router?

Port 161 on my (fairly old Ubee UVW3200) router is open. It seems to be a backdoor from the manufacturer. It is open in stealth. Starting Nmap 7.70 ( https://nmap.org ) at 2020-03-14 21:18 CET Nmap ...
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1answer
281 views

Is there any use case for SNMPv3 context for traps

let's say I want to send SNMP v3 trap/inform message to the manager. Usually I use USM SHA authorization with AES encryption. The command looks like: snmpinform -v 3 -e 0x111111111 -u myuser -a SHA -...
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259 views

Does my SNMP device just not support snmpbulkget?

I've got a Cyberpower 81002 PDU. It works well. In trying to get data from it using snmpget for multiple OIDs I would sometimes get: Error in packet Reason: (tooBig) Response message would have been ...
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1answer
633 views

Error when applying snmp.set --v3targets on vcenter 6.7U1

I have vcenter appliance 6.7U1 and I have successfully tested my SNMPv3 configuration on vcenter with paessler snmp tester, but the last step was to add a trap target. I am facing a strange issue ...
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1answer
6k views

SNMPv3 do not work in zabbix

If I run snmpwalk on the same machine of zabbix server I can collect data with SNMPv3 snmpwalk -v3 -u Usnmp -l AuthNoPriv -a MD5 -A 'AuthPass' 10.x.x.x .1.3.6.1.2.1.1.3.0 DISMAN-EVENT-MIB::...
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0answers
209 views

how to create Mib file in java.I googled for it but cant find anything helpful. I am using snm4j and snmp4j-agent libarraies

I googled for it but can't find anything helpful. I am using snm4j and snmp4j-agent libararies. //here is my sample oid final OID oid1 = new OID(".1.3.6.1.2.1.6666.2.2.2.1"); //while quering ...
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2answers
5k views

How to receive snmp v3 traps without specific enginedID?

I'm using snmptrapd on linux from net-snmp package. I'm trying to make some perl script to handle snmp traps. I'm already have such script and it works with snmp v1, v2c traps and with snmpv3 traps ...
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0answers
412 views

UC Davis (1.3.6.1.4.1.2021) MIBS not working with SNMPv3

I made a SNMPv3 setup in order to test how it can be integrated with some third party scripts. I need to use some of the MIBS from 1.3.6.1.4.1.2021 in order to do this but couldn't manage to ...
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0answers
1k views

check_snmp plugin on nagios returns: External command error: snmpget: Authentication failure (incorrect password, community or key)

I’m trying to check the uptime of a Cisco 2960X switch on Nagios with check_snmp plugin but I always get the following error: [root@nagios]# /usr/lib64/nagios/plugins/check_snmp -P 3 -U snmpv3user -L ...
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1answer
2k views

SNMPv3: Remote snmptrap engineID not found

I'm having trouble getting snmptrapd to accept remote SNMPv3 TRAP messages. Here's my simple snmptrapd.conf: root@snmptrapper:~# cat /tmp/testsnmptrapd.conf createUser -e ...
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0answers
475 views

Unable to log received SNMPv3 traps

I am sending snmpv3 traps out using app 'snmptrap' and not able to see the traps on trap-receiver side (snmptrapd) only for snmpv3-user whose security level is noAuthNoPriv . Below mentioned are my ...
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1answer
847 views

snmpv3 EngineID for Traps in net-snmp

I'm trying to collect simple logs from Cisco devices using netsnmp with SNMP v3. I can get the messages to appear in my snmptrapd, but I have to manually add the EngineID to for them to talk. E.g., ...