GRANDSTREAM GWN76XX Wi-Fi Access Points User Manual

GWN76XX Wi-Fi Access Points
User Manual

SUPPORTED MODELS

Table 1: Supported models

GWN7610
GWN7605 / GWN7605LR
GWN7615
GWN7602
GWN7630 / GWN7630LR

SUPPORTED SNMP VERSIONS

Table 2: Supported SNMP versions

SUPPORTED SNMP MESSAGES

Table 3: Supported SNMP messages

INTRODUCTION

SNMP (Simple Network Management Protocol) is an Internet-standard protocol for managing devices on IP networks. It is used mostly in network management systems to monitor IP network devices for conditions that warrant administrative attention. SNMP exposes management data in the form of variables on the managed systems, which describe the system configuration. These variables can then be queried (and sometimes set) by managing applications. The variables accessible via SNMP are organized in hierarchies, which are described by Management Information Bases (MIBs).
Three significant versions of SNMP have been developed and deployed. SNMPv1 is the original version of the protocol. More recent versions, SNMPv2c and SNMPv3, feature improvements in performance, flexibility, and security.
This guide will cover the configuration steps to enable and test the SNMP feature on GWN76xx Wi-Fi access points.

ENABLING SNMP FEATURE

Enable SNMPv1/SNMPv2c
Please refer to the below steps to enable SNMPv1, SNMPv2c in GWN76xx access points:

1. Access GWN76xx web GUI under Service ➔ SNMP.
2. Under SNMPv1, SNMPv2c, press on the “Enable” icon.
3. Enter the “Community String” (Should be the same asset in the NMS or SNMP testing tool). The default is “public”, but you can change it to any string you want.

Table 4: SNMPv1,SNMPv2 parameters description

SNMPv1, SNMPv2c

Enable| Enable SNMPv1, SNMPv2c
Community String| SNMP community

Enable SNMPv3

Please refer to the below steps to enable SNMPv3 in GWN76xx access points:

1. Access GWN76xx web GUI under Service ➔ SNMP.
2. Under SNMPv3, press on the “Enable” icon.
3. Fill in the SNMPv3 Username, in our example “test”
4. Set the other parameters for Authentication and Privacy. Please refer to the table in the next page for the description of the parameters.

Table 5: SNMPv3 parameters description

SNMPv3

Enable| Enable SNMPv3
Username| Username for SNMPv3
Authentication Mode| Select the Authentication Protocol:
• MD5
• SHA
The default setting is “MD5”.
Authentication| Enter the Authentication password (Must be at least 8 characters).
Privacy Mode| Select the Privacy Protocol:
• DES
• AES
The default setting is “DES”.
Privacy password| Enter the Privacy password. (Must be at least 8 characters).

TESTING SNMP FEATURE

After configuring SNMP on the GWN76xx access point, you can test SNMP using your enterprise monitoring system or a free SNMP test tool.
In this document, we will be using the “iReasoning MIB browser” which is an easy-to-use SNMP tester that has a Free and Professional paid version for SNMPv3.

You can follow the steps below in order to test SNMP using the iReasoning MIB Browser

1. Download MIB Browser Personal Edition from this link: http://ireasoning.com/download.shtml

2. Double click “setup.exe” to start the installation

3. Once the installation is done, the tool will be launched.

4. Click on “File” then “Load MIBs” in order to import the GWN76xx MIB.
   

5. Then enter the IP address of the GWN76xx access point in the Address tab as shown in the above
   screenshot, for our example, we are using a GWN76xx with the IP 192.168.5.179

6. Click on “Advanced…”
   • If SNMPv1 or SNMPv2c is selected, enter the Read Community (It should be the same as the “Community String” set on the GWN76xx)
   • If SNMP version 3 is selected, fill in the Username, and the Authentication, Privacy settings (These settings should be the same asset on the GWN76xx)

After configuring the parameters as shown in the above steps you can then start sending SNMP GET messages to the GWN76xx access point to retrieve information such as Device uptime, Firmware version, Model, etc..
The below screenshot is an example of SNMP responses received from the GWN76xx.

GWN76XX MIB REFERENCE

You can download the MIB for GWN76xx Wi-Fi access points from the below link: http://firmware.grandstream.com/GRANDSTREAM-GWN-MIB.my

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