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Confirming SNMP Connectivity to Remote devices

Adam_Annen
Community Manager

Confirming SNMP Connectivity to Remote devices

Description: A lot of our data sources are SNMP based and when initially setting them up for monitoring, if they do not show data, running the below snmpwalk with the same snmp credentials and settings as configured in Prognosis can help confirm connectivity and help you tweak your snmp settings on those devices so they respond to the commands. Support will regularly use this with you to troubleshoot. I have provided it here for the purpose of empowering users with this tool.

Below are some syntax examples for the snmpwalk.exe tool that exists in the C:\Prognosis\Server directory. We commonly use this to confirm connectivity.

Directions:
Open a command prompt on the "C:\Prognosis\Server" directory
Then formulate the snmpwalk command based on the syntax below:

SNMPv3 Examples:
Here is a completely unauthenticated request (which still needs a user name, none the less):
[Prognosis Home] \Server>snmpwalk -m ALL -v 3 -n “” -u USERNAME -l noAuthNoPriv 127.0.0.1

Here is a authenticated request:
[Prognosis Home] \Server>snmpwalk -m ALL -v 3 -n “” -u USERNAME -a MD5 -A “PASSPHRASE” -l authNoPriv 127.0.0.1

And finally, here is an authenticated and encrypted request:
[Prognosis Home] \Server>snmpwalk -m ALL -v 3 -n “” -u USERNAME -a MD5 -A “PASSPHRASE” -x DES -X “PASSPHRASE” -l authPriv 127.0.0.1

SNMPv2c Example:
[Prognosis Home] \Server>snmpwalk -m ALL -v 2c -c COMMUNITYSTRING 127.0.0.1

Be sure to put your ip and other values in place for
I.e.
Your IP instead of 127.0.0.1
Your PASSPHRASES and USERNAMES
Your COMMUNITYSTRING

See attached pic below for more syntax explanation:
snmpwalk1.JPG
1 REPLY 1
Anon
Community Manager

Re: Confirming SNMP Connectivity to Remote devices

SNMP connectivity can also be tested from Path Insight server using the PollDevice tool. Please see the attached screenshot.

PollDevice.jpg

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