vwiki - User contributions [en-gb]

Talk:SNMP and PowerShell

2014-07-30T18:50:57Z

Tysonflint:

Question:

Hi there,

really useful info on getting PS to talk to SNMP, thanks.

One thing I can't figure out in your examples though:

'''PS C:\Users\simon\Documents\Scripts> . .\lib\SNMP-Funcs.ps1''' What does this line do? I can't find any reference to a script called SNMP-Funcs.ps1 elsewhere in the article.

I've followed your steps and everything *seems* to be working except I get no output when running the "get" and "walk" scripts and I suspect the above line my be the culprit!

Thanks in advance,

I.

----

Response:

OK, I realize no one has responded in a year, but perhaps someone will find this info useful...

The author is just using a different file name called '. .\lib\SNMP-Funcs.ps1' in his example.
It is the same as 'SNMP.ps1'

In the example below, BigDipper is my 'scripts' folder. I have a sub-folder under it called 'lib' with
SNMP.ps1 in it and a sub-folder under 'lib' called 'LexTmSharpSNMP' with 'SharpSnmpLib.dll' in it:

.\lib\snmp.ps1

.\lib\LexTmSharpSNMP\SharpSnmpLib.dll

Example:

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper> . .\lib\SNMP.ps1

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper> Load-SnmpAssembly | fl

CodeBase : file:///C:/users/tyson/Downloads/snmp/PowerShell/BigDipper/lib/LexTmSharpSNMP/SharpSnmpLib.dll
EntryPoint :
EscapedCodeBase : file:///C:/users/tyson/Downloads/snmp/PowerShell/BigDipper/lib/LexTmSharpSNMP/SharpSnmpLib.dll
FullName : SharpSnmpLib, Version=7.5.10510.1, Culture=neutral, PublicKeyToken=db32884da8b9d0dd
GlobalAssemblyCache : False
HostContext : 0
ImageFileMachine :
ImageRuntimeVersion : v2.0.50727
Location : C:\users\tyson\Downloads\snmp\PowerShell\BigDipper\lib\LexTmSharpSNMP\SharpSnmpLib.dll
ManifestModule : SharpSnmpLib.dll
MetadataToken :
PortableExecutableKind :
ReflectionOnly : False

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper> Invoke-SNMPget "192.168.1.154" ".1.3.6.1.4.1.318.1.1.4.4.2.1.3.1"

OID Data

--- ----

.1.3.6.1.4.1.318.1.1.4.4.2.1.3.1 1

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper>

The Wiki is pulling all my spaces out of the output between the final OID and the Data fields.
It's returning:

OID = .1.3.6.1.4.1.318.1.1.4.4.2.1.3.1

Data = 1

I hope these examples help others out.

-Tyson Flint

== Request for Invoke-SnmpSet ==

These scripts have been great in that I can now capture SNMP info into PowerShell objects.
It would be even a nicer tool if we could have an additional routine created for setting SNMP values.
I'm not strong in C#, but believe this reference could come in handy in writing the script:

http://help.sharpsnmp.com/html/M_Lextm_SharpSnmpLib_Messaging_Messenger_Set.htm

Thanks again for putting together these tools!

-Tyson Flint

Talk:SNMP and PowerShell

2014-07-30T18:49:50Z

Tysonflint: /* Request for Invoke-SnmpSet */

Question:

Hi there,

really useful info on getting PS to talk to SNMP, thanks.

One thing I can't figure out in your examples though:

'''PS C:\Users\simon\Documents\Scripts> . .\lib\SNMP-Funcs.ps1''' What does this line do? I can't find any reference to a script called SNMP-Funcs.ps1 elsewhere in the article.

I've followed your steps and everything *seems* to be working except I get no output when running the "get" and "walk" scripts and I suspect the above line my be the culprit!

Thanks in advance,

I.

----

Response:

OK, I realize no one has responded in a year, but perhaps someone will find this info useful...

The author is just using a different file name called '. .\lib\SNMP-Funcs.ps1' in his example.
It is the same as 'SNMP.ps1'

In the example below, BigDipper is my 'scripts' folder. I have a sub-folder under it called 'lib' with
SNMP.ps1 in it and a sub-folder under 'lib' called 'LexTmSharpSNMP' with 'SharpSnmpLib.dll' in it:

.\lib\snmp.ps1

.\lib\LexTmSharpSNMP\SharpSnmpLib.dll

Example:

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper> . .\lib\SNMP.ps1

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper> Load-SnmpAssembly | fl

CodeBase : file:///C:/users/tyson/Downloads/snmp/PowerShell/BigDipper/lib/LexTmSharpSNMP/SharpSnmpLib.dll
EntryPoint :
EscapedCodeBase : file:///C:/users/tyson/Downloads/snmp/PowerShell/BigDipper/lib/LexTmSharpSNMP/SharpSnmpLib.dll
FullName : SharpSnmpLib, Version=7.5.10510.1, Culture=neutral, PublicKeyToken=db32884da8b9d0dd
GlobalAssemblyCache : False
HostContext : 0
ImageFileMachine :
ImageRuntimeVersion : v2.0.50727
Location : C:\users\tyson\Downloads\snmp\PowerShell\BigDipper\lib\LexTmSharpSNMP\SharpSnmpLib.dll
ManifestModule : SharpSnmpLib.dll
MetadataToken :
PortableExecutableKind :
ReflectionOnly : False

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper> Invoke-SNMPget "192.168.1.154" ".1.3.6.1.4.1.318.1.1.4.4.2.1.3.1"

OID Data

--- ----

.1.3.6.1.4.1.318.1.1.4.4.2.1.3.1 1

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper>

The Wiki is pulling all my spaces out of the output between the final OID and the Data fields.
It's returning:

OID = .1.3.6.1.4.1.318.1.1.4.4.2.1.3.1

Data = 1

== Request for Invoke-SnmpSet ==

These scripts have been great in that I can now capture SNMP info into PowerShell objects.
It would be even a nicer tool if we could have an additional routine created for setting SNMP values.
I'm not strong in C#, but believe this reference could come in handy in writing the script:

http://help.sharpsnmp.com/html/M_Lextm_SharpSnmpLib_Messaging_Messenger_Set.htm

Thanks again for putting together these tools!

-Tyson Flint

Talk:SNMP and PowerShell

2014-07-30T18:49:13Z

Tysonflint: /* Request for Invoke-SnmpSet */ new section

Question:

Hi there,

really useful info on getting PS to talk to SNMP, thanks.

One thing I can't figure out in your examples though:

'''PS C:\Users\simon\Documents\Scripts> . .\lib\SNMP-Funcs.ps1''' What does this line do? I can't find any reference to a script called SNMP-Funcs.ps1 elsewhere in the article.

I've followed your steps and everything *seems* to be working except I get no output when running the "get" and "walk" scripts and I suspect the above line my be the culprit!

Thanks in advance,

I.

----

Response:

OK, I realize no one has responded in a year, but perhaps someone will find this info useful...

The author is just using a different file name called '. .\lib\SNMP-Funcs.ps1' in his example.
It is the same as 'SNMP.ps1'

In the example below, BigDipper is my 'scripts' folder. I have a sub-folder under it called 'lib' with
SNMP.ps1 in it and a sub-folder under 'lib' called 'LexTmSharpSNMP' with 'SharpSnmpLib.dll' in it:

.\lib\snmp.ps1

.\lib\LexTmSharpSNMP\SharpSnmpLib.dll

Example:

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper> . .\lib\SNMP.ps1

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper> Load-SnmpAssembly | fl

CodeBase : file:///C:/users/tyson/Downloads/snmp/PowerShell/BigDipper/lib/LexTmSharpSNMP/SharpSnmpLib.dll
EntryPoint :
EscapedCodeBase : file:///C:/users/tyson/Downloads/snmp/PowerShell/BigDipper/lib/LexTmSharpSNMP/SharpSnmpLib.dll
FullName : SharpSnmpLib, Version=7.5.10510.1, Culture=neutral, PublicKeyToken=db32884da8b9d0dd
GlobalAssemblyCache : False
HostContext : 0
ImageFileMachine :
ImageRuntimeVersion : v2.0.50727
Location : C:\users\tyson\Downloads\snmp\PowerShell\BigDipper\lib\LexTmSharpSNMP\SharpSnmpLib.dll
ManifestModule : SharpSnmpLib.dll
MetadataToken :
PortableExecutableKind :
ReflectionOnly : False

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper> Invoke-SNMPget "192.168.1.154" ".1.3.6.1.4.1.318.1.1.4.4.2.1.3.1"

OID Data

--- ----

.1.3.6.1.4.1.318.1.1.4.4.2.1.3.1 1

PS C:\users\tyson\Downloads\snmp\PowerShell\BigDipper>

The Wiki is pulling all my spaces out of the output between the final OID and the Data fields.
It's returning:

OID = .1.3.6.1.4.1.318.1.1.4.4.2.1.3.1

Data = 1

== Request for Invoke-SnmpSet ==

These scripts have been great in that I can now capture SNMP info into PowerShell objects.
It would be even a nicer tool if we could have an additional routine created for setting SNMP values.
I'm not strong in C#, but believe this reference could come in handy in writing the script:

http://help.sharpsnmp.com/html/M_Lextm_SharpSnmpLib_Messaging_Messenger_Set.htm

Thanks again for putting together these tools!

Talk:SNMP and PowerShell

2014-07-30T18:42:32Z

Tysonflint: The SNMP.PS1 download is the same file as seen in the example under the name SNMP-Funcs.ps1