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SonicWALL Alerts

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For the last week or 2, several times a day I get a whole bunch of alerts from my SonicWALL NSA 3600. Alerts that my VPNs are down, X2(WAN) is down, X4(WLAN) is down, but none of them are down and I see no errors on the SonicWALL. I know I've changed nothing on my end. Any ideas or is anyone else seeing this?

prtg snmp sonicwall

Created on Dec 7, 2018 9:19:09 PM by  Mike (0) 1



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What actual alert messages do you get? The same message for all SNMP sensors of the device?


PRTG Scheduler | PRTGapi | Feature Requests | WMI Issues | SNMP Issues

Kind regards,
Stephan Linke, Tech Support Team

Created on Dec 10, 2018 11:26:27 AM by  Stephan Linke [Paessler Support]



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I'm getting SNMP error #-2003 with different error message details.

"No response (check: firewalls, routing, snmp settings of device, IPs, SNMP version, community, passwords etc) (SNMP error # -2003)"

"1 hour interval average of 8.33 kbit/s (Traffic In) is unusually low for this hour of the week (No response (check: firewalls, routing, snmp settings of device, IPs, SNMP version, community, passwords etc) (SNMP error # -2003))"

This started a few weeks ago. Not sure if it's an issue with a PRTG software upgrade or not. I've changed nothing on my end and the errors just started out of nowhere.

Created on Dec 10, 2018 2:07:08 PM by  Mike (0) 1



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This might be an issue with the appliance itself. Does this only apply to the interface sensors or others, such as SNMP Uptime as well? If not, please check the uptime using our SNMP Tester. If the query fails via the tool as well, check if there's a firmware update available or if a restart resolves the issue.


PRTG Scheduler | PRTGapi | Feature Requests | WMI Issues | SNMP Issues

Kind regards,
Stephan Linke, Tech Support Team

Created on Dec 10, 2018 7:43:59 PM by  Stephan Linke [Paessler Support]



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The SonicWALL has been up for 71 days. This issue only started in the last 30-35 days.

SNMP Tester worked fine for sysUpTimeInstance

----------------------- New Test -----------------------
Paessler SNMP Tester 5.2.3 Computername: Computer-DT Interface: (10.0.2.23, 172.17.77.65)
12/10/2018 2:49:39 PM (3 ms) : Device: 10.x.x.x
12/10/2018 2:49:39 PM (4 ms) : SNMP V2c
12/10/2018 2:49:39 PM (5 ms) : Uptime
12/10/2018 2:49:40 PM (1082 ms) : SNMP Datatype: ASN_TIMETICKS
12/10/2018 2:49:40 PM (1084 ms) : -------
12/10/2018 2:49:40 PM (1086 ms) : DISMAN-EVENT-MIB::sysUpTimeInstance = 619890536 ( 71 days )
12/10/2018 2:49:40 PM (1091 ms) : SNMP Datatype: SNMP_EXCEPTION_NOSUCHOBJECT
12/10/2018 2:49:40 PM (1093 ms) : HOST-RESOURCES-MIB::hrSystemUptime.0 = No such object (SNMP error # 222) ( 0 seconds )
12/10/2018 2:49:40 PM (1095 ms) : Done

Created on Dec 10, 2018 7:51:27 PM by  Mike (0) 1

Last change on Dec 10, 2018 7:54:40 PM by  Stephan Linke [Paessler Support]



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Sorry, I've expressed myself ambigously - does the uptime sensor work continuously opposed to the SNMP Traffic Sensor? Or does it error out as well? If so, when it errors in PRTG, are you able to query it via the SNMP Uptime Tester? Does the interface scan fail as well?


PRTG Scheduler | PRTGapi | Feature Requests | WMI Issues | SNMP Issues

Kind regards,
Stephan Linke, Tech Support Team

Created on Dec 10, 2018 8:00:50 PM by  Stephan Linke [Paessler Support]



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Ping, HTTP and HTTPS all stay up. If there was a way to post a screen shot here, I would.

X0(LAN), X2(WAN), X4(WLAN), SonicWall System Health and all VPN interfaces/sensors show down in PRTG while the other 3 (Ping, HTTP and HTTPS) remain up.

Created on Dec 10, 2018 8:52:31 PM by  Mike (0) 1



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All but Ping, HTTP and HTTPS are down right now in PRTG. I ran the SNMP Tester while these conditions were present. It is now NOT reporting Uptime.

12/10/2018 3:56:36 PM (4 ms) : SNMP V2c
12/10/2018 3:56:36 PM (5 ms) : Uptime
12/10/2018 3:56:38 PM (2010 ms) : SNMP Datatype: ASN_PRIMITIVE
12/10/2018 3:56:38 PM (2012 ms) : -------
12/10/2018 3:56:38 PM (2013 ms) : DISMAN-EVENT-MIB::sysUpTimeInstance = No response (check: firewalls, routing, snmp settings of device, IPs, SNMP version, community, passwords etc) (SNMP error # -2003) ( 0 seconds )
12/10/2018 3:56:40 PM (4026 ms) : SNMP Datatype: ASN_PRIMITIVE
12/10/2018 3:56:40 PM (4028 ms) : HOST-RESOURCES-MIB::hrSystemUptime.0 = No response (check: firewalls, routing, snmp settings of device, IPs, SNMP version, community, passwords etc) (SNMP error # -2003) ( 0 seconds )
12/10/2018 3:56:40 PM (4031 ms) : Done

Created on Dec 10, 2018 8:58:29 PM by  Mike (0) 1

Last change on Dec 10, 2018 9:17:49 PM by  Stephan Linke [Paessler Support]



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Hi Mike,

Then it's possibly a condition on the appliance. Please check for an update or restart it to see if either resolves the issue :)


PRTG Scheduler | PRTGapi | Feature Requests | WMI Issues | SNMP Issues

Kind regards,
Stephan Linke, Tech Support Team

Created on Dec 10, 2018 9:18:32 PM by  Stephan Linke [Paessler Support]



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I did not update or reboot the device, but did find a KB article by SonicWALL about the "No Response" or "SNMP Error # -2003"

https://www.sonicwall.com/en-us/support/knowledge-base/170505495768662

The device was currently in error and as soon as I changed the SNMP setting on the SonicWALL the errors resolved.

Created on Jan 4, 2019 2:52:56 PM by  Mike (0) 1



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Hi Mike,

Glad that the issue is resolved :)


PRTG Scheduler | PRTGapi | Feature Requests | WMI Issues | SNMP Issues

Kind regards,
Stephan Linke, Tech Support Team

Created on Jan 7, 2019 7:31:45 AM by  Stephan Linke [Paessler Support]



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