How to monitor wifi network?

Question

System administration

Good evening.
A friend has his own business, he asked me to search the Internet for information about remote monitoring of WIFI networks
Is it possible to somehow remotely see what requests and where they go from the Wi-Fi network?
If possible, how is it implemented?

Answer 1

Hi,
Possibly if you have access to the WiFi equipment through which these requests go. You put a sniffer on the required interface and at least look at a bunch of bugs :-).

Answer 2

Hello.
In addition to the methods described, you can do the following, at the network level, using the Mikrotik router:
1). If possible, you need to reorganize the network - to separate the wired network from the wireless network by IP addresses. Access from one network to another is organized and regulated using a router (hardware, not software).
As an excellent router in the Price / Quality index, Mikrotik devices are suitable.
Connect a connection to an Internet provider to a separate port (s) of the router, connect a wired and wireless (Wi-Fi) network to a separate port (s).
2). Run a VPN server (L2TP, IPSec) on the Mikrotik router. This allows you to connect to the local network from outside, work in it, have access to internal resources, monitor the network, etc.
3). If the network uses a DHCP server (On Mikrotik), run a separate DHCP server on the wireless network.
Make an address list with all IP addresses of Wi-Fi devices and IP addresses (DHCP address pool) of received connected wireless users.
Run separate NAT for wired and wireless networks.
4). Label the packages described in 3). address lists and enter in the device LOG. Also log packets with NAT of the wireless network to the device LOG.
Now you can view Mikrotik logs online, for example, using the Winbox application,
or write the existing log to a text document and use, for example, the Notepad ++ application for ease of viewing.
If this is not enough, then install a PC on the wireless network and run a sniffer on it, or connect from the outside to the wireless network (point 2.) and sniff the network (IP addresses of the wireless network) from your working PC (laptop).