> Source: [sk104438](https://support.checkpoint.com/results/sk/sk104438)

# sk104438 - SNMPv3 query on VSX Gateway with flag "-n ctxname_vsid<ID>" for OID 1.3.6.1.4.1.2620.1.16 does not return any answer

| Property | Value |
|----------|-------|
| Solution ID | sk104438 |
| Date Created | 2015-01-27 |
| Last Modified | 2015-02-02 |
| Technical Level | General |
| Products | Security Gateway, Hardware, Scalable Platforms |
| Versions | R82.10, R82, R81.20, Not Version-Specific, R82, R81.20 |
| OS | Gaia |
| Platform | 41000 (EOL) |

## Symptoms

- * SNMPv3 query on VSX Gateway *with* context flag "`-n ctxname_vsid<ID>`" for OID 1.3.6.1.4.1.2620.1.16 does not return any answer.

  Example:  
  `[Expert@HostName:0]# snmpwalk -n ctxname_vsid1 -v 3 -l authNoPriv -u <username> -A <password> localhost 1.3.6.1.4.1.2620.1.16`
* SNMPv3 query on VSX Gateway *without* context flag "`-n ctxname_vsid<ID>`" for OID 1.3.6.1.4.1.2620.1.16 returns correct answer.

  Example:  
  `[Expert@HostName:0]# snmpwalk -v 3 -l authNoPriv -u <username> -A <password> localhost 1.3.6.1.4.1.2620.1.16`

## Cause

OID tree 1.3.6.1.4.1.2620.1.16 should *not* be queried with the context flag "`-n ctxname_vsid<ID>`" as it already contains OIDs for each Virtual System.

The context flag "`-n ctxname_vsid<ID>`" should be used with any other OID (except OID tree 1.3.6.1.4.1.2620.1.16).

Example:  
`[Expert@HostName:0]# snmpwalk -n ctxname_vsid1 -v 3 -l authNoPriv -u <username> -A <password> ifDesc`

## Solution

No fix is required; the system is functioning as designed.

*** ** * ** ***

Related documentation:

* VSX Administration Guide ([R75.40VS](http://supportcontent.checkpoint.com/documentation_download?id=16383), [R76](http://supportcontent.checkpoint.com/documentation_download?id=22932), [R77](http://supportcontent.checkpoint.com/documentation_download?id=24802)) - Chapter 9 'Optimizing VSX' - SNMP Monitoring  

* [R75.40VS for 61000 Administration Guide](http://supportcontent.checkpoint.com/documentation_download?id=22941) - Chapter 2 'Monitoring and Information Gathering' - Other - Monitoring the System using SNMP - Enabling the SNMP Mode  

* [R75.40VS for 61000 Getting Started Guide](http://supportcontent.checkpoint.com/documentation_download?id=20444) - Monitoring and Configuration Commands - Monitoring the System using SNMP - SNMP in a VSX Gateway - Enabling the SNMP Mode  

* [R76SP Administration Guide](http://supportcontent.checkpoint.com/documentation_download?id=27964) - Chapter 1 'Working with System Status' - Other Monitoring Commands - Monitoring the System with SNMP - Enabling the SNMP Virtual System Mode  

* [R76SP for 61000 Getting Started Guide](http://supportcontent.checkpoint.com/documentation_download?id=27965) - Monitoring and Configuration Commands - Monitoring the System using SNMP - SNMP in a VSX Gateway - Enabling the SNMP Mode  

* [R76SP for 41000 Getting Started Guide](http://supportcontent.checkpoint.com/documentation_download?id=30857) - Monitoring and Configuration Commands - Monitoring the System using SNMP - SNMP in a VSX Gateway - Enabling the SNMP Mode  

* [R76SP.10 Administration Guide](http://supportcontent.checkpoint.com/documentation_download?id=36217) - Chapter 1 'Working with System Status' - Other Monitoring Commands - Monitoring the System with SNMP - Enabling the SNMP Virtual System Mode  

* [R76SP.10 for 61000 Getting Started Guide](https://sc1.checkpoint.com/documents/R76SP.10/CP_R76SP.10_for_61000_Security_System_Getting_Started_Guide/html_frameset.htm) - Monitoring and Configuration Commands - Monitoring the System using SNMP - SNMP in a VSX Gateway - Enabling the SNMP Mode  

* [R76SP.10 for 41000 Getting Started Guide](https://sc1.checkpoint.com/documents/R76SP.10/CP_R76SP.10_for_41000_Security_System_Getting_Started_Guide/html_frameset.htm) - Monitoring and Configuration Commands - Monitoring the System using SNMP - SNMP in a VSX Gateway - Enabling the SNMP Mode

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