STORY of AODDY.

How to fix MAC Address with IP Address on DHCP server.

Today, I would like to monitor my internet network bandwidth. When my internet network is slow I often have questions from my boss “Why my internet network is slow, who are using a lot of internet bandwidth?”. I cannot answer these questions because I don’t have informations of current network status.

First step, I think I should know which IP Address is using a lot of internet bandwidth and second step I should know who is owner that IP Address.

The answer of the first step , I will use ntop software to answer this question. For the second step, I will fix all MAC Address of Laptop’s wireless card with IP Address on a DHCP Server. And this is my solutions :

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How to start DHCP service on OpenNMS server.

By default , you cannot start DHCP Service on OpenNMS server because OpenNMS server has installed DHCP client. If you want to start DHCP Server on same OpenNMS server , please stop DHCP client before.

These are steps :
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