System SNMP Error

eliassal · Post by **eliassal** » Sat Feb 26, 2022 4:19 am

I am trying to use SNMP V3 instead of V2. Issuing the following command from cacti box, I get an ouput

snmpget -v3 -l authNoPriv -u salam -a SHA -A "mypassword" 192.168.10.1 sysName.0
SNMPv2-MIB::sysName.0 = STRING: DrayTek

but when I configure cacti to use SNMPv3, in the log I get

2022-02-26 10:10:57 - CMDPHP PHP ERROR WARNING Backtrace: (/host.php[139]:api_device_ping_device(), /lib/api_device.php[1119]:cacti_snmp_session_get(), /lib/snmp.php[492]:SNMP->get(), CactiErrorHandler())
2022-02-26 10:10:57 - ERROR PHP WARNING: SNMP::get(): Fatal error: USM authentication failure (incorrect password or key) in file: /usr/share/cacti/lib/snmp.php on line: 492

and in the device panel I get

netniV · Post by **netniV** » Sat Feb 26, 2022 6:22 am

You may be trying to use the newer SNMP v3 with DH settings, not sure as I haven't used v3 much yet. There are some changes coming with the next patch release for v3 but I don't think they include DH yet. It is something one of our own testers flagged so work may yet be done on it.

eliassal · Post by **eliassal** » Sat Feb 26, 2022 7:48 am

Hhi netmiv, where I can find this " newer SNMP v3 with DH settings "?

netniV · Post by **netniV** » Mon Feb 28, 2022 7:31 am

DH hasn't been implemented yet. One of our guys has a need for it at his work so it may be something worked on in the next few months.

eliassal · Post by **eliassal** » Mon Feb 28, 2022 8:22 am

So SNMP v3 does not work yet in cacti? is tthis correct?

netniV · Post by **netniV** » Mon Feb 28, 2022 8:38 pm

SNMP v3 without DH should work, though I believe there are some upcoming changes to make it work better.

eliassal · Post by **eliassal** » Tue Mar 01, 2022 3:59 am

Can you please tell me what is DH? is it a plugin?
Anyway, with SNMP v2 and using spine as poller, nothing iss getting updated siince 1 week, only getting this in the log, no values

2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Context Switches] Graphs[salam7 - Context Switches] SNMP: v2: salam7, dsname: ssSysContext, oid: .1.3.6.1.4.1.2021.11.8.0, value:
2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Interrupts] Graphs[salam7 - Interrupts] SNMP: v2: salam7, dsname: ssSysInterrupts, oid: .1.3.6.1.4.1.2021.11.7.0, value:
2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - User] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuUser, oid: .1.3.6.1.4.1.2021.11.9.0, value:
2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - System] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuSystem, oid: .1.3.6.1.4.1.2021.11.10.0, value:
2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - Idle] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuIdle, oid: .1.3.6.1.4.1.2021.11.11.0, value:
2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Load Average - 5 Minute] Graphs[salam7 - Load Average] SNMP: v2: salam7, dsname: load_5min, oid: .1.3.6.1.4.1.2021.10.1.3.2, value:
2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Load Average - 15 Minute] Graphs[salam7 - Load Average] SNMP: v2: salam7, dsname: load_15min, oid: .1.3.6.1.4.1.2021.10.1.3.3, value:
2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Load Average - 1 Minute] Graphs[salam7 - Load Average] SNMP: v2: salam7, dsname: load_1min, oid: .1.3.6.1.4.1.2021.10.1.3.1, value:
2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Total] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_total, oid: .1.3.6.1.4.1.2021.4.5.0, value:
2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Free] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_free, oid: .1.3.6.1.4.1.2021.4.6.0, value:
2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Cache] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_cache, oid: .1.3.6.1.4.1.2021.4.15.0, value:
2022-03-01 09:55:04 - SPINE: Poller[Main Poller] PID[99517] PT[140016856716864] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Buffers] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_buffers, oid: .1.3.6.1.4.1.2021.4.14.0, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Context Switches] Graphs[salam7 - Context Switches] SNMP: v2: salam7, dsname: ssSysContext, oid: .1.3.6.1.4.1.2021.11.8.0, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Interrupts] Graphs[salam7 - Interrupts] SNMP: v2: salam7, dsname: ssSysInterrupts, oid: .1.3.6.1.4.1.2021.11.7.0, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - User] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuUser, oid: .1.3.6.1.4.1.2021.11.9.0, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - System] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuSystem, oid: .1.3.6.1.4.1.2021.11.10.0, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - Idle] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuIdle, oid: .1.3.6.1.4.1.2021.11.11.0, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Load Average - 5 Minute] Graphs[salam7 - Load Average] SNMP: v2: salam7, dsname: load_5min, oid: .1.3.6.1.4.1.2021.10.1.3.2, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Load Average - 15 Minute] Graphs[salam7 - Load Average] SNMP: v2: salam7, dsname: load_15min, oid: .1.3.6.1.4.1.2021.10.1.3.3, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Load Average - 1 Minute] Graphs[salam7 - Load Average] SNMP: v2: salam7, dsname: load_1min, oid: .1.3.6.1.4.1.2021.10.1.3.1, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Total] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_total, oid: .1.3.6.1.4.1.2021.4.5.0, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Free] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_free, oid: .1.3.6.1.4.1.2021.4.6.0, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Cache] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_cache, oid: .1.3.6.1.4.1.2021.4.15.0, value:
2022-03-01 09:50:03 - SPINE: Poller[Main Poller] PID[70234] PT[139863033476672] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Buffers] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_buffers, oid: .1.3.6.1.4.1.2021.4.14.0, value:
2022-03-01 09:45:06 - SPINE: Poller[Main Poller] PID[69638] PT[140437307983424] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Context Switches] Graphs[salam7 - Context Switches] SNMP: v2: salam7, dsname: ssSysContext, oid: .1.3.6.1.4.1.2021.11.8.0, value:
2022-03-01 09:45:06 - SPINE: Poller[Main Poller] PID[69638] PT[140437307983424] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Interrupts] Graphs[salam7 - Interrupts] SNMP: v2: salam7, dsname: ssSysInterrupts, oid: .1.3.6.1.4.1.2021.11.7.0, value:
2022-03-01 09:45:06 - SPINE: Poller[Main Poller] PID[69638] PT[140437307983424] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - User] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuUser, oid: .1.3.6.1.4.1.2021.11.9.0, value:
2022-03-01 09:45:06 - SPINE: Poller[Main Poller] PID[69638] PT[140437307983424] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - System] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuSystem, oid: .1.3.6.1.4.1.2021.11.10.0, value:
2022-03-01 09:45:06 - SPINE: Poller[Main Poller] PID[69638] PT[140437307983424] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - Idle] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuIdle, oid: .1.3.6.1.4.1.2021.11.11.0, value:

sbotnick · Post by **sbotnick** » Tue Mar 01, 2022 4:22 pm

Do an snmpget on the failed OIDs to see if the device is returning what you expect, that is the first step I'd take.

FWIW, I do use SNMPv3 private and authenticated, it has fully successful returns on internal networks, less so on external links, particularly those with high latency.

eliassal · Post by **eliassal** » Wed Mar 02, 2022 2:52 am

Doing

Code: Select all

snmpget -v 2c -c sierac salam7 1.3.6.1.4.1.2021.11.11.0

or

Code: Select all

snmpget -v 2c -c sierac salam7 .1.3.6.1.4.1.2021.11.11.0

returns

UCD-SNMP-MIB::ssCpuIdle.0 = No Such Object available on this agent at this OID

doing

Code: Select all

snmpwalk -Cc -On -v 2c -c sierac salam7 1.3.6.1.4.1

I get a lot of values.

But tell me, why I am getting those errors now and graphs are not getting updated whereas for almost 2 months it was working fine and graphs were shaoing great details. Nothing changed on my machine or router nor on the cacti fedora box

netniV · Post by **netniV** » Thu Mar 03, 2022 7:51 am

Check whether your device has had a firmware update? If so, ensure that SNMP is definitely still enabled because it sounds like one of two problems and it's not cacti's fault I suspect...

1. Your firmware is no longer supporting the return of the data you are requested.
or
2. Your firmware is now returning that data as part of a different set of OID's and therefore your template no longer works with it.

eliassal · Post by **eliassal** » Thu Mar 03, 2022 8:06 am

Firmware cant be updated as it is an old GigaByte motherboard, no firmware updates since 2017 so it is not really a firmware issue

netniV · Post by **netniV** » Fri Mar 04, 2022 8:02 pm

Then check whatever SNMP settings you can to ensure that you have the correct community/port/ip combination because it's not returning the data you're expecting. Either that or there's a firewall somewhere between the cacti process and the end point.

eliassal · Post by **eliassal** » Sat Mar 05, 2022 5:40 am

Dear netniV, SNMP V2 settings are all correct, otherwise snmpget or snpwalk won't work as well as in Cacti device manager. as you can notice in the snapshot all firewalls are disabled on the cacti box as well as on the win10 machine

eliassal · Post by **eliassal** » Sat Mar 05, 2022 5:43 am

All counters were working fine and graphs were updated correctly, nothing has changed not on the cacti box, nor on the win10 machine, still getting the following for basic counters

2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Context Switches] Graphs[salam7 - Context Switches] SNMP: v2: salam7, dsname: ssSysContext, oid: .1.3.6.1.4.1.2021.11.8.0, value:
2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Interrupts] Graphs[salam7 - Interrupts] SNMP: v2: salam7, dsname: ssSysInterrupts, oid: .1.3.6.1.4.1.2021.11.7.0, value:
2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - User] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuUser, oid: .1.3.6.1.4.1.2021.11.9.0, value:
2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - System] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuSystem, oid: .1.3.6.1.4.1.2021.11.10.0, value:
2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - CPU - Idle] Graphs[salam7 - CPU Utilization] SNMP: v2: salam7, dsname: ssCpuIdle, oid: .1.3.6.1.4.1.2021.11.11.0, value:
2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Load Average - 5 Minute] Graphs[salam7 - Load Average] SNMP: v2: salam7, dsname: load_5min, oid: .1.3.6.1.4.1.2021.10.1.3.2, value:
2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Load Average - 15 Minute] Graphs[salam7 - Load Average] SNMP: v2: salam7, dsname: load_15min, oid: .1.3.6.1.4.1.2021.10.1.3.3, value:
2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Load Average - 1 Minute] Graphs[salam7 - Load Average] SNMP: v2: salam7, dsname: load_1min, oid: .1.3.6.1.4.1.2021.10.1.3.1, value:
2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Total] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_total, oid: .1.3.6.1.4.1.2021.4.5.0, value:
2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Free] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_free, oid: .1.3.6.1.4.1.2021.4.6.0, value:
2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Cache] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_cache, oid: .1.3.6.1.4.1.2021.4.15.0, value:
2022-03-05 11:40:04 - SPINE: Poller[Main Poller] PID[2224810] PT[140476379776576] WARNING: Invalid Response, Device[salam7] HT[1] DS[salam7 - Memory - Buffers] Graphs[salam7 - Memory Usage] SNMP: v2: salam7, dsname: mem_buffers, oid: .1.3.6.1.4.1.2021.4.14.0, value:

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