Bullet M2 HP - Set Up Issues

I am a systems engineer, but I am cmpletely new to the world of Network Systems, and I ma having some confusionon the set up I am trying to achieve.

Basically I want to set up the bullet on OpenWRT, install tcpdump, enable monitor mode and connect it to Wireshark in order to use it as a "wifi sniffer" to check and monitor wifi signals.

I set it up throuhg the statis IP address, then I flash the OpenWRT FW image and I can access the LuCi GUI via the usual 192.168.1.1. an that's where it gets tricky.

I go to the System -> Software tab and I try to install the:

opkg update
opkg install tcpdump

however, I keep receiving errors, that I have connectivity issues and "Check your network settings and connectivity" is the error.

I then go into ssh and I ping google.com and the answer is it can't connect, I do the same on the GUI and same result.

I am not sure if I missed 1 or 100 steps, but long story short, I am stuck and cannot continue any further.

Can you please help me out?

Thanks!

reconfigure it to be a DHCP client instead.
or does the 192.168.1.1 IP work with your existing network ?

I can connect to 192.168.1.1 on the Luci GUI, but once I try to install packages it gives me those errors.

When you say "reconfigure it to be a DHCP client instead." it's on Network --> DHCP and DNS or something completely different?

network -> interfaces -> edit -> protocol -> DHCP.

then use the tiny arrow next to "save & apply", to "apply unchecked".

afterwards you'll have to look for the new IP it gets, on your main router.

Ok, thanks for the reply.

So right now the Interfaces shows a LAN with Static Address as a Protocol, should I modify this interface to DCHP client instead of Static Address or should I add a new Interface?

modify it.

Ok. Done, what's the next step?

like I said, apply unchecked.

OK, done and saved.

When you say " you'll have to look for the new IP it gets, on your main router." what that entails?

you have an existing network, right ?

if you connect the Bullet to it, it'll receive a new/different IP from the DHCP, you'll have to look the IP up on whatever device is hosting the DHCP.

Ok, yes, I have the Bullet connected to the computer via LAN (ethernet port) and PoE and then all connected via power source through the adaptor.

In order to connect the bullet to the exiting network on OpenWRT what are the necessary steps? I believe I am getting closer to the culprit of my ignorance.

the ones you just executed.

Ok, so then when you said "it'll receive a new/different IP from the DHCP, you'll have to look the IP up on whatever device is hosting the DHCP" it means that it had assigned automatically IP addresses to the Bullet, different from the IP address from the Wi-Fi router?
If so, do I need to make sure that they are the same?

EDIT:
I am asking because now when I try to run:

opkg update

it keeps telling me to check network and connectivity.

all IPs must be unique, that's why you need to look it up on the device assigning them. usually your home router, but we can't be sure, it's your network.

you must make sure they aren't, but the DHCP takes care of it for you.

if you're still able to communicate with it on the 192.168.1.1 IP, you haven't applied the changes .... ?

keep in mind the Bullet have to be connected to your main LAN; not your PC.

DLing will fail, as long as it is, it needs access to the internet, and your PC isn't a router.

I clicked on "apply unchecked" and then on "save", but once i refresh the page it goes back to the previous settings.

When you say "keep in mind the Bullet have to be connected to your main LAN; not your PC.

DLing will fail, as long as it is, it needs access to the internet, and your PC isn't a router."

Do I need to the connect the ethernet cable to one of the wifi router LAN ports?

If so how do I connect to the Bullet if it's not connected to the computer?

yes

by the IP your main router assigns to it.

ok, but then how do I access the Luci GUI if I am using a laptop that's connected to the internet via wi-fi and not via ethernet?

You know what I mean?

same, as if the client was wired, if it's the same router in both scenarios.

easy way is
1 reset the device to default if you changed things.
connect the cable from ubiquiti to your lan pc port
now in network interface lan change your ip address from 192.168.1.1 to something like 192.168.2.1.
now in wireless scan for network connect and it will work.

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