![]() It is quite a common error that the Mikrotik device is placed inside the network, without independent Internet access and a separate UPS. In case you want to use the e-mail alerts, you must consider the position of the Mikrotik device. Then you can make a trace of the link hiccups and network interruptions, which will give you the supporting evidence you need. This method can be used even when you need to troubleshoot your Internet link and your technical support is uncooperative. In many cases though, you will be fine with just the logging in the Mikrotik system log. When you are planning the alarming options, you should consider the importance of specific devices (or hosts) inside the network. For the last option, we need either Routerboard or PC with the USB port and a 3G USB modem. That action can contain writing to the Mikrotik system log, sending an alert e-mail or even an SMS message. As the Mikrotik scripting language is very powerful, we can perform multiple action on every event. Our actions on both up and down events can be conducted through Mikrotik scripts. Therefore, the terms host and device are used here interchangeably. Furthermore, any device on the TCP network is referred to as “the host”. Later on when I mention the Mikrotik, I will refer to the any Mikrotik device, either hardware or software, that is capable of performing this operation. When a host does not respond, it is considered to be down and we can act on that situation. Then the Mikrotik device will use the Netwatch service to then send ICMP packets (pings) to them. We need to define a list of all the hosts we want to monitor. The Netwatch service is very simple in essence. Hardware appliances have a distinct advantage over software solution they can tolerate wide range of the working temperatures and without having the moving parts they can last for years. Regardless of the platform, the RouterOS software is the same. ![]() We need either the Mikrotik Routerboard (hardware based) or x86 PC (software only solution). We can utilize the Netwatch service to check availability of the hosts inside the network. Mikrotik RouterOS includes some cool features. However, we can fulfill our goal in a simpler yet effective manner. We can use a full-scale network monitoring solution (NMS), like the Mikrotik Dude. Whether you are just an advanced user, system administrator or technical support engineer, knowing the status of all devices inside the network is necessary. ![]() Whenever you have a network with more than a few devices or more than a couple users, you will need to know more about the network health.
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