> Source: [sk102287](https://support.checkpoint.com/results/sk/sk102287)

# sk102287 - SNMP query sent to Check Point machine from an external host either hangs, or fails with "connection timed out"

| Property | Value |
|----------|-------|
| Solution ID | sk102287 |
| Date Created | 2014-09-04 |
| Last Modified | 2014-09-11 |
| Technical Level | General |
| Products | Other |
| Versions | Not Version-Specific |

## Symptoms

- * SNMP query sent to Check Point machine from an external host (e.g. using the 'snmpwalk' / 'snmpbulkwalk' commands) either hangs, or fails with "connection timed out".

* Local SNMP query on the Check Point machine itself returns the expected output.

* SNMP query sent to Check Point machine from another Check Point machine with 'snmpwalk' command returns the expected output.

## Cause

In the specific case reported to Check Point: The version of NET-SNMP packages installed an external host is higher than the version of NET-SNMP packages installed on the Check Point machine, to which the SNMP Query is sent.

## Solution

In the specific case reported to Check Point, the end customer has uninstalled the existing version of NET-SNMP packages from his external host (running on a Linux OS) and installed the same version of NET-SNMP packages that is installed on the Check Point machine.

Note: The NET-SNMP packages for an external host were downloaded from *http://www.net-snmp.org/download.html*

To check the current version of NET-SNMP package on Check Point Gaia OS / SecurePlatform OS, and on a Linux OS, run one of the following commands:

* **`snmpwalk --version`**
* **`rpm -qa | grep snmp`**

*Examples from Check Point R77.20 Gaia OS:*

```
[Expert@R77-20-SA:0]# rpm -qa | grep snmp
net-snmp-5.4.2.1-18.cp990170001
net-snmp-libs-5.4.2.1-18.cp990170001
net-snmp-utils-5.4.2.1-18.cp990170001
[Expert@R77-20-SA:0]#

[Expert@R77-20-SA:0]# snmpwalk --version
NET-SNMP version: 5.4.2.1
[Expert@R77-20-SA:0]#
```

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